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Masterpact™ NT and NW

Universal Power Circuit Breakers

Catalog

0613CT0001 R05/14

2014

Class 0613

CONTENTS

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page

Masterpact™ Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3

Micrologic™ Electronic Trip Systems. . . . . . . . . . . . . . . . . . . . . . . . Page 19

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 37

Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 63

Masterpact NT Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . Page 69

Masterpact NW Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . Page 98

Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 154

Trip Curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 167

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Summary of content (180 pages)

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Masterpact™ NT and NW Universal Power Circuit Breakers Catalog 0613CT0001 R05/14 2014 Class 0613 CONTENTS Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page Masterpact™ Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3 Micrologic™ Electronic Trip Systems . . . . . . . . . . . . . . . . . . . . . . . . Page 19 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Section 1—Masterpact™ Circuit Breakers INTRODUCTION ............................................................................................................................................ 4 CODES AND STANDARDS ........................................................................................................................... 4 FEATURES AND BENEFITS ................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Introduction Masterpact NT/NW Universal Power Circuit Breakers are designed to protect electrical systems from damage caused by overloads, short circuits and equipment ground faults. All Masterpact circuit breakers are designed to open and close a circuit manually, and to open the circuit automatically at a predetermined overcurrent setting.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers UL File Numbers: • • Masterpact NW: E161835 Vol. 2 Sec. 1 Masterpact NT: E161835 Vol. 2 Sec. 2 Features and Benefits High Ampere Interrupting Rating (AIR): ANSI Certified Masterpact NW circuit breakers have an interrupting rating of 200,000 A at 508 Vac without fuses. High Short-Time Current Rating: Masterpact NW circuit breakers have exceptional short-time ratings—up to 100,000 A.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Disconnection Through the Front Door: The racking handle and racking mechanism are accessible through the front door cutout. Disconnecting the circuit breaker is possible without opening the door and exposing live parts.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Reduced Maintenance: Under normal operating conditions, the circuit breaker does not require maintenance. However, if maintenance or inspection is necessary, the arc chambers are easily removed so you may visually inspect the contacts and wear indicator groove (see the figure below for how wear is indicated). The operation counter can also indicate when inspections and possible maintenance should be done.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Operating Conditions See bulletin 0613IB1202, available in the Schneider Electric technical library, for information on normal and adverse operating conditions. Ambient Temperature: Masterpact circuit breakers can operate under the following temperature conditions: • The electrical and mechanical characteristics are stipulated for an ambient temperature between -13°F (-25°C) and 158°F (70°C).
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Masterpact NW Circuit Breaker Design NOTE: For UL Listed and ANSI Certified circuit breakers, the clusters are mounted on the circuit breaker; for IEC Rated circuit breakers, the clusters are mounted on the cradle.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Masterpact NW with ArcBlok™ Technology The Masterpact NW low-voltage power circuit breaker and insulated case circuit breaker are available with ArcBlok technology designed to mount in an ArcBlok drawout cradle. The Masterpact NW with ArcBlok technology interfaces with the ArcBlok cradle to prevent arcing events by enclosing the phases at the primary connection of the cradle.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Masterpact NT Circuit Breaker and Cradle Design Terminal Cover Lifting Handle Padlock Provision Position Indicator Racking Handle Insertion Opening Stop Release Button Racking Handle Storage Space Accessory Cover Charging Handle Extension Rail Handle Lifting Tab NT Cradle Fault Trip Reset Button "Push-to-close" Button "Push-to-open" Button Trip Unit Faceplate NT Drawout Circuit Breaker 12 05/2014 ™ © 2000–2014 Sc
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Ratings Table 1: Ratings for ANSI C37 Certified Masterpact NW Circuit Breakers Frame Rating 800/1600 A Interrupting Rating Code N1 H1 H2 H3 254 Vac 50/60 Hz 42 65 85 100 200 200 508 Vac 50/60 Hz 42 65 85 100 200 635 Vac 50/60 Hz 42 65 85 85 130 30 Interrupting Current (kAIR) 3200/4000 A1 2000 A L13, 4 L1F4 H1 L13, 4 L1F4 H1 4000/5000/6000 A2 H2 H3 H3 L13, 4 65 85 100 200 85 100 200 200
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Table 4: Ratings for UL 489 Listed Masterpact NW Circuit Breakers Frame Rating 800/1200/1600/2000 A Interrupting Rating Code N H L LF H L H L 240 Vac 50/60 Hz 65 100 200 200 100 200 100 200 480 Vac 50/60 Hz 65 100 150 150 100 150 100 150 600 Vac 50/60 Hz 50 85 100 100 85 100 85 100 Vac 50/60 Hz, 0.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Table 6: Ratings for IEC 60947-2 Rated Masterpact NW Circuit Breakers Frame Rating 800/1000/1250/1600 A Interrupting Rating Code N1 H1 H2 L1 H10 N1 H1 H2 H3 L1 H10 H1 H2 H3 H10 H1 H2 220/415 Vac 42 65 100 150 — 42 65 100 150 150 — 65 100 150 — 100 150 440 Vac 42 65 100 150 — 42 65 100 150 150 — 65 100 150 — 100 150 525 Vac 42 65 85 130 — 42 65 85 130 130 —
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Table 8: Ratings for ANSI C37 Certified Masterpact NT Circuit Breakers Frame Rating 800 A Interrupting Rating Code N1 Interrupting Current (kAIR) Short-Time Withstand Current (kA) 254 Vac 60 Hz 42 508 Vac 60 Hz 42 635 Vac 60 Hz N/A ac 60 Hz, 0.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Table 12: Ratings for IEC 60947-2 Rated Masterpact NT Circuit Breakers Frame Rating 800/1000 A Interrupting Rating Code H1 H2 L1 H1 H2 220/415 Vac, 50/60 Hz 42 50 150 42 50 440 Vac, 50/60 Hz 42 50 130 42 50 525 Vac, 50/60 Hz 42 42 100 42 42 690 Vac, 50/60 Hz 42 42 25 42 42 1000 Vac, 50/60 Hz — — — — — Ultimate Breaking Capacity (kA) Icu 1250/1600 A Service Breaking Capacity (kA) Ic
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact™ Circuit Breakers Shipping Weights Table 16: Shipping Weights for UL Listed/ANSI Certified Masterpact NW Circuit Breakers 1 Circuit Breaker Rating Circuit Breaker (lb/kg) Cradle (lb/kg) (A) 3P 4P 3P 4P Connector Type and Weight (lb/kg) Pallet (lb/kg) Type 3P 4P 800 FCF 42/19 55/25 17/8 265/121 320/151 FCT 84/38 109/50 17/8 307/140 384/176 1600 109/50 142/65 97/44 116/53 Total Weight (lb/kg) 3P 4P 2000 RCTH or RCTV 1
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Section 2—Micrologic™ Electronic Trip Systems OVERVIEW OF MICROLOGIC TRIP SYSTEMS ........................................................................................ 20 Thermal Imaging .................................................................................................................................... 20 True RMS Current Sensing .....................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Overview of Micrologic Trip Systems Model Basic Trip Unit A Trip Unit P Trip Unit H Trip Unit LS0 LI LSI LSIG Long-Time + Short-Time + Zero Delay Long-Time + Instantaneous Protection Long-Time + Short-Time Long-Time + Short-Time + Instantaneous + Instantaneous Protection + Equipment Protection Ground-Fault Protection (IEC Rated) (UL Listed and ANSI Certified) (UL LIsted, ANSI Certified, IEC Rated) (UL LI
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Power Supply Information Ammeter (A) Trip Unit Without 24 Vdc Power Supply at F1 and F2 Sensor Plug Value (In) Minimum GroundFault Pickup 100–250 A 30% of sensor rating 400–1200 A 20% of sensor rating 1600–6300 A 500 A • • • Provides fault protection for LSIG functions • Ground-fault push-to-trip button works for testing ground fault with current flow on one phase greater than or equal to the values shown
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic Trip Units–Overview True RMS Current Sensing The sensing system responds to the flow of current through the circuit breaker. Electronic trip circuit breakers are limited to ac systems because the electronic trip system uses current transformers to sense the current.The Micrologic trip unit samples the current waveform to provide true RMS protection through the 15th harmonic.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Table 20: Micrologic Trip Unit Features Micrologic Trip Unit (X = Standard Feature O = Available Option) Standard Feature 2.0 LI Ammeter 3.0 5.0 2.0A X LS0 Power 3.0A 5.0A 6.0A 5.0P Harmonics 6.0P 5.0H 6.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic 2.0, 3.0, and 5.0 Basic Trip Units The Micrologic 2.0, 3.0, and 5.0 trip units protect power circuits. Protection Settings 1 1—Overload signal (LED) 2—Long-time rating plug screw 3 2 • 3—Long-time current setting and tripping delay 4—Instantaneous pickup Protection thresholds and delays are set using the rotary switches.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic 2.0A, 3.0A, 5.0A, & 6.0A Trip Units with Ammeter Micrologic A trip units protect power circuits and provide current measurements, overload protection, and short-circuit protection. In addition, the 6.0A trip units also provide ground-fault protection for equipment.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Table 23: t Ir Long-Time Protection tr Ii 0 Micrologic 2.0A and 3.0A Trip Unit Settings 2.0A: 0.40 0.50 0.60 0.70 0.80 0.90 0.95 0.98 1.00 3.0A: 0.40 0.45 0.50 0.60 0.63 0.70 0.80 0.90 1.00 Current Setting (A) Tripping Between 1.05 and 1.20 x Ir Ir = ln x... tr at 1.5 x Ir 12.5 25 50 100 200 300 400 500 Time Delay (s) Accuracy: 0 to –20% tr at 6 x Ir 0.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic 5.0P & 6.0P Trip Units with Power Metering Protection Settings The adjustable protection functions of the 5.0P and 6.0P trip units are identical to those of Micrologic A trip unit (overloads, short circuits, equipment ground-fault protection); see page 25.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Load Shedding and Reconnection Parameters Load shedding and reconnection parameters can be set according to the power or the current flowing through the circuit breaker. Load shedding is carried out by a remote computer via the communication network or by an M2C or M6C programmable contact.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Table 29: Load-Shedding Settings for Current and Power Metering for Micrologic 5.0P and 6.0P Trip Units Pick-Up Threshold Drop-Out Time Delay Threshold Time Delay Current I 0.5 to 1.0 x Ir per phase 20% to 80% x tr 0.3 to 1.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Metering The Micrologic P trip unit calculates in real time all electrical values V, A, W, VAR, VA, Wh, VARh, VAh, Hz, power factor, and crest factor. The Micrologic P trip unit also calculates demand current and demand power over an adjustable time period. Real-Time Metering: The value displayed on the screen is refreshed every second. Minimum and maximum measurement values are stored in memory.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic 5.0H & 6.0H Trip Units with Harmonic Metering In addition to the P functions, the Micrologic H trip units offer: • • • • In-depth analysis of power quality including calculation of harmonics and the fundamentals. Diagnostics aid and event analysis through waveform capture. Customized alarm programming to analyze and track down a disturbance on the ac power system.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Waveforms may be displayed on the graphic screen of Micrologic H trip units or communicated over a networked system. The recording takes place over one cycle with a measurement range of 0 to 1.5 IN for current and 0 to 690 volts for voltage. The resolution is 64 points per cycle. Customized Alarm Programming The instantaneous value of each measurement can be compared to user-set high and low thresholds.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Micrologic Trip Unit Functions Long-Time Trip Functions The long-time pickup switch sets the maximum current level the circuit breaker will carry continuously. The maximum current level (Ir) is the longtime pickup setting multiplied by the sensor plug amperage (In). If the current exceeds this value for longer than the long-time delay time, the circuit breaker will trip.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Communication Network Masterpact NW/NT circuit breaker, and Micrologic trip unit information is available via a Modbus network to Powerlogic™ System Manager™ software (SMS) or other applications for reporting and recording. Information available includes: • • • • Circuit breaker identification and status. Remote control of circuit breaker operation. View and set protection function parameters.
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Modbus Cradle Communication Module (CCM) Cradle Communication Module (CCM) The optional Modbus cradle communication module (CCM) is installed adjacent to the circuit breaker cradle and is the gateway between the Modbus network and the Modbus BCM. The Modbus CCM provides circuit breaker cradle status including connected position (CE), disconnected position (CD) and test position (CT).
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Masterpact™ NT and NW Universal Power Circuit Breakers Micrologic™ Electronic Trip Systems Powerlogic System System Manager, used for power systems and energy management, provides the human-machine interface (HMI) for electrical system information on a PC: • • • • • Screens including real-time readings, breaker status and remote control operation. Tables displaying real-time readings, maintenance information and date and time of last operation. Waveform captures including harmonic content.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Section 3—Accessories OPTIONS FOR REMOTE OPERATION ...................................................................................................... 38 REMOTE OPERATION ACCESSORIES ..................................................................................................... 38 Terminals ...............................................................................................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Options for Remote Operation Two options are available for remote operation of Masterpact™ circuit breakers: direct connection or a communication network. NOTE: When remote operation features are used, a minimum of four seconds is required for the spring charging motor (MCH) to completely charge the circuit breaker closing springs prior to actuating the shunt close (XF) device. The wiring diagrams for these two options are shown below.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Terminals Table 31: Terminal Characteristics Standards UL 486E Termination Capacity 22–14 AWG solid or stranded wire with max. O.D. of insulation 3.5 mm Current Nominal Minimum 10 A 100mA at 24 V Terminal 22 AWG = 4.5 lbs (20 N) 20 AWG = 6.75 lbs (30 N) Pull-Out Forces 18 AWG = 6.75 lbs (30 N) 16 AWG = 9 lbs (40 N) 14 AWG = 11.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Shunt Trip (MX1) and Shunt Close (XF) Maximum Wire Length—The inrush currents for these devices are approximately 200 VA. When low supply voltages (12, 24 or 48 V) are used, the maximum allowable wire length is dependent on the voltage and the wire size. Table 33: Maximum Wire Length1 Source Voltage Percent of Source Voltage Device 12 Vdc 14 AWG (2.08 mm2) 16 AWG (1.31 mm2) 14 AWG (2.08 mm2) 16 AWG (1.31 mm2) 100% — — 159 ft (48.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Additional Shunt Trip (MX2) or Undervoltage Trip (MN) This function opens the circuit breaker via an electrical order.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Time-Delay Module for Undervoltage Trip To eliminate circuit breaker nuisance tripping during temporary voltage dips (micro-breaks), operation of the undervoltage trip (MN) can be delayed. This function is achieved by adding an external delay unit (either adjustable or non-adjustable) to the undervoltage trip (MN) circuit.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Electrical Closing Push Button (BPFE) Located on the front panel of the circuit breaker, this push button carries out electrical closing of the circuit breaker, taking into account all of the safety functions that are part of the control/monitoring system of the installation. The push button is installed on the control circuit of the shunt close, and connects to the communicating shunt close module (XF-COM).
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Overcurrent Trip Switch (SDE) Circuit breaker tripping due to a fault is signalled by a red mechanical fault indicator (reset) and one overcurrent trip switch (SDE). Following tripping, the mechanical indicator must be reset before the circuit breaker may be closed. An additional overcurrent trip switch (SDE2) is supplied as an option and is not compatible with the remote reset (RES).
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Cradle Position Switch Three series of optional auxiliary switches are available for the cradle: • • Cradle position switches (CE) to indicate the connected position. • Cradle position switches (CT) to indicate the test position. In this position, the power circuits are disconnected and the auxiliary circuits are connected. Cradle position switches (CD) to indicate the disconnected position.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Micrologic Trip Unit Accessories External Neutral Current Transformer (CT) The sensor is installed on the neutral conductor for neutral protection and metering and residual current ground-fault protection for equipment. External Neutral Current Transformer (CT) NOTE: The rating of the external neutral current transformer must be compatible with the rating of the circuit breaker.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Adjustable Rating Plugs Eight interchangeable rating plugs are available to limit the long-time threshold setting range for greater versatility. Table 42: Adjustable Rating Plug Settings Rating Plug Switch Settings Ir = In x... IEC Rated 1 A1 0.4 0.45 0.5 0.6 0.63 0.7 0.8 0.9 1 Type B 0.4 0.44 0.5 0.56 0.63 0.75 0.88 0.95 1 Type C 0.42 0.50 0.53 0.58 0.67 0.75 0.83 0.95 1 Type D 0.4 0.48 0.64 0.7 0.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories M2C/M6C Programmable Contact Modules These contacts are used with the Micrologic P and H control units, and indicate the type of fault and instantaneous or delayed threshold overruns (i.e trip unit protection pick-up, current/voltage unbalance, under/over voltage, reverse power, phase rotation, under/over frequency, and load shedding).
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Restraint Interface Module (RIM) The restraint interface module (RIM) is used to allow zone-selective interlocking communications between circuit breakers with old Square D™ Micrologic, Merlin Gerin™, or Federal Pioneer™ trip units and GC series ground-fault relays. Downstream circuit breakers with Micrologic 2.0A, 5.0A, 5.0P, 5.0H, 6.0A, 6.0P, and 6.0H trip units can restrain up to 15 upstream circuit breakers with Micrologic 5.0A, 5.0P, 5.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Cradle Connections Table 45: Connector Type Masterpact NW UL Listed/ANSI Certified 3P/4P Drawout Circuit Breakers (Rear Connections) Ampere Rating 3P Layout (Back/Side/Top) 4P Layout (Back/Side/Top) 800 to 2000 A 2500 to 3000 A Rear-Connected “T” Vertical (RCTV) 3200 A (L1) 4000 to 5000 A 6000 A 800 to 2000 A Rear-Connected “T” Horizontal 2500 to 3000 A (RCTH) 3200 A (L1) 4000 to 5000 A Rear-Connected Offset Vertical 3200 A (RCOV)
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 46: Masterpact NW UL Listed/ANSI Certified 3P/4P Drawout Circuit Breakers (Front Connections) Connector Type Ampere Rating 3P Layout (Back/Side/Top) 4P Layout (Back/Side/Top) 800 to 2000 A Front-Connected Flat (FCF) 3200 A (L1) 4000 A 800 to 3000 A Front-Connected “T” (FCT) 3200 A (L1) 4000 to 5000 A Table 47: Connector Type Masterpact NW UL Listed/ANSI Certified 3P/4P Fixed Circuit Breakers (Rear Connections) Ampere Ratin
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 47: Masterpact NW UL Listed/ANSI Certified 3P/4P Fixed Circuit Breakers (Rear Connections) (continued) 800 to 2000 A Rear-Connected “T” Horizontal (RCTH) 2500 to 3000 A 4000 to 5000 A Rear-Connected Offset Vertical (RCOV) 4000 A (B) (W-Frame) (Special) Table 48: 06135504 Rear-Connected Offset Vertical 06135503 3200 A Masterpact NW UL Listed/ANSI Certified 3P/4P Fixed Circuit Breakers (Front Connections) Ampere Rating 3P L
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 49: Connector Type Masterpact NW IEC Rated 3P/4P Drawout Circuit Breakers Ampere Rating 3P Layout 4P Layout Front-Connected 800 to 3200 A Flat (FCF) 800 to 3200 A 4000 A Rear-Connected “T” Vertical (RCTV) 5000 A 6300 A 800 to 3200 A Rear-Connected 4000 A “T” Horizontal (RCTH) 4000b, 5000 A 53 © 2000–2014 Schneider Electric All Rights Reserved 05/2014 ™
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 50: Connector Type Masterpact NW IEC Rated 3P/4P Fixed Circuit Breakers Ampere Rating 3P Layout 4P Layout Front-Connected 800 to 3200 A Flat (FCF) 800 to 3200 A 4000 A Rear-Connected “T” Vertical (RCTV) 4000b, 5000 A 6300 A 800 to 3200 A Rear-Connected “T” Horizontal (RCTH) 4000 4000b, 5000 A 54 05/2014 ™ © 2000–2014 Schneider Electric All Rights Reserved
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 51: Masterpact NT UL Listed/ANSI Certified 3P/4P Fixed and Drawout Circuit Breakers Connector Type Drawout Circuit Breakers Fixed Circuit Breakers Front-Connected Flat (FCF) 800 to 1200 A Rear-Connected “T” Vertical (RCTV) 800 to 1200 A Rear-Connected “T” Horizontal (RCTH) 06135502 800 to 1200 A Rear-Connected Vertical 1600 A N/A 55 © 2000–2014 Schneider Electric All Rights Reserved 05/2014 ™
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Table 52: Masterpact NT IEC Rated 3P/4P Fixed and Drawout Circuit Breakers Connector Type Drawout Circuit Breakers Fixed Circuit Breakers Front-Connected Flat (FCF) 800 to 1600 A Rear-Connected “T” Vertical (RCTV) 800 to 1600 A Rear-Connected “T” Horizontal (RCTH) 800 to 1600 A 56 05/2014 ™ © 2000–2014 Schneider Electric All Rights Reserved
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Test Equipment Hand-Held Test Kit The hand held test kit may be used to: • Verify trip unit operation, the mechanical operation of the circuit breaker, and the electrical continuity of the connection between the trip solenoid and the trip unit.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Circuit Breaker Locking and Interlocking Lockable Push Button Cover A transparent cover blocks access to the push buttons used to open and close the device. It is possible to independently lock the opening button and/or the closing button.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Cradle Locking and Interlocking Disconnected Position Locking The circuit breaker can be locked in the disconnected position by key interlock (optional) or padlock (standard). The key interlock is on the cradle and accessible with the door locked. • Kirk key interlocks are available for UL/ANSI circuit breakers; for IEC circuit breakers, Ronis, Castell, or Profalux key locks are available. Captive key when unlocked.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Source Changeover Interlocks • Source changeover interlocks allow mechanical interlocking between two or three circuit breakers (fixed and drawout). NOTE: Source changeover interlocks for Masterpact NT circuit breakers are IEC only.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Miscellaneous Accessories Mechanical Operation Counter (CDM) The mechanical operation counter (CDM) registers the total number of operating cycles. One CDM is installed per circuit breaker. Mechanical Operation Counter (CDM) Shutter and Shutter Lock The shutters automatically block access to the main disconnects when the circuit breaker is in the disconnected, test, or fully withdrawn position.
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Masterpact™ NT and NW Universal Power Circuit Breakers Accessories Masterpact NW Remote Racking Device The remote racking device allows the operator to perform circuit breaker racking operations from a distance of up to 30 ft away from the circuit breaker using the controller. This distance exceeds the arc flash boundary described in the arc flash safety guidelines outlined in NFPA-70E.
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Section 4—Wiring Diagrams WIRING DIAGRAMS FOR MASTERPACT™ NW CIRCUIT BREAKERS ................................................... 64 WIRING DIAGRAMS FOR MASTERPACT NT CIRCUIT BREAKERS ........................................................ 66 ADDITIONAL WIRING INFORMATION FOR MASTERPACT NW/NT CIRCUIT BREAKERS ......................
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Wiring Diagrams for Masterpact™ NW Circuit Breakers Figure 16: Wiring Diagrams for Masterpact NW Circuit Breakers Power Trip Unit Remote Operation A E B NOTE: All diagrams show circuit breaker open, connected and charged. D C A—Do not remove factory-installed jumpers between Z3, Z4 and Z5 unless ZSI is connected. B—Do not remove factory-installed jumper between T1 and T2 unless neutral CT is connected.
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Auxiliary Contacts Table 56: Cell Switches Markings for Push-In Type Terminals Cell Switches1 Auxiliary Contacts OF24 OF23 OF22 OF21 OF14 OF13 OF12 OF11 OF4 OF3 OF2 OF1 CT3 CT2 CT1 244 234 224 214 144 134 124 114 44 34 24 14 934 924 914 242 232 222 212 142 132 122 112 42 32 22 12 932 922 912 241 231 221 211 141 131 121 111 41 31 21 11 931 921 911 or 1 or or EF23 EF22 E
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Wiring Diagrams for Masterpact NT Circuit Breakers Figure 17: Markings for Push-In Type Terminals Power Trip Unit Remote Operation A E NOTE: All diagrams show circuit breaker open, connected and charged. B D C A—Do not remove factory-installed jumpers between Z3, Z4 and Z5 unless ZSI is connected. B—Do not remove factory-installed jumper between T1 and T2 unless neutral CT is connected. Do not install jumper between T3 and T4.
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Auxiliary Switches Table 59: Cell Switches Markings for Push-In Type Terminals Auxiliary Switches Cell Switches OF4 OF3 OF2 OF1 CE3 CE2 CE1 CT1 44 34 24 14 334 324 314 914 42 32 22 12 332 322 312 912 41 31 21 11 331 321 311 911 Figure 18: Spring-Charging Motor CN1 - 440/480 V 9 “Spring Charged“ Light 440/480 V 11 R B3 B2 CH MCH 380V Spring-Charging Motor 440/480 Vac (380 Vac Motor + Additiona
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Masterpact™ NT and NW Universal Power Circuit Breakers Wiring Diagrams Additional Wiring Information for Masterpact NW/NT Circuit Breakers Alarm Contacts (OF1, OF2, OF3 and OF4 are standard equipment) OF4 Open/Closed Circuit Breaker or Switch Position Contacts OF3 OF2 OF1 Cradle Contacts OF24: Open/Closed Circuit Breaker or Switch Position Contact CD3 or CD2 EF24: Combined Connected and Closed Contact CD1 CE3 Disconnected Position Contacts Connected CE2 Position Contacts CE1 CT2 or or OF22 or
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Section 5—Masterpact NT Dimensional Drawings MASTERPACT NT ENCLOSURE INFORMATION ..................................................................................... 70 UL LISTED AND ANSI CERTIFIED 3P DRAWOUT CIRCUIT BREAKERS ................................................ 70 800–1200 A Masterpact NT 3P Drawout—Master Drawing ...................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Masterpact™ NT Enclosure Information Table 60: Minimum Enclosure Information Circuit Breaker Enclosure Dimensions Number of Circuit Breaker Rating Poles (H x W x D) in. 3 4 Ventilation Area Top mm in.2 mm2 Bottom in.2 mm2 800 to 1600 A (N, H, L1) 18.25 x 13 x 9.5 463.5 x 330.2 x 241.3 9 5806 9 5806 800 to 1600 A (L) 62.25 x 23 x 14.75 1581.2 x 584.2 x 374.7 16.5 10645 16.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 21: 800–1200 A Masterpact NT UL/ANSI 3P Drawout—RCTH Rear-Connected “T” Horizontal Dimensions: Figure 22: in. [mm] 800–1200 A Masterpact NT UL/ANSI 3P Drawout—RCTV Rear-Connected “T” Vertical Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 23: 800–1200 A Masterpact NT UL/ANSI 3P Drawout—FCF Front-Connected Flat Dimensions: Figure 24: in. [mm] 800–1200 A Masterpact NT UL/ANSI 3P Drawout—Door Cutout Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 25: 800–1200 A Masterpact NT UL/ANSI Drawout and Fixed—Pan Dimensions DRAWOUT FIXED Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings UL/ANSI 3P Fixed Circuit Breakers Figure 26: 800–1200 A and 1600 A Masterpact NT UL/ANSI 3P Fixed—Master Drawing Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 27: Figure 28: 800–1200 A Masterpact NT UL/ANSI 3P Fixed—RCTH Rear-Connected “T” Horizontal Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 29: 800–1200 A Masterpact NT UL/ANSI 3P Fixed—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 30: 1600 A Masterpact NT UL 3P Fixed—RCV Rear-Connected Vertical Dimensions: Figure 31: in. [mm] 800–1200 A Masterpact NT UL/ANSI 3P Fixed—Door Cutout Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 32: 800–1200 A Masterpact NT UL/ANSI Fixed and Drawout—Pan Dimensions DRAWOUT FIXED Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings UL/ANSI 4P Drawout Circuit Breakers Figure 33: 800–1200 A and 1600 A Masterpact NT UL/ANSI 4P Drawout—Master Drawing Dimensions: Figure 34: in. [mm] 800–1200 A Masterpact NT UL/ANSI 4P Drawout—RCTH Rear-Connected “T” Horizontal Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 35: 800–1200 A Masterpact NT UL/ANSI 4P Drawout—RCTV Rear-Connected “T” Vertical Dimensions: Figure 36: in. [mm] 800–1200 A Masterpact NT UL/ANSI 4P Drawout—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 37: 800–1200 A Masterpact NT UL/ANSI 4P Drawout—Door Cutout Dimensions Dimensions: Figure 38: in. [mm] 800–1200 A Masterpact NT UL/ANSI Drawout—Pan Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings UL/ANSI 4P Fixed Circuit Breakers Figure 39: 800–1200 A Masterpact NT UL/ANSI 4P Fixed—Master Drawing Dimensions: Figure 40: in. [mm] 800–1200 A Masterpact NT UL/ANSI 4P Fixed—RCTH Rear-Connected “T” Horizontal Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 41: 800–1200 A Masterpact NT UL/ANSI 4P Fixed—RCTV Rear-Connected “T” Vertical Dimensions: Figure 42: in. [mm] 800–1200 A Masterpact NT UL/ANSI 4P Fixed—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 43: 800–1200 A Masterpact NT UL/ANSI 4P Fixed—Door Cutout Dimensions Dimensions: Figure 44: in. [mm] 800–1200 A Masterpact NT UL/ANSI Fixed—Pan Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings IEC 3P Drawout Circuit Breakers Figure 45: 800–1600 A Masterpact NT 3P Drawout—Master Drawing Dimensions: Figure 46: in. [mm] 800–1600 A Masterpact NT IEC 3P Drawout—RCTV Rear-Connected “T” Vertical Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 47: 800–1600 A Masterpact NT IEC 3P Drawout—RCTH Rear-Connected “T” Horizontal Dimensions: Figure 48: in. [mm] 800–1600 A Masterpact NT IEC 3P Drawout—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 49: 800–1200 A Masterpact NT IEC 3P Drawout—Rear Cutout Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings IEC 3P Fixed Circuit Breakers Figure 50: 800–1600 A Masterpact NT 3P Fixed—Master Drawing Dimensions: Figure 51: in. [mm] 800–1600 A Masterpact NT IEC 3P Fixed—RCTV Rear-Connected “T” Vertical Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 52: 800–1600 A Masterpact NT IEC 3P Fixed—RCTH Rear-Connected “T” Horizontal Dimensions: Figure 53: in. [mm] 800–1600 A Masterpact NT IEC 3P Fixed—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 54: 800–1200 A Masterpact NT IEC 3P Fixed—Rear Cutout Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings IEC 4P Drawout Circuit Breakers Figure 55: 800–1600 A Masterpact NT 4P Drawout—Master Drawing Dimensions: Figure 56: in. [mm] 800–1600 A Masterpact NT IEC 4P Drawout—RCTV Rear-Connected “T” Vertical Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 57: 800–1600 A Masterpact NT IEC 4P Drawout—RCTH Rear-Connected “T” Horizontal Dimensions: Figure 58: in. [mm] 800–1600 A Masterpact NT IEC 4P Drawout—FCF Front-Connected Flat Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 59: 800–1200 A Masterpact NT IEC 4P Drawout—Rear Cutout Dimensions Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings IEC 4P Fixed Circuit Breakers Figure 60: 800–1600 A Masterpact NT 4P Fixed—Master Drawing Dimensions: Figure 61: in. [mm] 800–1600 A Masterpact NT IEC 4P Fixed—RCTV Rear-Connected “T” Vertical Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 62: Figure 63: 800–1600 A Masterpact NT IEC 4P Fixed—RCTH Rear-Connected “T” Horizontal Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 64: 800–1200 A Masterpact NT IEC 4P Fixed—Rear Cutout Dimensions Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NT Dimensional Drawings Figure 66: 800–1600 A External Neutral Current Transformer (Switchboards and Switchgear) Dimensions: Figure 67: in. [mm] 800–1600 A External Neutral Current Transformer (Panelboards) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Section 6—Masterpact NW Dimensional Drawings MASTERPACT NW ENCLOSURE INFORMATION ...................................................................................100 MASTERPACT NW UL/ANSI 3P DRAWOUT CIRCUIT BREAKERS ........................................................100 800–3000 A and 3200 A (H1, H2, H3) Master Drawing ........................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings MASTERPACT NW UL AND ANSI 4P FIXED CIRCUIT BREAKERS .......................................................126 800–3000 A and 3200 A Master Drawing .............................................................................................126 800–2000 A Rear Connected "T" Vertical (RCTV) ...............................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Enclosure Information Table 61: Number of Poles Minimum Enclosure Information Circuit Breaker Enclosure Dimensions Ventilation Area Circuit Breaker Rating (H x W x D) in. 3P 4P Top mm in.2 Bottom mm2 in.2 Front Face mm2 in.2 mm2 2000 A and below, UL 1066 (ANSI C37.50) 21.25 x 21.75 x 15.75 539.8 x 552.5 x 400 59.62 38 460 35.62 22 980 — — 3000 A and below, UL 489 18.37 x 24.00 x 15.75 466.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 69: Figure 70: 800–2000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 71: 800–2000 A Front-Connected Flat (FCF) Dimensions: Figure 72: in. [mm] 800–3000 A Front-Connected "T" (FCT) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 73: 2500–3000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: Figure 74: in. [mm] 2000 A L1 and 3200 A Rear-Connected Offset Vertical (RCOV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 75: 2500–3000 A Rear-Connected "T" Vertical (RCTV) Dimensions: Figure 76: in. [mm] 3200 A L1 and 4000–6000 A Master Drawing Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 77: 3200 A L1 and 4000–5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: Figure 78: in. [mm] 3200 A L1 and 4000–5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 79: 3200 A L1 and 4000 A Front-Connected Flat (FCF) Dimensions: Figure 80: in. [mm] 3200 A L1 and 4000–5000 A Front-Connected "T" (FCT) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 81: 6000 A Rear-Connected "T" Vertical (RCTV) Dimensions: Figure 82: in. [mm] Drawout Cradle Mounting Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 83: 800–3000 A and 3200 A (H1, H2, H3) Door Cutout Dimensions: Figure 84: in. [mm] 3200 A L1 and 4000–6000 A Door Cutout Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 85: Door Escutcheon Hole Pattern Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings UL/ANSI 3P Fixed Circuit Breakers Figure 86: 800–3000 A, 3200 A and 4000 A (W-Frame) Master Drawing Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 87: 800–2000 A Rear-Connected "T" Vertical (RCTV) Dimensions: Figure 88: in. [mm] 800–2000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 89: Figure 90: 800–2000 A Front-Connected Flat (FCF) Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 91: 2500–3000 A Rear-Connected Vertical "T" Horizontal (RCTV) Dimensions: Figure 92: in. [mm] 2500–3000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 93: 2000 A L1 and 3200 A Rear-Connected Offset Vertical (RCOV) Dimensions: Figure 94: in. [mm] 4000 A (W-Frame) Rear-Connected Offset Vertical (RCOV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 95: 4000–6000 A Master Drawing Dimensions: Figure 96: in. [mm] 4000–5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 97: Figure 98: 4000–5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 99: 800–3200 A and 4000 A (W-Frame) Circuit Breaker Door Cutout Dimensions: in. [mm] Figure 100: 4000–6000 A Door Cutout Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings UL/ANSI 4P Drawout Circuit Breakers Figure 101: 800–3000 A and 3200 A Master Drawing Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 102: 800–2000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 103: 800–2000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 104: 800–2000 A Front-Connected Flat (FCF) Dimensions: in. [mm] Figure 105: 800–3000 A Front-Connected "T" (FCT) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 106: 2500–3000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 107: 2500–3000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 108: 2000 A L1 and 3200 A Rear-Connected Offset Vertical (RCOV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 109: 3200 A L1 and 4000–6000 A Master Drawing Dimensions: in. [mm] Figure 110: 3200 A L1 and 4000–5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 111: 3200 A L1 and 4000–5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 112: 3200 A L1 and 4000 A Front-Connected Flat (FCF) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 113: 3200 A L1 and 4000–5000 A Front-Connected "T" (FCT) Dimensions: in. [mm] Figure 114: 6000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings UL/ANSI 4P Fixed Circuit Breakers Figure 115: 800–3000 A, 3200 A and 4000 A (W-Frame) Master Drawing Dimensions: in. [mm] Figure 116: 800–2000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 117: 800–2000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 119: 800–3000 A Front-Connected "T" (FCT) Dimensions: in. [mm] Figure 120: 2000 A L1 and 3200 A Rear-Connected Offset Vertical (RCOV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 121: 2500–3000 A Rear Vertical "T" Horizontal (RCTV) Dimensions: in. [mm] Figure 122: 2500–3000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 123: 4000–6000 A Master Drawing Dimensions: in. [mm] Figure 124: 4000–5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 125: 4000–5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 127: Pan Drawings for 3P and 4P Circuit Breakers Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Neutral Current Transformers Figure 128: Neutral Current Transformer 100–250 A, 400–2000 A Dimensions: in. [mm] Figure 129: Neutral Current Transformer 2000–4000 A Dimensions: in. [mm] Figure 130: Double Neutral Current Transformer 2000–6300 A Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 131: MDGF/SGR Current Transformer Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings IEC 3P Drawout Circuit Breakers* Figure 132: 800–3200 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 133: 800–3200 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 134: 800–3200 A Front-Connected Flat (FCF) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 135: 4000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 136: 4000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 137: 5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 138: 5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 139: 6300 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings IEC 3P Fixed Circuit Breakers Figure 140: 800–3200 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 141: 800–3200 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 142: 800–3200 A Front-Connected Flat (FCF) Dimensions: in. [mm] Figure 143: 4000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 144: 4000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 145: 5000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 146: 5000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 147: 6300 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings IEC 4P Drawout Circuit Breakers Figure 148: 800–3200 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 149: 800–3200 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 150: 800–3200 A Front-Connected Flat (FCF) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 151: 4000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 152: 4000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 153: 5000 A Rear-Connected “T” Vertical (RCTV) Dimensions: in. [mm] Figure 154: 5000 A Rear-Connected “T” Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 155: 6300 A Rear-Connected “T” Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings IEC 4P Fixed Circuit Breakers Figure 156: 800–3200 A Rear-Connected "T" Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 157: 800–3200 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in. [mm] Figure 158: 800–3200 A Front-Connected Flat (FCF) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 159: 4000 A Rear-Connected "T" Vertical (RCTV) Dimensions: in. [mm] Figure 160: 4000 A Rear-Connected "T" Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 161: 5000 A Rear-Connected “T” Vertical (RCTV) Dimensions: in. [mm] Figure 162: 5000 A Rear-Connected “T” Horizontal (RCTH) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Masterpact NW Dimensional Drawings Figure 163: 6300 Rear-Connected “T” Vertical (RCTV) Dimensions: in.
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Section 7—Selection INTRODUCTION ........................................................................................................................................155 Overview of Selection Procedure .........................................................................................................155 FACTORY-ASSEMBLED CIRCUIT BREAKERS AND SWITCHES ...........................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Introduction Masterpact™ circuit breakers are available in three frame sizes: • T-frame circuit breakers: rated up to 800 A (ANSI Certified), up to 1600 A (UL® Listed), and up to 1600 A (IEC Rated). • W-frame circuit breakers: rated up to 4000 A (ANSI Certified), up to 3000 A (UL Listed), and up to 4000 A (IEC Rated). • Y-frame circuit breakers: rated up to 5000 A (ANSI Certified), up to 6000 A (UL Listed), and up to 6300 A (IEC Rated).
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 62: Circuit Breaker Selection Options Model Number NT Frame type NW T Maximum frame rating NW W Y (wide-construction) ANSI UL UL IEC ANSI ANSI UL IEC ANSI UL IEC 800 A 1200 A 1600 A 1600 A 3200 A 4000 A 3000 A 4000 A 6000 A 6000 A 6300 A 254 V 240 V 240 V 240 V 254 V 254 V 240 V 240 V 254 V 240 V 240 V 42 kA 200 kA 200 kA 150 kA 200 kA 100 kA 200 kA 150 kA 200 kA 200 kA 150 kA 508 V
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Factory-Assembled Circuit Breakers and Switches T-Frame Circuit Breaker Selection Table 64: Frame Rating 800 A Table 65: Frame Rating 800 A 1200 A 1600 A2 ANSI C37 Certified/UL 1066 Listed T-Frame Circuit Breakers Model Number NT08N1 Interrupting Rating Sensor Plug Rating 254 V 508 V 635 V 42 kA 42 kA — UL 489 Listed T-Frame Circuit Breakers Model Number Interrupting Rating Sensor Plug Rating 240 V 480 V 600 V NT08N 50 kA 50
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection T-Frame Switch Selection Table 67: Frame Rating 800 A 1 ANSI C37 Certified/UL 1066 Listed, Non-Automatic T-Frame Switch Model Number Interrupting Rating 1 Short-Time (0.5 s) Rating 254 V 508 V 635 V NT08NA 42 kA 42 kA NA 42 kA NT08HA 42 kA 42 kA 22 kA 42 kA When used in conjunction with an overcurrent relay, circuit breaker, or fuse.
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection W-Frame Circuit Breaker Selection Table 70: ANSI C37/UL 1066 Listed W-Frame Circuit Breakers Frame Rating 800 A 1600 A 2000 A 3200 A 4000 A (W-Frame) 1 Model Number Interrupting Rating Sensor Plug Rating 254 V 508 V 635 V NW08N1 42 kA 42 kA 42 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08H1 65 kA 65 kA 65 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08H2 85 kA 85 kA 85 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08H3 100 kA 100
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 71: Frame Rating 800 A 1200 A 1600 A 2000 A 2500 A 3000 A 1 UL 489 Listed W-Frame Circuit Breakers Model Number Interrupting Rating Sensor Plug Rating 240 V 480 V 600 V NW08N 65 kA 65 kA 50 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08H 100 kA 100 kA 85 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08L1 200 kA 150 kA 100 kA 100 A, 250 A, 400 A, 600 A, 800 A NW08LF1 200 kA 150 kA 100 kA 100 A, 250 A, 400 A, 600 A, 800 A
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 72: Frame Rating 800 A 1000 A 1250 A 1600 A 2000 A 2500 A 3200 A 4000 A 1 IEC 60947-2 Rated W-Frame Circuit Breakers Model Number Interrupting Rating Sensor Plug Rating 240 V 440 V 690 V 1150 V NW08N1 42 kA 42 kA 42 kA — NW08H1 65 kA 65 kA 65 kA — 400 A, 630 A, 800 A NW08H2 100 kA 100 kA 85 kA — 400 A, 630 A, 800 A NW08L11 150 kA 150 kA 100 kA — 400 A, 630 A, 800 A NW08H101 — — — 50 kA 400 A, 63
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection W-Frame Switch Selection Table 73: Frame Rating ANSI C37 Certified/UL 1066 Listed, Non-Automatic Switch Model Number Interrupting Rating 1 254 V 508 V 635 V Short-Time (0.5 s) Rating 800 A NW08HA 65 kA 65 kA 65 kA 65 kA 1600 A NW16HA 65 kA 65 kA 65 kA 65 kA 2000 A NW20HA 65 kA 65 kA 65 kA 65 kA 3200 A NW32HA 65 kA 65 kA 65 kA 65 kA 1 When used in conjunction with an overcurrent relay, circuit breaker, or fuse.
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 77: Frame Rating 800 A 1200 A 1600 A 2000 A 2500 A 3000 A UL 489 Listed, Drawout Automatic Switch Model Number Withstand Rating 1 600 V Instantaneous Override 240 V 480 V NW08HF 100 kA 100 kA 85 kA 40 kA NW08HB2 200 kA 150 kA 100 kA 35 kA NW12HF 100 kA 100 kA 85 kA 40 kA NW12HB2 200 kA 150 kA 100 kA 35 kA NW16HF 100 kA 100 kA 85 kA 40 kA NW16HB2 200 kA 150 kA 100 kA 35 kA NW20HF 100 kA 100 kA
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 79: IEC 60947-3 Rated, Non-Automatic Switch Interrupting Rating 1 Model Number Frame Rating 800 A 1000 A 1250 A 1600 A 2000 A 2500 A 3200 A 4000 A Short-Time (0.
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 82: Frame Rating 4000 A 5000 A 6300 A IEC 60947-2 Rated Y-Frame Circuit Breakers Model Number Interrupting Rating Sensor Plug Rating 240 V 440 V 690 V NW40BH1 100 kA 100 kA 100 kA NW40BH2 150 kA 150 kA 100 kA 2000 A, 2500 A, 3200 A, 4000 A NW50H1 100 kA 100 kA 100 kA 2500 A, 3200 A, 4000 A, 5000 A NW50H2 150 kA 150 kA 100 kA 2500 A, 3200 A, 4000 A, 5000 A NW63H1 100 kA 100 kA 100 kA 3200 A, 4000 A, 5000 A,
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Masterpact™ NT and NW Universal Power Circuit Breakers Selection Table 87: Frame Rating 4000 A 5000 A 6000 A UL 489 Listed, Drawout Automatic Switches Model Number Withstand Rating1 Instantaneous Override 240 V 480 V 600 V NW40HF 100 kA 100 kA 85 kA 75 kA NW40HB2 1200 kA 150 kA 100 kA 75 kA NW50HF 100 kA 100 kA 85 kA 75 kA NW50HB2 200 kA 150 kA 100 kA 75 kA NW60HF 100 kA 100 kA 85 kA 75 kA NW60HB2 200 kA 150 kA 100 kA 75 kA 1 The withstand rating is the fault current (
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Section 8—Trip Curves MICROLOGIC 6.0 A/P/H TRIP UNITS: .......................................................................................................168 Ground Fault I2t OFF and ON, In ≤ 400 A .............................................................................................168 Ground Fault I2t OFF and ON, 400 A < In ≤ 1200 A .............................................................................
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Micrologic™ 6.0 A/P/H Trip Units Figure 164: Micrologic 6.0 A/P/H Trip Units: In ≤ 400 A 8 9 10 7 6 5 4 3 2 1.5 .8 .9 1 .7 .6 .5 .4 .3 .2 .15 .07 .08 .09 .1 .06 .
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 165: Micrologic 6.0 A/P/H Trip Units: 400 A < In ≤ 1200 A Micrologic 6.
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 166: Micrologic 6.0 A/P/H Trip Units: In > 1200 A Micrologic 6.
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Micrologic 5.0/6.0 A/P/H Trip Unit Figure 167: Micrologic 5.0/6.0 A/P/H Trip Units: Long-Time Pickup and Delay, Short-Time Pickup, and I2t OFF Delay Micrologic 5.0/6.0 A/P/H Trip Units 80 90 100 70 60 50 40 30 20 15 8 9 10 7 6 5 4 3 2 1.5 .8 .9 1 .7 .6 .
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 168: Micrologic 5.0/6.0 A/P/H Trip Units: Short-Time Pickup and I2t ON Delay Micrologic 5.0/6.0 A/P/H Trip Units 80 90 100 70 60 50 40 30 20 15 8 9 10 7 6 5 4 3 2 1.5 .8 .9 1 .7 .6 .
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 169: Micrologic 5.0/6.
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Micrologic 3.0 Trip Units Figure 170: Micrologic 3.0A Trip Unit: Long-Time Pickup and Delay Micrologic 3.0A Trip Unit 80 90 100 70 60 50 40 30 20 15 8 9 10 7 6 5 4 3 2 1.5 .8 .9 1 .7 .6 .
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 171: Micrologic 3.0A Trip Unit: Instantaneous Pickup, 1.5X to 12X 08/7,3/(6 2) 6(1625 5$7,1* ,Q ,167$17$1(286 3,&.
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 172: Micrologic 2.0A Trip Unit Micrologic 2.0A Trip Unit Characteristic Trip Curve No. 613-9 80 90 100 70 60 50 40 30 20 15 8 9 10 7 6 5 4 3 2 1.5 .7 .8 .9 1 .6 .
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Figure 173: Micrologic 2.0/3.0/5.0/6.0 A/P/H Trip Unit Instantaneous Override Values INSTANTANEOUS OVERRIDE VALUES NO. 613-10 MASTERPACT NW/NT ANSI CB Model No.
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Masterpact™ NT and NW Universal Power Circuit Breakers Trip Curves Masterpact™ NW/NT Low Arc Flash Circuit Breakers Figure 174: Masterpact NW Low Arc Flash Circuit Breaker: L1F and LF MASTERPACT® NW Low Arc Flash Circuit Breaker CHARACTERISTIC TRIP CURVE NO. 613-15 (L1F AND LF) 800–2000 A, 60 Hz 1 .9 .8 .7 .6 AUTOMATIC RANGE: NO USER CONFIGURABLE SETTINGS USER DEFINED RANGE: FAULT LEVEL MUST TRIP BREAKER IN INSTANTANEOUS MODE (1.2X PICKUP) .5 .4 .3 .2 TIME IN SECONDS .15 .1 .09 .08 .07 .06 .05 .04 .
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Schneider Electric USA, Inc. 1415 S. Roselle Road Palatine, IL 60067 USA 1-888-778-2733 www.us.SquareD.com © 2000–2014 Schneider Electric All Rights Reserved Square D™, Schneider Electric™, Masterpact™, and Micrologic™ are trademarks owned by Schneider Electric Industries SAS or its affiliated companies. All other trademarks are the property of their respective owners.