Table of Contents Section 3 Safety Switches Light Duty Safety Switches Light Duty—Visible Blades 10 kA Short Circuit Current Rating General Duty Safety Switches Light Duty General Duty—Up to 100 kA Short Circuit Current Rating 240 Volt—Single Throw Fusible Switches 240 Volt—Single Throw Non-Fusible Switches UL Listed Maximum Short Circuit Current Ratings — AC Only Accessories and Lug Data Field-Installed Fuse Puller Kits Field-Installed Electrical Interlock Kits Equipment Grounding Kits Field-Installed
EZ Selector - Selection Assistance Safety Switches EZ Selector - Selection Assistance EZ-Selector www.se.com/us Safety Switches EZ Selector - Selection Assistance Safety Switches EZ Selector - Selection Assistance EZ Selector Steps to select a safety switch. 1. Select product type: • General duty safety switch • Heavy duty safety switch • Double throw safety switch 2. 3. 4. 5. 3 Select switch type.
Light Duty Safety Switches Class 3130 / Refer to Catalog 3100CT1602 www.se.com/us Light Duty—Visible Blades 10 kA Short Circuit Current Rating The Square D light duty enclosed switch is ideal for home applications in disconnecting power to workshops, hobby rooms, furnaces, and garages. The light duty safety switch has visible blades and a ground lug as standard features. Table 3.1: Fusible System Amperes Fuse NEMA Type 1 Indoor Cat. No. Horsepower Ratings 120 Vac 240 Vac Std. Max. Std. 1Ø 1Ø 1Ø Max.
General Duty Safety Switches General Duty—Up to 100 kA Short Circuit Current Rating Class 3130 / Refer to Catalog 3100CT1602 www.se.com/us General Duty—Up To 100 kA Short Circuit Current Rating General duty safety switches are designed for residential and commercial applications where durability and economy are prime considerations. Typical loads are lighting, air conditioning, and appliances.
General Duty—Up to 100 kA Short Circuit Current Rating www.se.com/us General Duty Safety Switches Class 3130 / Refer to Catalog 3100CT1602 240 Volt—Single Throw Non-Fusible Switches Table 3.3: Non-Fusible System Amperes NEMA Type 1 Indoor Cat. No.
Accessories and Lug Data General Duty Safety Switches Class 3130 / Refer to Catalog 3100CT1602 www.se.com/us Field-Installed Fuse Puller Kits Kit consists of three fuse pullers as required for a 3P, fusible, 60 or 100 A general duty switch. Kits can be installed only in 60 or 100 A Series F fusible switches. Table 3.6: Fuse Puller Kits Fuse Puller Kit Series F Fusible Switches Only Switch Ampere Rating 60 100 Series No. F F Cat. No.
Dimensions for General Duty Safety Switches www.se.
Heavy Duty Safety Switches 240 Volt—Single Throw Fusible Switches Class 3130 / Refer to Catalog 3100CT1602 www.se.com/us Heavy Duty Safety Switches Visible blade heavy duty safety switches are designed for application where maximum performance and continuity of service are required. All heavy duty safety switches feature quick-make, quick-break operating mechanism, a dual cover interlock and a color coded indicator handle.
600 Volt—Single Throw Fusible Switches Heavy Duty Safety Switches Class 3130 / Refer to Catalog 3100CT1602 www.se.com/us 600 Volt—Single Throw Fusible Table 3.14: 600 Volt—Single Throw Fusible NEMA Type 1 Indoor NEMA Type 3R Rainproof (Bolt-on Hubs [10]) NEMA Type 3R, 5 or 12 [13] Without Knockouts (Watertight Hubs [10]) Cat. No. Cat. No. Cat. No. Cat. No.
Heavy Duty Safety Switches 600 Volt—Single Throw Non-Fusible Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us 600 Volt—Single Throw Non-Fusible Table 3.15: 600 Volt—Single Throw Non-Fusible System Amperes NEMA Type 1 Indoor Cat. No.
UL Listed Maximum Short Circuit Current Ratings—AC only www.se.com/us Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 UL Listed Maximum Short Circuit Current Ratings—AC only Table 3.16: Fusible Safety Switches NOTE: Consult the wiring diagram of the switch to verify the UL Listed short circuit current rating.
Heavy Duty Safety Switches Special Applications Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Special Application Heavy Duty Safety Switches 316 Grade Stainless Steel—NEMA Type 3, 3R, 4, 4X, 5, 12 316 stainless steel enclosure safety switches offer superior corrosion resistance to a wider range of chemicals than 304 stainless switches. 316 better resists chloride and is often used in marine, waste treatment and transportation applications. Use watertight hubs, see Hubs, page 3-15.
Special Applications Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us KrydonTM Enclosures—NEMA Type 4X Krydon enclosures are compression molded of fiberglass reinforced polyester, specially formulated to withstand attack from almost any corrosive atmosphere found in the toughest industrial application. Switches are furnished with watertight hubs and equipment grounding lugs.
Heavy Duty Safety Switches Receptacle Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Interlocked Receptacle Switches Interlocked Receptacle Switches [48] are furnished with a factory-installed three-phase four-wire Appleton PowertiteTM, Crouse-Hinds Style 2 ArktiteTM, or HubbellockTM receptacle. The fourth wire is connected to the switch equipment grounding terminal and is not a solid neutral termination.
Accessories and Special Features Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Table 3.
Heavy Duty Safety Switches Accessories and Special Features Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Electrical Interlock Kits Electrical interlocks for heavy duty safety switches 30 A through 1200 A are available factory installed or in kit form for field installation. A pivot arm operates from the switch mechanism, breaking the control circuit before the main switch blades break.
Accessories and Special Features Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Table 3.32 Internal Barrier Kits (cont'd.) Description [70] HDSS Line Side Interior Barrier for 800 – 1200 A Safety Switch [71] HDSS Load Side Interior Barrier for 800 – 1200 A Safety Switch [70] Cat. No.
Heavy Duty Safety Switches Accessories and Special Features Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Equipment Grounding Kits Equipment grounding kits are available for factory or field installation. For factory installation of equipment grounding kit, add suffix GL to standard Cat. No. (Example: H361GL). Table 3.34: Equipment Grounding Kits and Terminal Data [81] [82] 3 Amperes Series Number Standard Cat. No.
Accessories and Special Features Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Key Interlock Systems Factory-installed only on heavy duty safety switches and double throw safety switches. Interlocks are used to prevent the authorized operator from making an unauthorized operation. Not available on NEMA Type 4X Fiberglass, Krydon or NEMA Type 7 and 9 switches.
Heavy Duty Safety Switches Accessories and Special Features Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Cover Viewing Window Optional cover viewing window is positioned over the blades to allow visual verification of “ON-OFF” status. Available on 30 through 1200 A heavy duty switches, NEMA Type 1, 3R, 4/4X/5 Stainless Steel, 12 and 12K. (Not avaliable on NEMA Type 4X, Fiberglass, Krydon or NEMA Type 7 and 9 switches). Add VW suffix to the catalog number for factory installation.
Accessories and Special Features Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Double Lug Kits 200 A heavy duty F-series switches are supplied standard with lugs suitable for one wire per phase. For two wires per phase and neutral, order the Double Lug Kit. Not UL Listed. Not listed on switch’s wiring diagram as an accessory. Table 3.40: Double Lug Kits Amperes Cat. No.
Heavy Duty Safety Switches Dimensions for Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us NEMA Type 1 and 3R See Table 3.42 Terminal Lug Data, page 3-21 for terminal lug data for the series switches listed in the dimension table below. W W H H W/H D Typical NEMA Type 3R D W/H Typical NEMA Type 1 3 Table 3.44: Approximate Dimensions Cat. No. Series H W D W/H SAFETY SWITCHES H221N F5 in. 14.60 H221NRB F5 14.88 378 6.63 168 4.88 124 7.
Dimensions for Heavy Duty Safety Switches Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us NEMA Type 4, 4X, 5, 7, 9, and 12 See Table 3.42 Terminal Lug Data, page 3-21 for terminal lug data for the series switches listed in the dimension table below.
Heavy Duty Safety Switches Dimensions for Heavy Duty Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Table 3.45 Approximate Dimensions (cont'd.) 3 SAFETY SWITCHES 3-24 Cat. No.
Fusible and Non-Fusible Overview Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.
Double Throw Safety Switches 240 Volt — Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Double-Throw Safety Switches Table 3.46: 240 V Double Throw Safety Switches System Amperes Current Series NEMA Type 1 NEMA Type 3R Cat. No. Cat. No. NEMA Type 4,4X,5 304 Stainless Steel Cat. No. NEMA Type 12 Gasketed Cat. No. 1Ø Horsepower Ratings [1][2] 240 Vac 250 Vdc[3] Std. Max. 3Ø 1Ø 3Ø Fusible—2P, 240 Vac—250 Vdc Line 100 F DT223 DT223RB — — 7.
600 Volt — Double Throw Safety Switches Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Double Throw Safety Switches Table 3.47: 600 V Double Throw Safety Switches System Amperes Current Series Cat. No. Cat. No. NEMA Type 4,4X,5 304 Stainless Steel Cat. No. NEMA Type 1 NEMA Type 3R Horsepower Ratings [11][12] NEMA Type 12 Gasketed Cat. No.
Accessories and Lug Data Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Accessories Table 3.48: Electrical Interlocks (For Electrical Interlock Contact Ratings, see Supplemental Digest Section 2) Field-Installed Electrical Interlock Kit Cat. No. [33] EIK1, EIK2 [34][35] [37] Switch 30–100 A Type DT, DTU (Series F) 200 A Type 82000 and DTU (Series E) [36] 400–600 A Type DTU (Series A) DS200EK2D Table 3.
Accessories and Lug Data Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Rainproof Bolt-On Hubs • • • UL Listed for indoor or rainproof applications Suitable for use with conduit having ANSI standard taper pipe thread NEMA Type 3R switches with catalog number ending in RB have a bolt-on closing cap factory installed – Accepts 3/4 in. through 2-1/2 in. bolt-on hubs – No gaskets required • NEMA Type 3R switches with R suffix have blank top endwalls – Accepts 3 in.
Application Data Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Application Data for Double Throw Safety Switches Situations Requiring Fuses 30–100 A Type DT (Series F): Select DT switches from 240 Volt Double-Throw Safety Switches, page 3-26 and 600 Volt Double Throw Safety Switches, page 3-27 which have provisions for accepting fuses.
Terminal Lug Data Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Terminal Lug Data Table 3.
Double Throw Safety Switches Dimensions for Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Series F Devices 30–100 A Table 3.57: 30–100 A Type DT, DTU (Series F)—Approximate Dimensions W H 3 D W/H NEMA Type 1 W SAFETY SWITCHES H Cat. No.
Dimensions for Double Throw Safety Switches Double Throw Safety Switches Class 3110 / Refer to Catalog 3100CT1602 www.se.com/us Series A, E, and T4 Devices Table 3.58: 200–600 A Types 82,000 and E-Series DTU and 30 A devices— Approximate Dimensions D H NEMA Type 1 W/H W D H DTU—200 A NEMA Type 3R Cat. No.
1000 Vdc Photovoltaic Heavy Duty Disconnect Switch Photovoltaic Disconnect Switches Class 3110 www.se.com/us 1000 Vdc Photovoltaic Heavy Duty Disconnect Switch Put over 100 years of Schneider Electric’s experience as a global specialist in energy management to work on your photovoltaic (PV) project. The Square D 1000 Vdc disconnect switch is the perfect solution for your 1000 Vdc, PV disconnect applications. It is compact and available in both a 100 and 200 amp non-fusible versions.
