Full Product Manual

12
www.leviton.com/industrial
Catalog Number 74120-7M3 74277-7M3 75120-7M3 75277-7M3
Electrical Specifications
Voltage 120/208 VAC 3-phase WYE 277/480 VAC 3-phase WYE 120/208 VAC 3-phase WYE 277/480 VAC 3-phase WYE
Frequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Surge Technology 40mm MOV 40mm MOV 53mm MOV 53mm MOV
Recommended Circuit
Breaker Rating
30A, 120V 30A, 277V 30A, 120V 30A, 277V
Performance Data
Nominal Discharge Rating (I
N
) 10kA
Maximum Continuous
Operating Voltage
(MCOV)
L-L 300V 640V 300V 640V
L-N 150V 320V 150V 320V
L-G 150V 320V 150V 320V
N-G 150V 320V 150V 320V
Voltage Protection
Rating
(VPR)
L-L 1200V 2000V 1500V 2000V
L-N 700V 1200V 800V 1200V
L-G 800V 1200V 800V 1200V
N-G 500V 1000V 600V 1000V
Maximum Surge Current,
Per Mode (Per Phase)
200kA (400kA) 320kA (640kA)
Protection Mode 7 Mode
Short Circuit Current Rating
(SCCR)
10kA
EMI/RFI Noise Filtering -40dB (@ 5K-100MHz)
Diagnostics
Real Time Protection status LEDs & Audible Alarm, Surge Counter,
Downloadable event history log; shows magnitude, duration of spike
Remote Monitoring Dry Contact Leads-N.O./N.C. Form C Rated at 7Amps @ 240VAC or 30VDC
Mechanical Specifications
Connection Type Parallel-Hardwire Using Terminal Block: Accepts up to #6 AWG
Environmental Specifications
Flammability Rated V-2 per UL 94
Operating Temperature -10ºC to 60ºC
Storage Temperature -20ºC to 85ºC
Enclosure Type NEMA 12
Relative Humidity 5% to 95% non-condensing
Material Specifications
Enclosure Powder Coated Steel
Standards & Certifications
Agency Certification cULus 1449 3rd Edition Listed Type 2
ANSI/IEEE Category A, B & C C-62.41 & C-62.45
Warranty
Product Warranty Limited Lifetime
Replacement Module
Warranty
Limited Lifetime*
*Certain Restrictions Apply
Specifications and Dimensions for: 74000 / 75000 Series
Typical for
74000 / 75000
Series
19.71in
500.4mm
15.80in
401.3mm
8.33in
210.8mm