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Eaton / Moeller Series

NZMH4-VE630-S1290375

In Stock

630A, 3P

The Eaton Moeller NZM series NZMH4-VE630-S1 molded case circuit breaker is a three-pole device designed for reliable protection of systems, cables, generators, and selective installations. Rated at 630 A with a maximum operational voltage of 1000 V AC, it features an electronic release system with adjustable overload, short-time, and instantaneous current settings, including i²t functionality and thermal memory. The breaker offers high short-circuit breaking and making capacities in accordance with IEC/EN 60947 standards and supports fixed built-in mounting. With robust mechanical and electrical endurance, wide terminal capacity options, and IP20 protection, this circuit breaker is suitable for demanding industrial and switchgear applications.

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  • Product Specifications
  • Technical Specifications
Brand Eaton Moeller
Series NZM
Product Name NZM molded case circuit breaker electronic
Catalog Number 290375
Model Code NZMH4-VE630-S1
Product Type Molded case circuit breaker
Frame Size NZM4
Amperage Rating 630 A
Number of Poles Three-pole
Release System Electronic release
Mounting Method Fixed, built-in device
Handle Type Rocker lever
Degree of Protection IP20
Weight 21 kg
Rated Operational Voltage Up to 1000 V AC
Rated Insulation Voltage (Ui) 1000 V AC
Rated Impulse Withstand Voltage (Uimp) 8000 V (main contacts)
Rated Short-Circuit Breaking Capacity (Ics) 63 kA at 230 V / 50 kA at 400–525 V / 37 kA at 690 V / 15 kA at 1000 V
Rated Short-Circuit Making Capacity (Icm) 275 kA at 240 V / 187 kA at 400–440 V / 143 kA at 525 V / 100 kA at 690 V / 40 kA at 1000 V
Rated Short-Time Withstand Current 19.2 kA (0.3 s and 1 s)
Overload Current Setting (Ir) 315 A – 630 A
Short Delay Current Setting (Isd) 630 A – 6300 A
Instantaneous Current Setting (Ii) 1260 A – 7560 A
Ambient Operating Temperature -25 °C to +70 °C
Mechanical Lifespan 10,000 operations
Electrical Lifespan 500 operations at 1000 V AC-1
Standards / Certifications IEC, RoHS conform

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