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Eaton / Moeller Series

NZMH4-4-VE800/500265988

In Stock

800A, 4P, breaker, electronic adjustable, IEC

The Eaton NZMH4-4-VE800/500 is a 4-pole molded case circuit breaker designed for high-performance system, cable, and generator protection. Rated for 800 A with 500 A on the fourth pole, it features an electronic release system with adjustable overload (400–800 A) and short-circuit settings up to 9600 A. Built on the robust NZM4 frame, the unit operates up to 690 V AC and delivers short-circuit breaking capacities of up to 63 kA at 230 V. The breaker supports configurable time delay settings, thermal memory, and i²t functionality. Compliant with IEC/EN 60947, this RoHS-conform unit is ideal for industrial installations with high reliability and precision requirements.

Country of Origin: DE

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  • Product Specifications
  • Technical Specifications
Brand Eaton
Series Moeller NZM
Model NZMH4-4-VE800/500
Catalog Number 265988
Product Type Molded Case Circuit Breaker
Frame Size NZM4
Trip Type Electronic (adjustable)
Amperage 800 A
Poles 4 (500 A in 4th pole)
Operator Rocker lever
Mounting Fixed
Weight 27 kg
Dimensions (H × W × D) 207 × 280 × 401 mm
Voltage Rating 690 V AC
Rated Insulation Voltage (Ui) 1000 V AC
Rated Impulse Withstand Voltage 8000 V (main), 6000 V (auxiliary)
Interrupting Capacity (Ics @ 230 V) 63 kA
Interrupting Capacity (Ics @ 400/415 V) 50 kA
Interrupting Capacity (Ics @ 690 V) 37 kA
Short-Circuit Making Capacity (Icm @ 400/415 V) 187 kA
Short-Time Withstand Current (1s) 19.2 kA
Overload Current Setting (Ir) 400–800 A
Short-Circuit Release (non-delayed) 1600–9600 A
Short-Circuit Release (delayed) 800–8000 A
Utilization Category B (IEC/EN 60947-2)
Electrical Life (400 V AC-1) 3000 operations
Mechanical Life 10,000 operations
Protection Degree IP20 (basic), IP66 (with rotary handle)
Ambient Operating Temp -25 °C to +70 °C
Terminal Type Screw terminal (standard)
Control Cable Capacity 0.75–2.5 mm² (1x), 0.75–1.5 mm² (2x)
Certifications IEC, IEC/EN 60947, RoHS conform
Climatic Proofing IEC 60068-2-30 / 60068-2-78

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