MCCB – 400A, 3 Pole, Icu 25kA, Ics 18kA

This 400A molded case circuit breaker offers strong protection for medium to heavy-duty electrical systems. Designed for 3-phase systems, it ensures safe operation with a high short-circuit breaking capacity of 25kA and service continuity at 18kA. With a durable body and front-wiring configuration, it fits seamlessly into panel boards and industrial control systems.

Applications:

Power Distribution: Industrial and commercial panels
Control Systems: MCCs and main breakers
Generators: Circuit protection for backup systems
Factories: Safe operation for high-load machines
Buildings: Electrical safety for large installations

Rated Current (In): 400A
Number of Poles: 3P
Rated Voltage (Ue): AC 400V, 50–60Hz
Rated Insulation Voltage (Ui): 8kV
Category of Use: A
Rated Frequency: 50–60Hz
Impulse Withstand Voltage (Uimp): 8000V
Breaking Capacity – Icu: 25kA
Breaking Capacity – Ics: 18kA
Wiring Method: Front board wiring
Fixed Contact Material: AgWC12C3
Moving Contact Material: AgW50
Body Material: DMC-2
Hinge Material: SMC
Handle Material: PC