1SYS274012R0041

The ABB SB204M-D4 miniature circuit breaker (MCB), order code 1SYS274012R0041, is part of ABB's System pro M compact SB200M series. It is designed to protect electrical circuits against overloads and short circuits using thermal and electromagnetic tripping mechanisms.

This four-pole circuit breaker has a rated current of 4 A, a D-type tripping characteristic and a rated short-circuit breaking capacity of 10 kA. The D-curve characteristic is suitable for circuits supplying equipment with high inrush currents, provided the circuit's fault current and protection requirements are properly assessed.

The device is intended for suitable residential, commercial and industrial electrical installations and complies with IS/IEC 60898-1. It is designed for DIN-rail panel installations; confirm installation and coordination requirements against the manufacturer's documentation.