The ABB S203-C40 is a 3P miniature circuit breaker (MCB) from the ABB System pro M compact S200 range, rated 40 A with a 6 kA breaking capacity. It uses C-curve (trips instantaneously at 5-10x rated current) suited to general lighting, socket-outlet and resistive-load circuits.
Order code: 2CDS253001R0404. Complies with IEC/EN 60898-1 and IEC/EN 60947-2 (UL1077 for the North American variant), with bottom-fitting auxiliary/signalling contacts available as accessories. Used across industrial control panels, distribution boards and machine-building applications for reliable overcurrent and short-circuit protection.
