Siemens 5SY4603-7CC11 Miniature Circuit Breaker, 400 V 10 kA

Siemens 5SY4603-7CC11 is a 3+N-pole miniature circuit breaker rated 400 V with a 10 kA breaking capacity, C-curve trip characteristic, and 3 A current rating — sized for railway auxiliary circuits where a C-curve handles moderate inrush from transformers or contactor coils without nuisance tripping.

Deployment context

Rated for railway applications. Mounts on standard DIN rail.