The Siemens SENTRON 5SM3315-6KK is a 2-pole residual current circuit breaker (RCCB) rated 125 A with 30 mA trip sensitivity, Type A, for 230 V AC 50 Hz systems.
Depth is 70 mm — check gland plate clearance before panel layout. Mounts in any position; supply can enter top or bottom. IP20 with distribution board installed and conductors connected.
