5ST3657 SIEMENS

Auxiliary switch, 1 NO + 1 NC for miniature circuit breakers 5SL, 5SY, 5SP, incorporated switch 5TL1, RCBO 5SU1 (without 5SU1…FP/FR), RCCB 5SV (for 5SU1, handle coupler 5ST3805-1 i …

ACCESSORIES FOR SWITCHES 5ST2 (2X 1-PHASE+N)

Shunt release 110-415 V AC, for miniature circuit breaker 5SL4, 5SY, 5SP, RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)