SIEMENS 5ST3012 Description Description SIEMENS AUXILIARY SWITCH 2NC FOR MCB 5SL, 5SY, 5SP, ON-OFF-SW. 5TL1, RCBO 5SU1, RCD 5SV Related products SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FK7063-5AF71-1FG2 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FK7022-5AK71-1DA0 SIEMENS 1FN1910-0AA20-3AA0 SIEMENS 1FN3300-4SA00-0AA0
