Siemens Auxiliary switch

Auxiliary switch, front-mounted, 3 contacts, 30 U, 57/58, 67/68, 77/78, current path: 1 contact (leading), 1 contact (leading), 1 contact (leading), screw connection, for 3RT2 contactors and 3RH2 auxiliary contactors. The auxiliary switch 3RH29 is designed to expand the auxiliary contacts in the control circuit. The front-mounted auxiliary switches 3RH29 can be installed without tools on the 3RT2 contactors and 3RH2 contactor relays, regardless of size. The auxiliary switches 3RH19/3RH29 are available in front-mounted or side-mounted versions, with up to four instant switching or up to two fast switching NO and NC contacts. The auxiliary switches can be designed as positively driven contact elements in 3RH contactor relays or as mirror contacts in 3RT contactors. They are continuously available with screw connection and spring cage connection. Simple, efficient, always up to date - the SIRIUS modular system.