Auxiliary switch block front1 S, current path 1 S, for auxiliary and motor contactors, 3RT2 screw connection, auxiliary switch SIRIUS 3RH29 for extending the auxiliary contacts in the control circuit. The front-mounted auxiliary switches 3RH29 can be mounted on the 3RT2 contactors and 3RH2 auxiliary contactors without tools, regardless of the size. The auxiliary switch blocks 3RH19/3RH29 are available as front-mounted or side-mounted versions, with up to four instantaneous switching or up to two leading switching NO and NC contacts. The auxiliary switches can be designed as positively guided contact elements in 3RH auxiliary contactors or as mirror contacts in 3RT power contactors. They are available with screw connection and spring-loaded connection. Simple, efficient, always up-to-date - the SIRIUS modular system.
| Property | Value |
| Number of contacts as normally open: | 1 |
| Rated operating current Ie at AC-15, 230 V: | 6 A |
