Front auxiliary switch block, 2S, current path 1S,1S, connection from below for auxiliary and motor contactors, 3RT2 screw connection, 73/74, 83/84 SIRIUS 3RH29 auxiliary switch for extending the auxiliary contacts in the control circuit. The 3RH29 front auxiliary switches can be mounted on the 3RT2 contactors and 3RH2 auxiliary contactors without tools, regardless of the size. The 3RH19/3RH29 auxiliary switch blocks are available as front or side-mountable 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: | 2 |
| Rated operating current Ie at AC-15, 230 V: | 6 A |
