Auxiliary switch block, 1 NO, DIN EN 50005 spring-loaded connection, for motor contactors, 1-pole SIRIUS 3RH19 auxiliary switch for extending the auxiliary contacts in the control circuit. This 3RH19 auxiliary switch can be mounted on the 3RT1 contactors and 3RH1 auxiliary contactors of sizes S0-S12 without tools. The 3RH19/3RH29 auxiliary switch blocks are available as front- 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 connections and spring-loaded connections. 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 |
