Siemens Auxiliary switch on the front, 4 NC current path Part number 3RH2911-1GA04

SIRIUS 3RH29 Auxiliary Switch

The SIRIUS 3RH29 auxiliary switch is designed for the expansion of auxiliary contacts in control circuits.

Technical details:

• Front-mounted
• 4 NC
• 51/52, 61/62, 71/72, 81/82
• Current path: 1 NC, 1 NC, 1 NC, 1 NC
• Screw terminal
• Physically coded
• Combinable only with contactor relays 3RH2140 and 3RH2440 (according to EN 50011)
• Available as versions for front or lateral mounting
• Up to four instantaneous contacts or up to two leading NO and NC contacts
• Designed as positively driven contacts in 3RH contactor relays or as mirror contacts in 3RT power contactors
• Available with screw terminal and spring-type terminal

Customer benefits:

• Simple installation on 3RT2 contactors and 3RH2 contactor relays without the need for tools
• Part of a simple, efficient, and always up-to-date modular system