Siemens Auxiliary switch on the front, 3NO + 1NC Part number 3RH2911-1GA31

SIRIUS 3RH29 Auxiliary Switch

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

Technical details:

• Front-mounted
• 3 NO + 1 NC
• 53/54, 61/62, 73/74, 83/84
• Current path: 1 NO, 1 NC, 1 NO, 1 NO
• Screw terminal
• Physically coded
• Combinable only with contactor relays 3RH2140 and 3RH2440 (according to EN 50011)
• Versions available 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 mirror contacts in 3RT power contactors
• Available with screw terminal and spring-type terminal

Customer benefits:

• Simple installation without the need for tools
• Efficient and modular design
• Compatible with various contactor sizes
• Always up to date