Siemens Auxiliary, spring terminal, 4NC Part number 3RH2911-2GA04

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
• Spring-loaded terminal
• Physically coded
• Combinable only with contactor relays 3RH2140 and 3RH2440 (according to EN 50011)
• Can be installed on 3RT2 contactors and 3RH2 contactor relays without the need for tools
• Available for front or lateral mounting
• Up to four instantaneous contacts or up to two leading NO and NC contacts
• 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 and efficient installation
• Modular system ensures tools are not required for setup
• Flexible mounting options to fit different configurations
• Up-to-date technology for reliable performance