Siemens Auxiliary switch lateral, screw, 1NO + 1NC Part number 3RH2911-1DA11

Auxiliary switch

The auxiliary switch is designed for the expansion of auxiliary contacts in the control circuit of contactors.

Technical details:

• Type: Lateral
• Contacts: 1 NO + 1 NC
• Mounting positions: On the left - 41/42, 53/54; On the right - 21/22, 33/34
• Current path: 1 NC, 1 NO
• Terminal type: Screw terminal
• Compatibility: For contactors 3RT2.1
• Versions: Front or lateral mounting, with up to four instantaneous contacts or up to two leading NO and NC contacts
• Design options: Positively driven contacts in 3RH contactor relays or mirror contacts in case of 3RT power contactors
• Available terminal types: Screw terminal and spring-type terminal
• System: SIRIUS modular system

Customer benefits:

• Can be mounted laterally onto 3RT2 contactors without tools regardless of their size
• Provides a simple and efficient solution for expanding auxiliary contacts
• Always up to date with the SIRIUS modular system