3RH2911-2XA22-0MA0 SIEMENS

The 3RH2911-2XA22-0MA0 is an auxiliary switch designed for front mounting on 3RH and 3RT series contactors and contactor relays. This auxiliary switch features a combination of normally open (NO) and normally closed (NC) contacts, specifically configured with 2 NO and 2 NC contacts. The contact arrangement provides versatile control options for signaling and interlocking circuits. It incorporates a spring-type terminal design, ensuring secure and vibration-resistant connections. The current paths are arranged as 1 NO, 1 NC, 1 NC, and 1 NO, corresponding to terminal designations 53/54, 61/62, 71/72, and 83/84 respectively. This configuration allows for diverse applications in control systems. The spring-type terminals facilitate quick and easy wiring, reducing installation time and effort. It enhances the functionality of the main contactor by providing additional switching capabilities for control and monitoring purposes. Siemens auxiliary switches are known for their reliability and durability in demanding industrial environments. This auxiliary switch is suitable for a wide range of applications, including motor control, automation, and signaling circuits.