Siemens 3RH2911-2GA22 Auxiliary Switch, Front-Mounted, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RH2911-2GA22 auxiliary switch is designed for reliable and precise operation in industrial electrical applications. Mounted on the front of the device, this auxiliary switch includes 2 NO (Normally Open) and 2 NC (Normally Closed) contacts, making it ideal for monitoring and controlling contactor relays. With a spring-loaded terminal and physically coded design, it ensures secure connections and prevents miswiring.

This switch is fully compatible with Siemens contactor relays 3RH2140 and 3RH2440, offering seamless integration into existing industrial setups according to EN 50011 standards. Its compact, robust design guarantees durability and high performance in demanding environments.

Key Benefit

• High Reliability: Spring-loaded terminals provide consistent electrical contact.

• Error-Free Installation: Physically coded design prevents incorrect wiring.

• Versatile Monitoring: 2 NO + 2 NC contacts allow flexible connection options.

• Seamless Compatibility: Designed specifically for Siemens 3RH2140 and 3RH2440 contactors.

• Industrial Grade: Built to withstand rigorous industrial operating conditions.

Functions & Features

• Mounting Type: Front-mounted

• Contact Configuration: 2 NO + 2 NC

• Contact Points: 53/54, 61/62, 71/72, 83/84

• Current Path: 1 NO, 1 NC, 1 NC, 1 NO

• Terminal Type: Spring-loaded

• Coding: Physically coded to prevent misconnection

• Standards Compliance: EN 50011

• Compatibility: Only combinable with Siemens 3RH2140 and 3RH2440 contactor relays

Combination & Application

This auxiliary switch is an indispensable component for applications requiring additional signaling or interlocking functions in a control circuit. Its use is limited to the specific SIRIUS Contactor Relays 3RH2140 and 3RH2440. The front-mounted design saves space and simplifies wiring visibility compared to side-mounted options.

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