Siemens 3RH2911-1DA02 Auxiliary Switch, Lateral Mount, 2 NC, Screw Terminal for 3RT2.1 Contactors Original Brand New

Overview

The Siemens 3RH2911-1DA02 is a high-performance lateral auxiliary switch designed for reliable signaling and control applications. Engineered to integrate seamlessly with Siemens 3RT2.1 contactors, this auxiliary module ensures precise switching performance with two normally closed (2 NC) contacts positioned on both left and right sides for flexible wiring compatibility. Built with durable screw terminals and premium Siemens engineering, this accessory enhances safety, responsiveness, and overall system efficiency.

Main Features

• Lateral auxiliary switch configuration

• 2 NC contacts

  • Left: 41/42, 51/52

  • Right: 21/22, 31/32

• Designed for precise current path control (1 NC + 1 NC)

• Robust screw terminal connection for secure installation

• Fully compatible with Siemens 3RT2.1 contactors

• High-quality construction for long-term durability

Functionality

• Provides additional switching feedback for industrial control circuits

• Enables status signaling and interlocking functions

• Enhances operational monitoring and safety in automated systems

• Supports auxiliary actuation in motor control centers and panel assemblies

Benefit

• Reliable performance backed by Siemens engineering

• Easy installation with lateral mounting and screw terminals

• Improved control accuracy with two independent NC contacts

• Enhanced system safety through precise contact feedback

• Seamless integration with 3RT2.1 contactor systems

• Long-lasting solution for industrial automation environments

Application

• Industrial automation systems

• Motor control centers

• Control panels and switchboards

• Signaling and interlocking circuits

• Process control environments

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