Siemens 3RH2911-2NE21 Auxiliary Switch, Solid-State Compatible for 3RT2 & 3RH2 Contactors Original Brand New

Overview

The Siemens 3RH2911-2NE21 Auxiliary Switch is a high-quality, solid-state compatible accessory designed for superior performance in industrial automation and control systems. Engineered for front mounting, it features 2 Normally Open (2NO) and 1 Normally Closed (1NC) contacts, ensuring reliable switching and signal feedback for Siemens 3RT2 contactors and 3RH2 contactor relays.

Built to Siemens’ stringent standards, this auxiliary switch provides precise control, durability, and easy installation, making it an essential component for efficient machine operation and safety compliance.

Key Features & Functions

• Configuration: 2 NO + 1 NC contact setup

• Compatibility: Designed for Siemens 3RT2 contactors and 3RH2 contactor relays

• Mounting: Front-mounted for convenient access and wiring

• Solid-State Compatible: Ideal for integration with electronic circuits

• Connection Type: Spring-loaded terminals for fast, secure installation

• Reliable Contact Paths:

  • 1 NO (solid-state compatible)

  • 1 NO + 1 NC (solid-state compatible)

• High Durability: Built to withstand demanding industrial environments

Benefit

• Enhanced Performance – Provides accurate auxiliary switching for improved circuit control.
• Easy Installation – Front mounting and spring terminals save time during setup.
• Solid-State Compatibility – Designed to function reliably in modern automation systems.
• Long Service Life – Siemens’ premium materials ensure consistent operation.
• Versatile Application – Perfect for automation panels, machinery control, and industrial systems.

Application

• Industrial automation and process control

• Motor control centers (MCCs)

• Power distribution panels

• Machine safety and interlocking systems

• Control circuits requiring auxiliary signaling

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