Siemens 3RH2911-2FA22-0MC0 Auxiliary Switch, 2NO + 2NC Front Mount, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RH2911-2FA22-0MC0 Auxiliary Switch is a high-quality front-mounted accessory designed for Siemens contactors 3RT102 and 3RT103 series. Featuring 2 Normally Open (2NO) and 2 Normally Closed (2NC) contacts, this auxiliary switch provides reliable signaling and control feedback for industrial automation systems. Built with durable spring-loaded terminals, it ensures fast and secure wiring connections while maintaining excellent electrical performance.

Technical Features & Specification

• Manufacturer: Siemens

• Product Number: 3RH2911-2FA22-0MC0

• Type: Auxiliary Switch (Front Mount)

• Contact Configuration: 2 NO + 2 NC (13/14, 21/22, 31/32, 43/44)

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

• Terminal Type: Spring-loaded terminals for quick installation

• Compatibility:

  • For 3RT102..-.X…-0LA(0.2) with adapter 3RT2926-4NA00

  • For 3RT103..-.X…-0LA(0.2) with adapter 3RT2936-4NA00

• Mounting Position: Front-mounted auxiliary contact block

Benefit

• Easy Integration: Front-mount design for seamless installation on compatible Siemens contactors.
• Reliable Performance: Ensures precise control circuit signaling with high contact reliability.
• Quick Wiring: Spring-loaded terminals enable fast and secure electrical connections.
• Durable Construction: Built for long-term industrial use with robust Siemens engineering.
• Versatile Compatibility: Works with multiple Siemens contactor models using adapter kits.

Application & Function

The Siemens 3RH2911-2FA22-0MC0 auxiliary switch is commonly used in:

• Motor control centers

• Industrial automation panels

• Machinery safety circuits

• Control and signaling applications

Its main function is to provide additional auxiliary contacts to extend the switching and signaling capabilities of Siemens 3RT contactors.

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