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Siemens 3RH2911-2FA22 Front Aux Switch - 2 NO, 2 NC (Spring)

Siemens 3RH2911-2FA22 front auxiliary switch with 2 NO and 2 NC contacts.

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ManufacturerSiemens

Part number3RH2911-2FA22

Type Auxiliary switch

Mounting Front

Contacts 2 NO, 2 NC

Terminal Type Spring-loaded

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Veteran-owned

CAGE: 9NK75

Front mounting 2 Normally Open (NO) contacts 2 Normally Closed (NC) contacts Spring-loaded terminals Tool-free connection For 3RT2/3RH2 series

Product description

The Siemens 3RH2911-2FA22 is a front-mounted auxiliary switch designed for Siemens 3RT2 contactors and 3RH2 contactor relays. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. A key feature is its spring-loaded terminals, which offer quick and secure connections without the need for tools.

This auxiliary switch is ideal for demanding control applications where fast and reliable connections are essential. Its spring-loaded terminals simplify installation and maintenance, making it suitable for high-vibration environments and panel building in industries like transportation, robotics, and machine tool manufacturing.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation components, carries the Siemens 3RH2911-2FA22. We are dedicated to providing quality parts to keep your automation systems running efficiently.

Technical specifications

Type	Auxiliary switch
Mounting	Front
Contacts	2 NO, 2 NC
Terminal Type	Spring-loaded
Series	3RH2
Compatibility	3RT2 contactors, 3RH2 contactor relays

Common applications

Robotics

Machine tools

Control panels

Industrial automation

Transportation

High-vibration environments

Compatible systems

Siemens 3RT2 contactors Siemens 3RH2 contactor relays

Also known as

Siemens 3RH29112FA22 3RH2911-2FA22 spring clamp aux

Replaces / compatible with

This auxiliary switch adds 2 NO and 2 NC contacts to Siemens 3RT2 contactors and 3RH2 contactor relays, offering tool-free connection via spring-loaded terminals.

Technical note

Expert tip

The spring-loaded terminals on the 3RH2911-2FA22 provide consistent contact pressure, ensuring reliable connections even in environments with significant vibration.

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Frequently asked questions

What type of terminals does the Siemens 3RH2911-2FA22 auxiliary switch use?

The Siemens 3RH2911-2FA22 auxiliary switch utilizes spring-loaded terminals. This allows for quick, secure, and tool-free wire connections, which is advantageous in applications requiring rapid installation or frequent maintenance.