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Siemens 3RH2911-2FB11 Front Aux Switch - 1 NO, 1 NC (Spring)

Siemens 3RH2911-2FB11 front auxiliary switch with 1 NO and 1 NC contact.

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ManufacturerSiemens

Part number3RH2911-2FB11

Type Auxiliary switch

Mounting Front

Contacts 1 NO, 1 NC

Terminal Type Spring-loaded

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Veteran-owned

CAGE: 9NK75

Front mounting 1 Normally Open (NO) contact 1 Normally Closed (NC) contact Spring-loaded terminals Tool-free connection For 3RT2/3RH2 series

Product description

The Siemens 3RH2911-2FB11 is a front-mounted auxiliary switch designed for the 3RT2 contactor and 3RH2 contactor relay series. It features a combination of 1 Normally Open (NO) and 1 Normally Closed (NC) contact, with spring-loaded terminals for quick and tool-free wiring.

This auxiliary switch is versatile for control and signaling applications requiring both make and break contacts. Its spring terminals are beneficial for rapid installation and maintenance, often used in industrial control panels, safety circuits, and automation systems where efficiency is key.

Stanlo Automation, a veteran-owned supplier of industrial automation surplus, offers the Siemens 3RH2911-2FB11. We are committed to providing reliable components to keep your operations running.

Technical specifications

Type	Auxiliary switch
Mounting	Front
Contacts	1 NO, 1 NC
Terminal Type	Spring-loaded
Series	3RH2
Compatibility	3RT2 contactors, 3RH2 contactor relays

Common applications

Control panels

Automation systems

Safety circuits

Motor control

Industrial machinery

Signaling

Compatible systems

Siemens 3RT2 contactors Siemens 3RH2 contactor relays

Also known as

Siemens 3RH29112FB11 3RH2911-2FB11 spring aux contact

Replaces / compatible with

This auxiliary switch adds 1 NO and 1 NC contacts to Siemens 3RT2 contactors and 3RH2 contactor relays, featuring convenient spring-loaded terminals for installation.

Technical note

Expert tip

The spring terminals on the 3RH2911-2FB11 ensure a consistent and vibration-resistant connection, making it a reliable choice for control circuits.

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Frequently asked questions

Can the Siemens 3RH2911-2FB11 auxiliary switch be installed without tools?

Yes, the Siemens 3RH2911-2FB11 auxiliary switch is equipped with spring-loaded terminals, allowing for quick and tool-free wire connections. This feature is especially useful for fast-paced installations or maintenance tasks.