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Siemens 3RH2911-2GA04 Front Mount Auxiliary Switch - 4 NC

Siemens 3RH2911-2GA04 Front Mount Auxiliary Switch

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ManufacturerSiemens

Part number3RH2911-2GA04

Contact Configuration 4 NC

Mounting Front

Terminal Type Spring-loaded

Coding Physically coded

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Four Normally Closed (NC) Contacts Spring-loaded Terminals Physically Coded for Correct Installation Front Mountable SIRIUS Series

Product description

The Siemens 3RH2911-2GA04 is a front-mountable auxiliary switch designed to expand the functionality of Siemens 3RH2140 and 3RH2440 contactor relays. It features four normally closed (NC) contacts, ideal for signaling and control applications within industrial automation systems. The switch utilizes spring-loaded terminals for secure and efficient wiring, and its physical coding ensures correct installation, preventing wiring errors.

This auxiliary switch is crucial for applications requiring additional control points, such as in safety circuits, interlocking functions, or status feedback to PLCs. It is commonly used in motor control centers, control panels, and various industrial machinery where reliable auxiliary switching is essential.

Source your Siemens 3RH2911-2GA04 from Stanlo Automation, a veteran-owned distributor committed to providing high-quality surplus parts. We offer competitive pricing and reliable service, ensuring you get the components you need to keep your operations running smoothly.

Technical specifications

Contact Configuration	4 NC
Mounting	Front
Terminal Type	Spring-loaded
Coding	Physically coded
Compatibility	Siemens 3RH2140, 3RH2440
IP Rating	IP20

Common applications

Control Panels

Motor Control

Safety Circuits

Industrial Automation

PLC Feedback

Relay Control

Compatible systems

Siemens 3RH2140 Siemens 3RH2440

Also known as

Siemens SIRIUS 3RH29 Auxiliary Switch 3RH2911-2GA04 Auxiliary Contact

Replaces / compatible with

This auxiliary switch is specifically designed for use with Siemens 3RH2140 and 3RH2440 contactor relays, adhering to EN 50011 standards.

Technical note

Expert tip

Ensure proper physical coding for correct installation, as this switch is exclusively combinable with Siemens contactor relays 3RH2140 and 3RH2440 as per EN 50011.

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Frequently asked questions

What type of contacts does the Siemens 3RH2911-2GA04 auxiliary switch have?

The Siemens 3RH2911-2GA04 auxiliary switch features four normally closed (NC) contacts. These contacts are used to open a circuit when the associated relay or contactor is energized.