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Siemens 3RH2911-1XA31-0MA0 Front Aux Switch - 3 NO, 1 NC

Siemens 3RH2911-1XA31-0MA0 front auxiliary switch with 3 NO and 1 NC contacts.

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ManufacturerSiemens

Part number3RH2911-1XA31-0MA0

Type Auxiliary switch

Mounting Front

Contacts 3 NO, 1 NC

Terminal Type Screw

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Front mounting 3 Normally Open (NO) contacts 1 Normally Closed (NC) contact Screw terminals High signaling capacity For 3RT2/3RH2 series

Product description

The Siemens 3RH2911-1XA31-0MA0 is a front-mounted auxiliary switch designed for the 3RT2 contactor and 3RH2 contactor relay series. This unit offers a high density of signaling contacts, featuring 3 Normally Open (NO) and 1 Normally Closed (NC) contact. It utilizes screw terminals for robust electrical connections.

This auxiliary switch is ideal for applications requiring multiple signaling outputs and a single break contact for control interlocks or status monitoring. It is widely used in motor control centers, building automation systems, and complex machine controls in industries such as automotive manufacturing and infrastructure.

Stanlo Automation, a veteran-owned business specializing in industrial automation surplus, provides the Siemens 3RH2911-1XA31-0MA0. We ensure you receive dependable components to maintain your critical systems.

Technical specifications

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

Common applications

Motor control centers

Building automation

Machine control

Signaling systems

Industrial automation

Automotive manufacturing

Compatible systems

Siemens 3RT2 contactors Siemens 3RH2 contactor relays

Also known as

Siemens 3RH29111XA310MA0 3RH2911-1XA31-0MA0 aux contact block

Replaces / compatible with

This auxiliary switch expands the control and signaling capabilities of Siemens 3RT2 contactors and 3RH2 contactor relays with its 3 NO and 1 NC contact configuration.

Technical note

Expert tip

The 3RH2911-1XA31-0MA0 is designed for straightforward front mounting, simplifying installation and integration with compatible Siemens contactors and relays.

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Frequently asked questions

What is the primary use of the Siemens 3RH2911-1XA31-0MA0 auxiliary switch?

The Siemens 3RH2911-1XA31-0MA0 auxiliary switch is primarily used to add multiple signaling contacts (3 NO) and a break contact (1 NC) to Siemens 3RT2 contactors and 3RH2 contactor relays, enabling more complex control and monitoring functions.