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Siemens 3RH2911-2XA31-0MA0 Front-Mount Auxiliary Switch - 3 NO/1 NC

Siemens 3RH2911-2XA31-0MA0 front-mount auxiliary switch with 3NO/1NC contacts.

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ManufacturerSiemens

Part number3RH2911-2XA31-0MA0

Contact Configuration 3 NO + 1 NC

Mounting Front

Terminals Spring-loaded

Compatibility 3RT2 Contactors, 3RH2 Contactor Relays

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3 Normally Open (NO) contacts 1 Normally Closed (NC) contact Spring-loaded terminals Front snap-on mounting For 3RT2 and 3RH2 devices

Product description

The Siemens 3RH2911-2XA31-0MA0 is a front-mounted auxiliary switch designed to expand the functionality of SIRIUS 3RT2 Power Contactors and 3RH2 Contactor Relays. This instantaneous switching module features a 3 Normally Open (NO) and 1 Normally Closed (NC) contact configuration. It incorporates spring-loaded terminal technology, enabling fast, vibration-proof, and maintenance-free wiring for seamless integration into industrial control systems.

This auxiliary switch is crucial for applications in motor control, automation systems, and control panel construction where additional contacts are needed for signaling, interlocking, or complex control logic. Its design ensures reliable operation and easy installation on compatible Siemens contactors and relays.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3RH2911-2XA31-0MA0. We provide quality components at competitive prices, backed by our commitment to excellent customer service and fast shipping.

Technical specifications

Contact Configuration	3 NO + 1 NC
Mounting	Front
Terminals	Spring-loaded
Compatibility	3RT2 Contactors, 3RH2 Contactor Relays
Series	SIRIUS 3RH29

Common applications

Motor control circuits

Industrial automation panels

Machine safety systems

PLC interface

Control system expansion

Compatible systems

Siemens 3RT2.1 Siemens 3RT2.2 Siemens 3RT2.3 Siemens 3RT2.4 Siemens 3RH21 Siemens 3RH24

Also known as

Siemens 3RH29112XA310MA0 SIRIUS Auxiliary Switch Block 3RH2911-2XA31 Auxiliary Contact

Replaces / compatible with

The Siemens 3RH2911-2XA31-0MA0 adds 3 NO and 1 NC auxiliary contacts to Siemens 3RT2 contactors and 3RH2 contactor relays.

Technical note

Expert tip

The spring-loaded terminal design of the 3RH2911-2XA31-0MA0 ensures a quick and secure connection, reducing installation time and maintenance requirements.

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Frequently asked questions

What is the contact configuration of the Siemens 3RH2911-2XA31-0MA0 auxiliary switch?

The Siemens 3RH2911-2XA31-0MA0 auxiliary switch has a configuration of 3 Normally Open (NO) and 1 Normally Closed (NC) instantaneous contacts, providing a balanced mix for control and signaling applications.