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Siemens 3RH1921-2XA22-0MA0 Front Auxiliary Switch Block

Siemens front auxiliary switch block with 2 NO + 2 NC contacts.

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ManufacturerSiemens

Part number3RH1921-2XA22-0MA0

Contact Configuration 2 NO + 2 NC

Mounting Type Front-Side

Terminal Type Spring-type

For Use With Siemens 3RT1 Contactors

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 NO + 2 NC contacts Front-side mounting Spring-type terminal Designed for 3RT1 contactors Expands control functions

Product description

The Siemens 3RH1921-2XA22-0MA0 is a front-side auxiliary switch block featuring 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. It is equipped with spring-type terminals for secure and efficient wiring and is specifically designed for use with Siemens 3RT1 contactors. This auxiliary switch enhances the control and signaling capabilities of the associated contactors.

This auxiliary switch is essential for expanding the functionality of Siemens 3RT1 contactors, enabling additional control logic, status feedback, and interlocking functions in industrial automation systems. Its direct front-side mounting ensures easy integration and maintenance within control panels.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RH1921-2XA22-0MA0. We provide reliable industrial automation components to ensure your operations continue seamlessly. Trust Stanlo Automation for your critical spare parts and experience dependable service.

Technical specifications

Contact Configuration	2 NO + 2 NC
Mounting Type	Front-Side
Terminal Type	Spring-type
For Use With	Siemens 3RT1 Contactors

Common applications

Motor Control

Industrial Automation

Control Panels

Signaling

Interlocking

Compatible systems

Siemens 3RT1 Contactors

Also known as

3RH19212XA220MA0, Siemens 3RH1921-2XA22-0MA0, 3RH19212XA220MA0 Siemens

Replaces / compatible with

This auxiliary switch is designed for the Siemens 3RT1 series of contactors. For newer systems, consider the successor SIRIUS 3RH2 series.

Technical note

Expert tip

The spring-type terminals on the 3RH1921-2XA22-0MA0 ensure a reliable and vibration-resistant connection, crucial for maintaining signal integrity in industrial control applications.

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Frequently asked questions

What is the primary function of the Siemens 3RH1921-2XA22-0MA0 auxiliary switch block?

The Siemens 3RH1921-2XA22-0MA0 auxiliary switch block adds additional control and signaling contacts to Siemens 3RT1 contactors. It provides 2 NO and 2 NC contacts, allowing for more complex control logic and feedback within industrial automation systems.