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Siemens 3ra1921-1aa00 AC Link Module for Contactor Assemblies

Siemens 3ra1921-1aa00 AC link module for 3RV1/3RT1 contactors.

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ManufacturerSiemens

Part number3RA1921-1AA00

Type Link Module

Function Electrical and Mechanical Interconnection

Compatibility 3RV1.21, 3RT1.2

Operation AC

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CAGE: 9NK75

Electrical Linkage Mechanical Linkage For 3RV1.21 & 3RT1.2 AC Operation Contactor Assembly Component

Product description

The Siemens 3ra1921-1aa00 is an electrical and mechanical link module designed for use with 3RV1.21 and 3RT1.2 series contactors, specifically for AC operation. This module enables the creation of reversing contactor assemblies by providing synchronized electrical and mechanical connections between devices.

This link module is critical for applications requiring reliable motor reversing control, ensuring that both contactors operate in tandem safely and effectively. It is widely used in industrial motor control circuits.

As a veteran-owned surplus parts distributor, Stanlo Automation offers specialized components like the Siemens 3ra1921-1aa00. We are committed to helping you find the parts you need to keep your industrial operations running smoothly.

Technical specifications

Type	Link Module
Function	Electrical and Mechanical Interconnection
Compatibility	3RV1.21, 3RT1.2
Operation	AC

Common applications

Reversing Contactor Assemblies

Motor Control

Industrial Automation

Control Panels

Manufacturing Equipment

Compatible systems

Siemens 3RV1.21, 3RT1.2 (AC Operation)

Also known as

3RA19211AA00 Siemens Contactor Link AC SIRIUS Link Module

Replaces / compatible with

This is a phased-out product. The preferred successor is SIRIUS 3RA2921-1AA00.

Technical note

Expert tip

This module is essential for building reversing applications with 3RV1.21 and 3RT1.2 contactors in AC circuits, ensuring proper mechanical and electrical interlock.

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Frequently asked questions

What is the intended use of the Siemens 3ra1921-1aa00 link module?

The Siemens 3ra1921-1aa00 is an electrical and mechanical link module used to create reversing contactor assemblies with 3RV1.21 and 3RT1.2 contactors operating on AC power.