Product Description

Siemens SIRIUS Link Module Electrical and Mechanical for 3RV2.1/3RV2.2 & 3RT2.1 – 3RA1921-1DA00

Product Description

The Siemens SIRIUS Link Module – 3RA1921-1DA00 is an electrical and mechanical connection accessory designed for easy integration of Siemens 3RV2 motor starter protectors and 3RT2 contactors. It provides a compact and reliable connection solution for building complete motor starter combinations with reduced wiring effort.

The 3RA1921-1DA00 link module is suitable for connecting 3RV2.1 / 3RV2.2 motor circuit breakers with 3RT2.1 contactors and supports AC and DC operation. It is designed for S00 and S0 size devices and provides a secure mechanical and electrical connection between protection and switching components.

This Siemens SIRIUS accessory is widely used in motor starter assemblies, MCC panels, industrial automation systems, control panels, and OEM machine-building applications where compact and efficient motor control solutions are required.

At SB Smart, we supply genuine Siemens SIRIUS motor control accessories, contactors, motor protection devices, and industrial automation products with competitive pricing, technical support, bulk order assistance, and fast PAN India delivery.

Key Features

• Genuine Siemens SIRIUS 3RA19 Link Module

• Electrical and mechanical connection module

• Designed for 3RV2.1 / 3RV2.2 and 3RT2.1 devices

• Suitable for AC and DC operation

• Compatible with S00 and S0 size components

• 3-pole connection design

• Reduces panel wiring complexity

• Provides secure contactor and motor protection integration

• Compact industrial design

• Reliable Siemens quality

Applications

• Motor Starter Assemblies

• MCC Panels

• Industrial Control Panels

• Machine Automation Systems

• OEM Electrical Panels

• Factory Automation Systems

• Motor Protection Applications

• Industrial Equipment Control

• Electrical Distribution Panels

Benefits

• Simplifies motor starter assembly installation

• Reduces wiring time and panel space requirement

• Provides reliable connection between contactor and circuit breaker

• Improves system reliability

• Minimizes installation errors

• Supports compact control panel design

• Enhances maintenance efficiency

• Suitable for industrial automation applications

Why Buy from SB Smart?

• 100% Genuine Siemens Products

• Competitive Industrial Pricing

• Expert Technical Support

• Bulk Order Assistance

• Fast PAN India Delivery

• Secure Packaging

• Trusted Industrial Electrical Supplier

• GST Invoice Available

• Responsive Customer Support

Frequently Asked Questions (FAQs)

Q1. What is Siemens 3RA1921-1DA00 used for?

The 3RA1921-1DA00 is a link module used to electrically and mechanically connect Siemens 3RV2 motor circuit breakers with 3RT2.1 contactors for motor starter applications.

Q2. Which Siemens products are compatible with this link module?

It is designed for Siemens 3RV2.1 / 3RV2.2 motor starter protectors and 3RT2.1 contactors.

Q3. Does this link module support AC and DC operation?

Yes, the 3RA1921-1DA00 supports AC and DC operation.

Q4. Where is this Siemens link module installed?

It is commonly installed in MCC panels, motor starter assemblies, automation panels, and industrial control systems.

Q5. Does SB Smart supply genuine Siemens 3RA1921-1DA00?

Yes. SB Smart supplies genuine Siemens SIRIUS products with competitive pricing, technical support, and reliable industrial product solutions.