3RA1921-1DA00§Link module Electrical and mechanical for 3RV2.1/3RV2.2 and 3RT2.1 AC and DC operation (individual unit packaging)
The Siemens SIRIUS 3RA1921-1DA00 is an electrical and mechanical connection module used to connect the 3RV2.1/3RV2.2 motor protection circuit breaker and the 3RT2.1 contactor (AC/DC operation) to quickly form an S00/S0 load feeder. It is packaged individually and weighs approximately 0.03 kg.
Product Positioning
The 3RA1921-1DA00 is a Siemens SIRIUS connection module that directly combines a motor protection circuit breaker and a contactor into a load feeder, eliminating the need for wiring between the two.
Core Product Advantages and Features
Electrical and mechanical connection
Simultaneously, the electrical connection and mechanical fixation of the main circuit are completed, resulting in rapid and stable assembly.
Compatible with 3RV2/3RT2
Applicable to 3RV2.1 and 3RV2.2 circuit breakers with S00 size 3RT2.1 contactors.
Both AC and DC operation are possible.
Both AC and DC coil contactors can be used.
Single packaging
It facilitates small-scale procurement and spare parts management as needed.