3RA1924-1A
3RA1924-1A is a front-mounted mechanical interlocking device, fixed to the front of the contactor, covering specifications from S0 to S3. It is used in forward and reverse starter panels to prevent two contactors from operating simultaneously and causing a short circuit.
Product Positioning
The 3RA1924-1A is a mechanical interlocking device from the SIRIUS series. It is front-mounted and fixed to the front of the contactor assembly. It covers specifications from S0 to S3 and provides mechanical interlocking protection for forward and reverse starter panels.
Core Product Advantages and Features
Front installation design
It is directly fixed to the front of the contactor, and has a compact structure.
Mechanical interlock protection
This eliminates the risk of both contactors engaging simultaneously in both forward and reverse directions.
Wide range of specifications
A single series can accommodate contactors of sizes from S0 to S3.
Simple structure
No additional wiring is required; the interlocking function is achieved through a mechanical means.