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.

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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.
project Specification
model 3RA1924-1A
Product Type Mechanical interlocking device (for forward and reverse rotation)
Installation method Front installation
Applicable contactor specifications S0, S1, S2, S3
Applicable series 3RA1 / 3RT10 contactor
Product Status Production has ceased; the successor model is SIRIUS 3RA2.
net weight Approximately 0.054 kg
country of origin Czech Republic
RoHS conform to