The Sigma A-XT Abort Switch connects to the Abort terminals of the Sigma A-XT releasing panel. Any number of Sigma A-Si Abort Switches may be connected to the circuit.

The last switch must have the end-of-line device from the Abort circuit terminals of the Sigma A-XT releasing panel fitted across its connections to provide open and short
circuit supervision.

The unit is supplied mounted to a steel enclosure but may also be flush mounted to a single gang electrical box.


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