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FAQ- How to replace an SPD

Publication Date:  2014-10-29 Views:  358 Downloads:  0
Issue Description
 How to replace an SPD?
1) Switch off the circuit breaker 1QF corresponding to the SPD inside the ATS power distribution cabinet.

2) Check that no voltage can be monitored at the SPD power input terminals L1, L2, L3, and N by using a multimeter.

3) Switch on the circuit breaker 1QF after checking that the circuit is normal.