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Can ground fault or other relays be used with medium voltage HVL/cc switches?

Overcurrent relays should not be used with switches in general. Undervoltage or phase unbalance relays are acceptable. Ground fault relays should not be used with a switch unless the ground fault current is limited to 400A by a grounding resistor. Relays can be used for indication only and not for tripping the switch.

CTA-ID : 2032814
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