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Insulation DC Relay Non-Live
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KRM161-DC Series![]() Brand: Megacon
Model: KRM161-DC
KRM161-DC monitors resultant insulation level between a non-grounded non-live DC network and its protective earth. The trip level is preset at factory and relay will operate when insulation is below trip level after a delay of 2-5 seconds. Relay is fail-safe and energises when powered. Link terminal 15 and 16 to make a non-latching relay. KRM161-DC unit injects a DC voltage signal into the monitored network and measure the earth leakage flow to the ground. Only one unit can be connected to each isolated system. Terminal 1 and 2 must be disconnected when network is powered |