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Explain about relays..
Can we give both AC and DC to the same relay...
How it is energising..
Explain its working..
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Answer Posted / g ramakrishna
relay is the device which is used to trip the contactor when the fault occurs.it has no and nc points.by using this points it will trip the circuit.the power supply is transmitted through nc point of realy to the coil of contacter. whenever the fault occurs the nc point of realy opens the circuit and trips the circuit
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