5 Pin Relay Working. How to test a relay. When the circuit of the relay senses the fault current, it energises the electromagnetic field which produces the temporary magnetic field.
We have been working with many customers for decades. The other two contacts n/c and the n/o form the associated complementary pairs of relay terminals or the pin outs which alternately get connected and disconnected with the central relay pole in response to the coil activation. When the electromagnet is applied with some current it induces a magnetic field around it.
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Rollover/tap the icons below for further details: Relay works on the principle of electromagnetic induction. In this article, we will show what resistance readings you should get when you measure various points of a relay. This magnetic field moves the relay armature for opening or closing the connections.