Current Relay Diagram. Battery current saving relay. The phasor diagram of a meter test on the directional overcurrent 67 relay connected to circuit breaker 4 would look like the following.
21 not used. Overload relay wiring diagram. There are two popular types of ol relay which are thermal overload relay and electronic overload relay.
Note that each pin is numbered.
When energy is supply to the circuit through the control coil magnetic fields intensifies given the commencement of energizing. We also see that the current flow in line 1 is unchanged. Circuit diagram and working. 25 wiper speed relay.