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The role of time relay

release time:2020-03-09

To put it simply, it belongs to a type that starts from receiving an input signal (that is, when the coil is powered on or off), and outputs a signal after a preset time delay (contact closing or opening action) Of the relay. Time relays are generally used in relatively low voltage or current circuits, which play the role of turning on and off higher voltages or currents, just like providing an electric switching device for automatic control of the circuit. Time relay symbol As shown in the figure below (left is the power-off delay, right is the power-on delay).

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