H3JA-8A AC100-120 1S

Time Delay Relays

The term “time delay relay” is used to describe a variety of delayed actions which can be performed by an electronic device. Most time delay relays consist of a sensing element, a timer unit, and a reset switch that is either manually or automatically operated. The sensing element detects an input signal from a switch or a circuit, the timer unit counts a preset time after the input signal is detected, and the reset switch activates a delay when the timer reaches zero. In the case of H3JA-8A AC100-120 1S, its application field and working principle are as follows.

Application Field of H3JA-8A AC100-120 1S

The H3JA-8A AC100-120 1S time delay relay is broadly applicable in terms of operation and can be used to control the operation of the contactors, solenoids, motors, relays or other electromechanical controls. Used in single-phase AC power circuits, the H3JA-8A AC100-120 1S time delay relay provides many functions such as timer on, timer off, brightness control, virtual time delay and replacement, etc. The timer can be set as the start time, stop time and total time, making it a versatile device.

Working Principle of H3JA-8A AC100-120 1S

When the input signal of the H3JA-8A AC100-120 1S is detected, the timer in the device begins to count from zero. When the timer reaches to the preset time, the timer starts the delay time and continues to count until the preset time is reached. When the timer reaches zero, the reset switch is able to reset the timer, and the timer will reset itself to the start time if the input signal is still present. This cycle will repeat itself if the preset time and the input signal remain unchanged.

If the input signal changes during the delay time, the timer will reset itself to the start time, and the timer will continue to count from the start time if the input signal is still present. This cycle will repeat itself if the preset time and the input signal remain unchanged.

In addition, the H3JA-8A AC100-120 1S time delay relay offers an adjustable time range, which enables the user to set the time according to their needs. The adjustable time range of the H3JA-8A AC100-120 1S can be 0.09~30s, 0.9~300s, 6~3600s, etc., and can be set via a potentiometer.

Conclusion

H3JA-8A AC100-120 1S time delay relay is widely applicable in operation and can be used to control the operation of contactors, solenoids, motors, relays or other electromechanical controls. The H3JA-8A AC100-120 1S time delay relay offers an adjustable time range, which enables the user to set the time according to their needs. Through its sensing element, timer, and reset switch, the time delay relay provides a variety of delayed actions which can be used for device protection, time scheduling, and other applications.