TDUSH3001A

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Time Delay Relays

Time Delay Relays are devices used to trigger or complete an electrical circuit at predetermined time intervals. They utilize an array of timing functions, which can be predetermined or externally controlled. The TDUSH3001A model is one example of such relays and has been found to be a reliable, low cost solution for many applications.

TDUSH3001A Application Field

The TDUSH3001A model is often used in applications that require a short time interval between triggering and completing a circuit, along with a reliable source of both current and voltage control. Generally, these relays are used in industries where a short time delay is needed in applications such as commercial, aerospace, hazardous, military and medical. In addition, these relays have been found suitable for safety-critical applications due to the reliable timing mechanism.

TDUSH3001A Working Principle

The TDUSH3001A model contains a timer within the relay body, which can be set between 0 and 10 seconds. When trigger voltage is applied, the timer starts to count down from the time set. When the timer reaches zero, the relay closes the circuit. The relay is also capable of resupplying the trigger voltage without resetting the timer. When the voltage is interrupted, the timer resumes from the current count.

The timer is powered by an internal capacitor, which is charged by a low voltage current source. Furthermore, the relay has a maximum continuous current rating of 1A, and a minimum switching power rating of 4W. Additionally, the relay can be reset by an external reset source or by pressing the reset button located at the top of the relay body.

Conclusion

The TDUSH3001A is a high-performance, low-cost time delay relay. Whether used in commercial, aerospace, hazardous, military or medical applications, the TDUSH3001A provides reliable timing functions with extended operating lifespan. The timer is powered by an internal capacitor, which is charged by a low voltage current source, and can be set to a maximum of 10 seconds.

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