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Time Delay Relays

FA155 Application Field and Working Principle

Time Delay Relays are electronic devices used in a wide variety of applications to provide a timed delay to the switching of a circuit. FA155 is one kind of time delay relay. It has higher endurance and the reliability is high. And it can be used in many fields, such as light, tractors, ships and so on.

Working Principle

Time Delay Relays use a built-in timer circuit or "shifter," which controls when the relay will be engaged. When the relay receives the appropriate input, the timer starts counting down a predetermined amount of time. Once the timer reaches zero, the relay will open or close the circuit. The amount of time the timer will count down can be adjusted by the user.

Application Field

FA155 can be used in many fields, such as

1. Light. It can control the duration of lighting and provide a delay at startup.
2. Tractors. It can be used for time-delay functions such as horn starting, engine starting and shut-down and speed control.
3. Ships. It can be used for engine starting, cabin lighting, gas release and discharge functions.
4. Heavy machinery. It can be used to control the speed of heavy machinery, and to control other time-delay functions.
5. Automotive. It can be used to control fan, seat adjustment, temperature and other functions in automotive applications.

The use of time delay relay FA155 increases the safety, efficiency, and reliability of operations. It is important to ensure that these relays are set up properly, and that they are being used in the right application.

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