H3JA-8A 12VDC 1S

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Time Delay Relays are automatic switching devices that have a wide variety of applications. The H3JA-8A 12VDC 1S is one such device that has a single relay output. It can be used for various automation applications, such as for controlling motors, pumps, lights, and other related machinery.

The relay has two modes of operation, one of which is the delay-on mode, where the relay turns on after a preset delay period once the power has been applied. The second mode is the delay-off mode, where the relay turns off after a preset delay period once the power has been removed.

In the delay-on mode, the relay is triggered by applying a signal to the input. This signal could be either a 12 VDC power source or an open gate contact. Once the input signal has been applied, the delay period begins. The delay period can be changed using the timer knob, and it is adjustable from 0 to 190 seconds. Once the delay period has expired, the relay will switch on and stay on until the input signal is removed.

In the delay-off mode, the relay is triggered by applying a signal to the input. This signal could be either a 12 VDC power source or an open gate contact. Once the input signal has been applied, the delay period begins. The delay period can be changed using the timer knob, and it is adjustable from 0 to 190 seconds. Once the delay period has expired, the relay will switch off and stay off until the input signal is applied.

The H3JA-8A 12VDC 1S device can also be used for controlling machines that require a delay before starting up. This could include machines with high inrush currents, such as motors and pumps. By using the delay-on mode, the machine will not start up immediately, but instead will wait for a preset delay period before starting. This allows the machine to slowly come up to speed, thus reducing the surges in voltage and current.

In addition, the H3JA-8A 12VDC 1S device can also be used for controlling machines that require a delay before turning off. This could include machines that need to be cooled down before being switched off, such as lights and other types of machinery. By selecting the delay-off mode, the machine will be allowed to run for a preset delay period before being switched off. This allows the machine to cool down slowly and thus ensure that it has a longer lifespan.

The H3JA-8A 12VDC 1S device is a versatile and reliable time delay relay that can be used in a wide range of applications. It is user-friendly and easy to install, and allows you to control machines in various ways depending on your needs. Whether you need to delay the start-up, delay the shut-off, control inrush currents, or control machines that need to be cooled down before switching off, the H3JA-8A 12VDC 1S is the perfect choice for you.

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