H3FA-A-DC24

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Time Delay Relays are relays used to operate electrical circuits after an interval of time. Time Delay Relays are used to delay the on or off signal of an electric circuit. They are used for a variety of applications such as controlling a cooling fan or opening and closing a valve. The H3FA-A-DC24 is a Time Delay Relay commonly used in industrial applications.

The H3FA-A-DC24 is a solid-state, two-position, adjustable delay-on-make and adjustable delay-on-break time delay relay. It is made of a high-power metal oxide semiconductor, which provides reliable operation in a wide range of operating temperatures. It is designed to be used in AC and DC applications, and the time delay can be adjusted from 0.3 seconds up to 60 minutes.

The H3FA-A-DC24 is an application-specific Time Delay Relay, most commonly used to control the motor of an electric pump or to modify the speed of electric motors. It has two adjustable controls: a delay-on-make adjustment (DOM), which gives the user the ability to set a time period from 0.3 seconds up to 60 minutes for when the relay will be ON; and a delay-on-break adjustment (DOB), which allows the user to set the time period from 0.3 seconds up to 60 minutes for when the relay will be OFF.

The working principle of the H3FA-A-DC24 is simple. When the input signal is given, the relay is turned ON and the delay-on-make timer begins counting. When the input signal is removed, the relay is turned OFF and the delay-on-break timer begins counting. When the timer reaches the set time delay, the relay is either OFF if the delay-on-break timer was active, or ON if the delay-on-make timer was active. The relay will remain in this state until the input signal is given again.

In conclusion, the H3FA-A-DC24 is a versatile Time Delay Relay with adjustable delay-on-make and delay-on-break settings. It can be used in AC/DC applications to control the motor of an electric pump or modify the speed of electric motors. It is easy to use and reliable and works by counting down from a set time delay when the input signal is given or removed from the relay.

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