2-1472973-2

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Time Delay Relays are a type of specialized electromechanical relay that has been designed to control an electrical circuit based on a predetermined time interval. An example of this type of relay is the 2-1472973-2 which is designed to be used for applications where a precise and repeatable timing sequence is required. In order to understand how this type of relay works and the type of applications it could be used for, it is important to understand how it is designed and how this relates to its field of application.

The 2-1472973-2 is an AC solid state time delay relay. The relay is powered by either an AC voltage source or an AC current source, and the time delay of the relay is adjustable from 0.1 second to 10 minutes. The relay\'s internal circuitry is designed to sense when a specified threshold voltage or current is reached, which activates the relay and sets it into the time delayed position. This position stays active until the specified time delay period has elapsed, and then the relay reverts to its off position. The relay also has a built in overload protection feature which prevents it from being damaged by excessive current.

The 2-1472973-2 is primarily suited to applications where precise and repeatable time delay sequences are required. It is often used in motor control and industrial automation systems to manage the timing of events, such as the start and stop of motors and the timing of process sequences. It can also be used in electronics and electrical design to control the timing of circuits and to protect components from over current or voltage. The adjustable time delay of the 2-1472973-2 makes it especially useful for applications where the timing requirements may need to be adjusted in the future, or in systems where the timing requirement may change due to external conditions such as temperature or pressure.

The working principle of a time delay relay is relatively simple. As mentioned, its internal circuitry is designed to sense an incoming voltage or current, which then activates the relay and sets it into the time delayed position. The time delay period is determined by the input signal – a higher voltage or current will cause the relay to activate faster and a lower voltage or current will cause it to activate slower. Once this time delay period has elapsed, the relay then reverts to its off position. This cycle then repeats itself until the power source is disconnected.

In summary, the 2-1472973-2 is a solid state time delay relay which is primarily suited to applications where precise and repeatable time delay sequences are required. Its adjustable time delay makes it ideal for use in motor control and industrial automation systems or in electronics and electrical design to control the timing of circuits. Its working principle is based on sensing incoming voltage or current, which then activates the relay and sets it into the time delayed position until the specified period has elapsed.

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