7022BB Industrial Controls

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Time Delay Relays are a type of electromechanical circuit used to set a timer within a circuit to control when a device is activated or deactivated. The 7022BB is one of the most popular time delay relays in the market and has a broad range of applications.

The 7022BB is a small, versatile and cost-effective device that works with AC or DC voltage. Its primary purpose is to provide short-term time delay circuits on or off, along with other advanced functionalities. These include: non-volatile memory for storing pre-set parameters and increasing circuit reliability; adjustable time delay settings; change over contact outputs ensuring safety; and triggered input contacts so that the time before the output is activated or deactivated is determined by the trigger.

The 7022BB time delay relay opens or closes the circuit at a predetermined time. Its applications include providing latency in the on/off timing of a circuit, delaying the opening of a contactor in motors, providing backup intervals for pumps, and providing a timed off-delay in latching circuits.

The 7022BB has a very simple working principle. When the trigger is first engaged, the time delay begins. Once the time delay completes, the output turns on or off. This occurs through the use of a transistor and capacitor which create a controlled time delay set by the user. The transistor acts as a switch to turn on and off the output, while the capacitor is used to store the energy needed for the triggering to occur.

The 7022BB is a highly reliable and easy to use time delay relay with a variety of applications. It can be used to control many different types of circuits, including latching circuits, control panels, motor control, and timer circuits. It is ideal for applications where a long time delay is required and reliability is of the utmost importance.

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