U48J21ZQE22

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Rocker switches, sometimes called rocker toggle switches, are among the most commonly used switches in electrical applications. The U48J21ZQE22 rocker switch is a SPST (Single Pole Single Throw) switch with an "on-off" contact arrangement. It is designed for panel mount applications and is available with a variety of actuator styles, including paddle and dimple.

The U48J21ZQE22 contact actuation type is momentary on-off, meaning that the contact switches from one position to the other when the paddle is activated. When the paddle is released, the contact returns to its starting position. The electrical life of this switch is over 10,000 cycles, making it quite robust.

This rocker switch can be used in a wide range of applications, from lighting and sound control to HVAC and other industrial process controls. It is also used in many consumer-facing products such as computers, game systems, mobile phones, and audio equipment. In these applications, the rocker switch is typically linked to a microcontroller, which interprets the switch function and sends instructions to other components.

The U48J21ZQE22 rocker switch\'s working principle is based on the switching action of its contacts. Each rocker switch consists of two sets of contacts – one that opens the circuit when pressed and one that closes the circuit. When the paddle is pressed, the contact closes, completing the circuit. When the paddle is released, the contact opens and the circuit is broken. The contact actuation force needed to engage or disengage the switch is clearly marked on the device.

In addition to the on-off switching action of the U48J21ZQE22 rocker switch\'s contacts, the rocker switch includes a built-in LED indicator. The LED functions as an on/off visual indicator for easy identification of the switch\'s status. This feature eliminates the need for discrete indicators, making the rocker switch a space-saving device. Additionally, the rocker switch can be used in switching a single circuit or in a multi-circuit application, making it a very versatile switch.

The U48J21ZQE22 rocker switch\'s robust construction and variety of actuator styles make it an ideal choice for a wide range of applications. Its momentary on-off contact arrangement and built-in LED indicator make it easy to use and visualize, while its single- and multi-circuit switching capabilities make it extremely versatile. This rocker switch is an invaluable component for any electronic circuit.

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