E211J21ZBE22

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Rocker Switches: E211J21ZBE22 Application Field and Working Principle

Rocker switches are usually found on standard layouts or printed circuit boards (PCBs). They are available in various configurations including single-pole and double-pole, momentary and toggle, and circuitry including SPST (single-pole/single-throw) and SPDT (single-pole/double-throw) types. The E211J21ZBE22 is an illuminated rocker switch designed to turn ON/OFF an electrical device.

Application Field

The E211J21ZBE22 illuminated rocker switch is typically used in industrial signaling applications. Specific applications include motor control, automotive, HVAC, and white goods.

Working Principle

The E211J21ZBE22 has two poles of contact--one typically being a common pole and the other being the switched pole. When press the rocker switch, the corresponding pole will close and send a signal to turn on/off the devices. The internal contacts are of the silver-cadmium oxide make-before-break type. The contact design provides reliable switching of high current capacitive loads.

The illuminated rocker switch is fitted with an LED panel that is lit when the switch is pressed in the ON position. The LED light can be of two types – either a steady light or a flashing light. This feature notifies the user when the appliance is connected to the switch.

The body of the E211J21ZBE22 is typically made from a strong and durable plastic which can resist wear from contact and is heat resistive to a certain degree as well. The length and width of the switch are 16 mm and 19 mm, respectively. Therocker switch is mainly used in factories, home appliances, waste processing, medical or medical equipment, equipment control, toys and other devices.

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