ST21L4S4V40BEJ12

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Rocker switches are components that can open or close a circuit by pressing a rocker arm. They typically consist of a housing, internal mechanism and contacts which control the electric current. The ST21L4S4V40BEJ12 rocker switch is a type of special two-pole rocker switch which is used to control two independent circuits simultaneously. In this article, we’ll look at the application fields and working principles of the ST21L4S4V40BEJ12 rocker switch.

The ST21L4S4V40BEJ12 rocker switch is designed for use in high voltage and current applications. It is capable of switching up to 20A at 240VAC, making it perfect for powering various high-power applications. This rocker switch is also designed with an integrated illuminated green-colored LED light indicator, making it ideal for applications that require visual feedback.

The application fields of the ST21L4S4V40BEJ12 rocker switch are numerous and versatile. It is often used to control lighting and other electrical devices in both residential and commercial settings. It can also be used in industrial automation and control systems to turn on and off various processes. Additionally, it is also ideal for use in automotive and RV applications, allowing drivers to control the power of various accessories.

The working principle of the ST21L4S4V40BEJ12 rocker switch is quite simple. The rocker arm is connected to a pair of contacts which, when depressed, open and close the circuit. When the rocker arm is pressed, the contacts make contact, allowing electrical current to flow. When the rocker arm is released, the contacts separate, disposing of the electrical current.

The ST21L4S4V40BEJ12 rocker switch is a versatile device which is used in a variety of applications. From residential and commercial settings to industrial automation and control systems, this rocker switch is capable of meeting any need. With its high current and voltage ratings and its integrated LED indicator, this rocker switch is an ideal device for powering and controlling various devices.

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