MRJB112

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Rotary switches are devices designed to control the flow of electricity in a circuit by turning a knob to move a contact between various points. The MRJB112 is a single pole, double throw switch designed for extended service in many applications. It is available in different configurations and has numerous contact options.

The MRJB112 is rated for 7.5 amps at 250 volts and includes a variety of actuator styles. It is a single-pole, double throw (SPDT) switch, so it is capable of switching between two circuits in an electrical system, allowing for current to be cut off or redirected. The switch contacts are made from silver alloy, making it highly resistant to corrosion, although the contacts may need to be cleaned periodically for optimal performance.

The body of the MRJB112 is constructed from die-cast zinc for durability and strength, and the switch lever is assembled with a plastic bush to ensure smooth operation. It features a three-pin forced-guide terminal connection, which allows for a secure connection to its power source.In addition, the actuator is designed to prevent accidental operation, making it safe and easy to use.

The MRJB112 switch is typically used in industrial applications, such as ventilation systems, motor controls, security equipment and lighting controls. It is also used in automotive systems, allowing signals to be sent to different components. Its popularity also owes to its ability to reduce wiring and simplify various systems.

The working principle of a rotary switch is relatively simple. When the knobis turned, it acts as a lever and moves a contact between an upper and lower terminal. This movement alters the connection, either allowing or preventingelectricity from flowing from the lower terminal to the upper terminal, depending upon the switch contact operation. The rotation of the knob also changesthe contact setting in order to increase or decrease resistance in an electric circuit.

Rotary switches are an indispensable part of many systems and provide a low-cost and reliable alternative to other types of switches. The MRJB112 is reliable, robust and offers a wide range of configurations to suit the needs of almost any application.

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