711-3

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Rotary switches, or rotary cam switches, are electromechanical devices used to control electricity flow in a circuit. They can be used to switch components on and off, to switch between different voltages and currents, and to adjust the resistance in a circuit. The most common rotary switch is the 711-3, which is found in a variety of applications.

711-3 rotary switches consist of a central component, the rotor, and an outer component, the stator. The rotor is made up of four contact terminals, three of which are typically connected to three separate circuits while the fourth terminal is used as a common connection. The stator contains a movable plate that is attached to a cam, which is driven by an external source like a micro switch. When the cam is turned, it rotates the plate, which in turn rotates the contact terminals of the rotor. This causes the contacts to open and close, providing control over the current flow in the three separate circuits.

One common application for 711-3 rotary switches is in electrical motors. When the cam is turned, the contacts of the rotor change position and adjust the current to the motor, increasing or decreasing its speed. Other applications include use in lighting systems, telecommunications systems, and industrial controls. These switches are also popular in industrial applications such as controlling the level of fluid in a tank, or controlling the position of a valve.

The working principle of 711-3 rotary switches is based on the principle of electromechanical control. As the cam is turned, it rotates the plate connected to it, which in turn causes the rotor\'s contact terminals to open and close. The opening and closing of the contacts creates an electrical current. The current then passes through the external circuit, controlling the level of voltage, current, or resistance in the circuit.

711-3 rotary switches are reliable and versatile components that are used in a variety of applications. They provide a simple and effective way to control current and voltage for a wide range of applications. The simplicity of their design and operation make them cost effective and easy to install. With proper care and maintenance, they will provide dependable service for many years.

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