312-3E

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Rotary switches are a form of electrical switch that is manually operated by the manual rotation of a dial or knob. They offer a large number of switching positions, which makes them ideal for applications that require a relatively large number of discrete electrical contacts. One of the most common types of rotary switch is the 312-3E, designed and manufactured by the leading switch manufacturer, C&K Components. The 312-3E is a highly versatile and reliable switch that has been designed for use in a wide range of applications.

The 312-3E has a standard three-pole, three-circuit design, which means that three electrical contacts are present for each of three individual circuits. It is also possible to use the 312-3E as a switch for four-pole, three-circuit designs, by connecting the two outer circuits together. Each pole of the switch contains a pair of metal contacts, called ‘make’ and ‘break’ contacts, which are connected via the central ‘collar’ of the switch. The make and break contacts are held together by a spring-loaded actuator, which can be rotated by turning the outer dial or knob.

The 312-3E has a wide range of applications. Commonly, it is used in an industrial setting, providing reliable switching between circuits in everything from lights and electric motors to control panels and other machinery. The switch can also be used in consumer electronics, such as portable radios, televisions and audio systems, as well as in audio-visual equipment. It is also frequently used in automotive applications, such as the Central Locking System, Power Windows, and Anti-theft alarm systems.

The 312-3E is designed to be extremely durable and reliable, and is rated to withstand up to 1 million operations. This makes it suitable for applications which may require frequent or heavy-duty use, without compromising on safety or reliability. The contacts of the 312-3E are also rated for currents up to 5 amperes, making it suitable for use in applications with high-power electric components. Additionally, it is designed to be dust and water-resistant, making it an ideal choice for use in demanding and harsh environments.

The working principle of the 312-3E is relatively simple. When the outer knob or dial is turned, the actuator is moved in such a way that the corresponding make and break contacts are connected or disconnected. This causes the circuit to either be open or closed, depending on the position of the switch. The 312-3E is designed to allow for a range of switching positions, depending on the number of contacts present and their placement in the switch. This allows for a range of switching configurations, making it an ideal choice for applications with a range of circuit requirements.

In conclusion, the 312-3E is a highly versatile, durable and reliable rotary switch. It is suitable for both industrial and consumer applications, offering reliable switching between circuits. The switch is designed to withstand up to 1 million operations, and is rated up to 5 amperes. Its simple working principle and range of switching positions allows it to be used in a wide range of applications, making it a reliable and robust choice for a range of switching needs.

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