C4D0212S-A

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Rotary switches are widely used in a variety of applications, from the simplest digital circuits to complex analog circuitry. The C4D0212S-A is an example of a rotary switch designed for applications where a precise and reliable switching operation is needed. To understand its application field and working principle, let us take a closer look at its construction and function.

Construction
The C4D0212S-A is a 12-way rotary switch that consists of a combination of a fine pitch, multi-way contact block, and a rotating disc. It has a contact cavity at the center of the contact block and 12 contact fingers that are laterally oriented and affixed to the back of the disc. The contact fingers are arranged in two sets of six points each, with a gap between the two sets. The contact cavity is divided into two sections, one with a narrow diameter and the other with a wider diameter.

Function
The function of the C4D0212S-A is to switch electrical circuits with twelve switching positions. It works by changing the closed and opened electrical paths when the knob on the rotary switch is moved. When the knob is rotated, the metal contact fingers shift, which enables or disables the electrical circuit at each position. The different values of the circuit parameters depend on the configuration of the electrical circuit.

Application Field
The C4D0212S-A is typically used in a variety of applications, including motor control, switching, power switching, audio switching, and multi-level control. It is suitable for applications requiring reliable and precise switching, such as those found in industrial and commercial equipment, as well as for home appliances, home automation, and instrumentation.

Working Principle
The working principle of the C4D0212S-A is relatively simple. As the knob is rotated, the contact fingers move, thus enabling or disabling the electrical circuit at each position. The operation is similar to that of a single-pole, single-throw switch. In addition, as the contact fingers move, they create a magnetic field, which amplifies the switch’s reliability and accuracy.

Conclusion
In conclusion, the C4D0212S-A is a high-performance rotary switch used for applications requiring precise and reliable switching operations. It is typically used in applications such as motor control, switching, power switching, audio switching, and multi-level control. Its working principle involves the movement of contact fingers as the knob is rotated, which changes the electrical circuit’s opened and closed paths. As such, the C4D0212S-A is a reliable and accurate solution for a variety of switching applications.

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