111-3T2

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Rotary Switches

A rotary switch is a switch operated by rotating a lever or a knob, which activates different contacts as the knob is turned. It is used as an alternative to toggle switches, push buttons and other switching systems.

The 111-3T2 rotary switch is a high performance 12 position rotary switch that offers flexibility and reliability in medium to high current applications. It is designed for a number of different uses, such as switching power, switching motor control and controlling other electrical circuits.

Application Field

The 111-3T2 rotary switch is suitable for many applications, including industrial, telecoms, scientific and medical, military, aviation and other demanding applications. It is used in a variety of different circuits and applications, such as power switching, motor controls, data acquisition, control systems, and other electrical and optical systems.

The 111-3T2 rotary switch is also suitable for applications that require a low contact resistance and a high level of shock and vibration protection. It is suitable for both AC and DC operation, with its contact material being specifically designed for use in both environments.

Working Principle

The 111-3T2 rotary switch consists of a rotating shaft, which is turned by a lever or knob, and several contacts arranged in a circle around the shaft. As the shaft is turned, the contacts are sequentially activated and deactivated, allowing for an appropriate current flow.

The current flow is generated by a stationary contact that is connected to the circuit, and a contact located beside the shaft, which moves alongside it. This allows for a low contact resistance, and prevents a spark from being generated when the contacts are switched.

The rotary switch is made up of two separate elements; the stationary contact and the contact carrier. The stationary contact is connected to the circuit, and is responsible for the low contact resistance, while the contact carrier is responsible for the electrical conduction.

The two contacts are separated by a gap that is filled with a dielectric material. This prevents the two contacts from coming into direct contact, and ensures that no electrical current can pass between them.

The 111-3T2 rotary switch also has a number of safety features, including a swivel-locking mechanism, which prevents the shaft from being moved accidentally. It also has a positive voltage-breaking element, which prevents any current from flowing through the contacts when the switch is off.

Conclusion

The 111-3T2 rotary switch is a high performance device that is suitable for many different applications. It has a low contact resistance, offers a high level of shock and vibration protection, and is suitable for both AC and DC operation. Its swivel-locking mechanism prevents the shaft from being moved accidentally and the positive voltage-breaking element prevents any current from flowing through the contacts when the switch is off.

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