412-3T3E

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Rotary switches are switches that are used to provide a physical means of choosing between a number of electrical functions or settings. The 412-3T3E is an omnidirectional, rotating switch featuring 4 contact positions, with a black body, grey spoke, and red rotation indicator.

Applications

The 412-3T3E rotary switch, due to its versatile design, has several applications. Primarily, it is used as a three-way switch, as the indicator provides simple and easy control of electrical circuits. Some notable applications include providing adjustable speed control in electric motors, changing the value of resistance for a light dimmer switch, and providing adjustable voltage for power supplies.

Working Principle

The 412-3T3E rotary switch operates on the principles of a tumbler lock. When the switch knob is turned to each position, its rungs act as electrical contacts. As the various contacts connect through the switch, they create a particular configuration of electric pulses. It then generates a signal that is synchronized to match the position of the knob on the switch, allowing the user to vary the electrical current being used.

Conclusion

The 412-3T3E is a multi-application rotary switch that can be used in a variety of settings. The switch operates on the principles of a tumbler lock, allowing users to easily vary the electrical current being used while providing a number of potential applications. It is well-suited for providing adjustable speed control, light dimmer switches, and adjustable voltage.

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