PDB181-E420K-204A2

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Rotary Potentiometers, Rheostats are widely used in many areas. Among them, PDB181-E420K-204A2 is one of the most popular devices. This article focuses on the application field and working principle of PDB181-E420K-204A2.

PDB181-E420K-204A2 is a kind of rotary potentiometer and a type of rheostat device, with two series of contacts that can be adjusted to adjust the voltage or resistance. It is a rheostat used to adjust or control current flow. In addition, it can also be used to measure voltage, current, power, and other parameters. It can be applied to many electronic devices, instruments, and equipment, such as wattmeters, multimeters, and electronic regulators.

The working principle of PDB181-E420K-204A2 is based on the change of electrical resistance. This device contains two series of contacts, which are connected to each other in a three-terminal system. When the knob is turned, the resistance between the two contacts is changed, thus changing the current controlling the load, and the voltage or resistance can be adjusted. With this function, it can be widely used in energy-saving control, motor speed control, etc.

In conclusion, PDB181-E420K-204A2 belongs to the category of Rotary Potentiometers and Rheostats. It is a rheostat that can be used to measure voltage, current, power, adjust the voltage or resistance, as well as for energy-saving control and motor speed control. The working principle is based on the change of electrical resistance caused by the turning of the knob.

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