PTR902-1220F-B103

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Rotary Potentiometers and Rheostats are two devices often used in power supply systems to adjust the current or voltage flowing through a circuit. They are both controlled with rotating knobs, but their applications and working principles are quite different. The PTR902-1220F-B103 is an example of a device that acts as both a potentiometer and a rheostat.

A potentiometer is an electrical device that has three terminals through which an electrical current flows. It uses a resistive element, such as a ceramic or wire-wound track, and a movable contact that is attached to a rotating shaft, known as the potentiometer ‘wiper’. As the user rotates the shaft, the contact slides along the resistive element at a specific rate. This provides a variable resistance to the circuit, and can be used to control the current or voltage passing through according to the user’s needs.

The PTR902-1220F-B103 is a high voltage, 40kV potentiometer. It features a wiper module with a rotary knob that can be adjusted from 0-100% with a turn of the knob. The device measures 30mm in length and has a 5-digit code printed on the front. It is designed to control the voltage passing through a circuit, with a maximum adjustable range of 6kV.

A rheostat is a device that uses a resistive element similar to a potentiometer, but with only two terminals. The user adjusts the current or voltage flowing through the circuit by rotating the knob, which controls the position of a variable resistor. This allows the user to regulate the current flowing through the circuit according to their needs.

The PTR902-1220F-B103 is a 50A power rheostat. It features a low-profile design with a rotary knob adjustable from 0-100%. The device measures 150mm in length and has a 5-digit code printed on the front. It is designed to limit the current flowing through a circuit, with a maximum adjustable range of 35A.

The PTR902-1220F-B103 offers a variety of applications. It can be used to adjust the power in domestic electrical appliances, as well as in laboratory experiments, motor speed control, tension control of power instruments, arc welding machines, and more. It is also suitable for use in high-voltage and high-current circuits.

In summary, the PTR902-1220F-B103 is a versatile device that can be used as both a potentiometer and a rheostat. It can be used to adjust the current or voltage passing through a circuit and is suitable for a variety of applications.

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