PTD901-2025K-B102

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Rotary Potentiometers, Rheostats, are widely used in many fields, such as electric power, automobiles, electronics and medical equipment. PTD901-2025K-B102 is one of the potentiometers in this family, which is widely used in industrial electric relay equipment and electromagnetic control relays. This article will mainly introduce the application field and working principle of PTD901-2025K-B102.

Application field

PTD901-2025K-B102 is mainly used in electromagnetic control relays, such as high-voltage relay, low-voltage relay, over-current relay, under-voltage relay, hybrid relay and other protective relays. It also can be used in motor speed control and feedback control. PTD901-2025K-B102 is a kind of taper resistance potentiometer, with high accuracy, good repeatability and stiffness. It is a reliable and effective potentiometer with small lock-off force and high life expectancy, suitable for extreme temperature environment and dust-tight application.

Documentation

Documents available with PTD901-2025K-B102 include mounting hardware, installation manuals and user manuals. Information regarding wiring, operation and maintenance are also included, which should be followed to ensure proper operation and maintenance of the equipment.

Mechanism and working principle

The PTD901-2025K-B102 is a rotary potentiometer, consisting of a three-pin terminal in its center, a rotary shaft and a rotating dial. It has a diameter of 8mm and a normal range of 0~20,000Ω. When the rotary shaft is turned, the resistance of the potentiometer will change correspondingly. As the dial rotates, some of the resistance is transferred to the other terminals of the potentiometer, forming a voltage divider with adjustable resistance. This voltage divider interacts with the Resistance/Voltage/Current to deliver a precise signal to the load.

PTD901-2025K-B102 is designed with a polyphenylene sulfide rotor to ensure smooth rotation with accurate positioning. The rotary dial is marked on the periphery in order to measure the resistance value accurately and conveniently. The bearing stainless steel shaft and pointer are able to withstand the operating environment temperature with a wide range of -40°C ~ 125°C, and the potentiometer can with stand a maximum power of 0.5W. It is also designed with a dustproof seal, which is helpful in climate control and dust protection.

Protection components such as fuses and varistor are equipped to avoid excessive current and voltage from being applied to the potentiometer, which helps to protect the potentiometer and ensure the stability of the system during operation.

Conclusion

PTD901-2025K-B102 is a kind of rotary potentiometer with plenty of application fields, such as electromagnetic control relays and motor speed control. It comes with mounting hardware, installation manuals and user manuals, together with a polyphenylene sulfide rotor and stainless steel shaft and pointer to ensure smooth operation, accurate positioning and high precision. It also features dust-proof seals, protection components and wide operating temperature to make the system reliable and stable while in use.

The specific data is subject to PDF, and the above content is for reference