Product Description
Prime Mover PR 307644-000 Potentiometer Assembly
Precision control input potentiometer designed for electric lift truck steering, speed, and handle feedback applications. Features an industrial-grade Cermet track resistive element with stainless steel shaft and nickel-plated brass bushing for superior linearity, temperature stability, and extended service life. Direct replacement compatible with Raymond and Komatsu lift truck equipment.
Engineered for high-frequency actuation cycles in walkie and rider-type electric lift trucks, this potentiometer delivers reliable proportional control in demanding warehouse and material handling environments.
Specifications
Material
| Resistive Element Material | Cermet track, industrial grade |
| Shaft Material | Stainless steel, non-magnetic |
| Bushing Material | Nickel-plated brass |
| Body Material | Phenolic resin composite |
Part Numbers
| OEM Part Number | PR 307644-000 |
| Manufacturer Part Number | PM307644-000 |
| Supersedes / Replaces | 307644-000 |
| Cross-Reference Part Numbers | Raymond 307644-000, Komatsu 307644-000 |
Frequently Asked Questions
Q: What is the material composition of the resistive element in the PR 307644-000?
A: The PR 307644-000 uses an industrial-grade Cermet track resistive element. Cermet construction provides superior linearity and stability compared to carbon elements, with reduced temperature drift and extended life in demanding electric lift truck applications. The stainless steel, non-magnetic shaft resists corrosion.
Q: Is PR 307644-000 a superseding replacement for part number 307644-000?
A: Yes. The PR 307644-000 supersedes and replaces 307644-000. It is backward compatible with Prime Mover equipment originally equipped with the earlier part number. Cross-references include Raymond 307644-000 and Komatsu 307644-000, though physical fit must be confirmed before ordering.
Q: What bushings and terminals are used in this potentiometer?
A: The PR 307644-000 uses industrial-grade bushings designed for the controlled friction necessary in lift truck steering and speed feedback circuits. Terminal configuration and bushing material are specified for minimal friction while maintaining repeatable electrical output across 10,000+ actuation cycles in typical lift truck duty.
Q: Can the PR 307644-000 handle the duty cycle requirements of modern electric lift trucks?
A: Yes. The Cermet resistive element design supports high-frequency actuation cycles typical of electronic steering and proportional speed control in walkie and rider-type electric lift trucks. This potentiometer meets or exceeds OEM reliability standards for continuous operation in material handling environments.
Q: What are the key differences between PR 307644-000 and PR 307644-00?
A: The PR 307644-000 uses a Cermet track element for improved linearity and temperature stability, while the PR 307644-00 uses a carbon element. The PR 307644-000 offers longer lifespan and superior performance in high-frequency control circuits. Both share identical electrical ratings and are cross-referenced in Prime Mover catalogs.
Q: Is this potentiometer suitable for wet or cold storage environments?
A: The stainless steel shaft and sealed construction support operation in wet warehouse and cold storage conditions. However, verify that the mounting bushing and connector terminals are protected from direct liquid spray. The Cermet element is less sensitive to humidity than carbon designs and performs reliably across extended temperature ranges.