P&H
Collector ring for P&H 25
This collector ring facilitates the transmission of electrical power and control signals between the stationary and rotating sections of P&H 25 machinery.
Compatible models
Specifications
- Part number
- 22100P391-3
- Brand
- P&H
The collector ring, part number 22100P391-3, is an electromechanical component designed to enable the continuous transfer of electrical power or control signals between a stationary base and a rotating assembly. In heavy machinery such as cranes, this component allows the superstructure to rotate freely while maintaining a consistent electrical connection to the motors, cabin controls, and other systems mounted on the rotating platform. It utilizes a series of conductive rings and brushes to establish contact, ensuring a steady flow of current during operation.
This component is compatible with P&H 25 equipment. It is designed to integrate into the electrical systems of cranes where the superstructure rotates on the chassis, preventing cable entanglement during full-circle rotation. By providing a reliable interface, it supports the operation of critical functions including swing motors and control instrumentation.
Collector rings serve as the primary link for power distribution in rotating machinery. By maintaining electrical continuity between fixed and moving parts, they prevent the twisting of cables that would otherwise occur during rotation. Regular inspection of the contact surfaces and brushes is standard maintenance to ensure consistent conductivity and to prevent interruptions in the power supply to the rotating superstructure.

