P&H
Contact set for P&H CX-25976
This contact set is designed for the electrical control systems of P&H overhead crane models CX-25976 and CX-25977. It facilitates the switching of electrical current to drive motors for hoisting and travel functions.
Specifications
- Part number
- 79H168
- Brand
- P&H
The contact set 79H168 is a component used within the electrical control systems of P&H overhead cranes. Its function is to establish or interrupt the flow of electrical current to the crane motors, which enables the starting, stopping, and reversing of the motor direction. These contacts are integrated into contactors or power relays that manage the hoisting, trolley movement, and bridge travel functions of the crane.
This component is compatible with P&H overhead crane models CX-25976 and CX-25977. It is designed to meet the electrical specifications required for the control circuits of these specific industrial machines. Proper installation ensures that the motor control system operates as intended during the movement of heavy loads in industrial environments.
In heavy machinery, contact sets function as the primary switching interface within a contactor. When the coil is energized, the contacts close to complete the circuit, allowing power to reach the motor. Conversely, they open to break the circuit and stop the motor. Over time, the repeated opening and closing of these contacts under electrical load can lead to surface wear, necessitating replacement to maintain consistent electrical continuity and prevent control system malfunctions.