P&H
Contactor for P&H 100/25 ton crane
This Size 5 contactor with a 230/240V DC coil is designed for use in P&H 100/25 ton cranes. It manages power circuits for motor control and features mechanical interlocking for operational safety.
Specifications
- Part number
- 7004MG
- Brand
- P&H
The 7004MG contactor functions as an electromagnetic switching device within the power control systems of heavy machinery. It serves to establish or interrupt high-current electrical circuits, facilitating the starting and control of electric motors used in crane operations. This unit is designated as Size 5 and incorporates a 230/240V DC coil to energize the power contacts. The mechanical interlocking feature ensures that specific contactor states are maintained, preventing simultaneous engagement of opposing circuits.
This component is compatible with P&H 100/25 ton cranes and is manufactured by Square D, referenced as 70046MG0-1. It is designed to handle the electrical demands of motors responsible for hoisting, slewing, and travel functions. The unit operates within established NEMA standards for current capacity and circuit protection.
Contactors are used in industrial equipment to provide remote switching of large electrical loads. By using a low-voltage control signal to energize the internal coil, the contactor closes the main power contacts to feed the motor. This separation of control and power circuits allows for safe operation of high-voltage systems from the operator station.