Limit switch for P&H 15 ton crane

The limit switch 79Z976D1 functions as an electromechanical device that detects the position of moving components within the crane assembly. By identifying when a mechanism reaches a predetermined point, the switch sends an electrical signal to the control system to manage or halt movement. This component is used to monitor critical areas such as hook travel limits, boom movement, or slewing angles to maintain operational boundaries.

This part is compatible with P&H 15 ton cranes and is also referenced by the number 79Z9760-1. It consists of an actuator and an electrical contact housing designed to integrate with the crane control circuitry.

Limit switches serve as safety devices in heavy machinery by preventing over-travel of mechanical systems. They act as sensors that trigger an automatic stop when a component reaches its maximum allowable distance or angle, which helps protect the equipment from structural damage or operational hazards. These switches are typically mounted at strategic points where precise position detection is required for the safe operation of the machine.