Shut-off relay for Grove cranes

The 9333101648 shut-off relay serves as an electrically controlled switch within the safety and control systems of Grove cranes. It regulates the flow of current to critical circuits, enabling or interrupting power based on control signals. This component is designed for 12V electrical systems and is used to manage functions such as engine ignition, auxiliary power circuits, or safety system activation. By responding to these signals, the relay ensures that specific machine operations are engaged or disengaged as required by the crane control logic.

This component is manufactured by Bosch and is specified for use in Grove crane applications. It operates using an internal electromagnetic coil and a set of contacts. When the coil is energized with 12V, it generates a magnetic field that moves an armature to open or close the circuit. This mechanism allows the relay to control higher-load circuits through a lower-voltage control signal, which is a standard requirement for managing various electrical subsystems in heavy equipment.

Relays of this type function as remote switches that protect sensitive control electronics from the higher currents required by motors or other power-consuming components. They are essential for maintaining the operational integrity of the crane electrical architecture, ensuring that safety systems and power distribution respond accurately to operator inputs or automated safety triggers.