Isuzu / Hitachi Construction Machinery Dedicated 24VDC Stop / Shutdown Control Relay,

Classification: Engine Stop/Shutdown Control Relay (Medium-to-Low Power, Specialized Control Type).

Key Information:

Model: 5‑82550‑030‑0 (Common Abbreviation: 5825500300)

Formal Name: Stop Relay / Shutdown Relay

Voltage: 24VDC

Compatibility:

◦ Isuzu Engines: 4JB1, 4LE1, 4LE2, 6BG1, 4BD1, 4BG1, 6UZ1, 6SD1, etc.

◦ Hitachi Excavators, Forklifts, and other construction machinery.

Function: Controls the engine stop/shutdown circuit; when energized, it activates the shutdown motor/solenoid valve to cut off fuel supply and halt the engine. Classified as a specialized control relay; *not* a starter or safety protection relay.

Structure: Plastic housing, 5-pin configuration, includes mounting bracket. OEM manufactured by JIDECO; features a vibration-resistant design specifically for construction machinery applications.