The HJ-103A is a generator controller for diesel genset spare parts, power control components and industrial power generation equipment. Application Scenario: It is suitable for generator maintenance, standby power systems, rental fleets, service workshops and aftermarket replacement projects where reliable start, stop, monitoring and fault protection functions are required. Equipment Function: The panel-mounted controller integrates data display, control logic and generator unit parameter setting, supporting automatic or manual genset operation while helping operators respond to abnormal running conditions. Wiring Interface: The visible terminal layout includes B+/B-, flywheel voltage output, current transformer, generating input, fuel solenoid, start output, oil pressure, emergency stop, ATS negative signal, water temperature, remote start and an RS232 service port, helping technicians match the controller with the existing genset wiring harness. Compatibility Note: Buyers should confirm terminal definition, controller model, generator set design and engine control requirements before ordering, especially when replacing a failed or discontinued control panel. Procurement Value: As a B2B generator parts sourcing item, this controller supports maintenance inventory, service network supply, OEM/ODM cooperation and stable aftermarket procurement for diesel genset accessories, reducing sourcing complexity for repair teams, distributors and power equipment suppliers.
