Ross Hill & Hill Graham AC & DC Module Repair
Ross Hill & Hill Graham AC & DC Module Repair DC Module Testing, Calibration and Repair AC Module Testing, Calibration and Repair AutoSync Module Testing, Calibration and Repair FR Module Testing, Calibration and Repair

Tested in the UK using purpose-built simulators which allow accurate calibration and testing of all parameters and protection circuits. Internal module modifications undertaken, including the addition of special circuit boards for enhanced functionality.

Replacement Hill Graham Controls Circuit Boards (PCBs)
Replacement Hill Graham Controls Circuit Boards (PCBs) Battery Charger PCB (P378T) Logic Indicator MK II PCB (P382T) Power Limit MK II PCB (P383T) MV Triple Firing Board (P561T)

Other Circuit Boards

P368TAuxiliary Console PCBP363TVoltage Feedback PCB
P359TGenerator Exciter PCBP362TContactor Auctioneering PCB
P375TDrillers Console PCBP394TAuxiliary Motor Control PCB
P396TSCR Auxiliary PCBP346TMotor Speed PCB
P378TMonitor PCB P417TRotary Table Regulator PCB

Important Notice

As of June 17th 2021 Contrelec Limited shall not be accepting new business

All enquiries: sales@contrelec.co.uk