SCR & VFD Electric System Repair and Spare Parts Supply DC-SCR ZJ40D, ZJ50D, ZJ70D (ROSSHILL type) AC-VFD ZJ40DB, ZJ50DB, ZJ7DB (ABB & SIEMENS) MCC 750HP-3000HP Land Rig and 250HP-1000HP Truck Mounted Rig: Electrical Supply System: Plug, Ex-proof Light, Electric cable, Breaker, Control box etc.
