Used in the AC electric system with voltage of 1.5kV, 3.6kV and 6kV, and frequency of 50/60 Hz, the QYK oil pump switchboard is ideal for the oil pump control device. This series is characterized of enclosure protection of IP53, manual and automatical operation, longer electric lifetime and mechanical lifetime without frequent maintenance for the composite structure, safety and reliability for the inner door insulating the high voltage room and low voltage room with safety interlocking device and application to IEC298 (1990) standard.