The JLSZV-10KV high-voltage power metering box, a manufacturer's model, is an improved version of similar products. It is suitable for outdoor AC power systems with a rated frequency of 50HZ and a rated voltage of 10KV for measuring active and reactive energy. It is an ideal replacement for the old oil-immersed products. 
Dry-type high-voltage metering box, 10KV combined voltage transformer, three-element metering device
