The products accord with standard IEC60044-8, GB/T20840.8-2007, and can meet customer’s other special requirement. The products use Rogowski winding to test current, mainly used in ≤ 20kV switchgear, match with electric instrument, digital measure and protective equipment, can at the same time realize multi-functions such as measure, control, protection and data transmission etc, secondary open circuit can not produce high voltage.
Main techinical parameter
1. Rated primary voltage : 20kV
2. Rated primary current : 50-2000A
3. Rated secondary voltage : 4V(measure)，200mV(protective)
4. Rated digital output : 0x2D41(measure)   0x01CF(protective)
5. Accuracy for measure winding : 0.2
6. Accuracy for protective winding : 5P20
7. Rated frequency : 50Hz
8. Rated insulation level : 24/65/125kV
9. Rated short time thermal current : 50-200A: 150Ipr, 300-2000A :31.5kA/1S
10. Rated dynamic current : 50-200A :375Ipr, 300-2000A :80kA
11. Ambient temperature : -5℃ -40℃ (indoor), -25℃-50℃(outdoor)
12. Ambient humidity : ≤RH95%(25℃ )
13. Altitude : ≤ 2000m (Can devise according customer’s requirement)

14.   Installation site : indoor/ outdoor