DDG Primary Current Injection Test Set is suitable for current load test and temperature rise test on various circuit breakers, switchgears, CT/PT and others electric equipments. DDG Primary Current Injection Test Set is widely used in pow

DDG Primary Current Injection Test Set is suitable for current load test on various circuit breakers, switchgears, CT/PT and others electric equipments. DDG Primary Current Injection Test Set is widely used in electric power, hydraulic pow