17/30352666 DC

Impulse voltages, Transformers, Temperature-rise limit, Electrical measuring instruments, Electromagnetic compatibility, Environment (working), Electrical testing, Mechanical testing, Partial discharges, Instrument transformers, Grades (quality), Dielectric measurement, Electrical insulating materials, Overvoltage tests, Withstand voltage, Type testing, Performance testing, Marking, Accuracy, Electrical equipment, Capacitance measurement, Impulse-voltage tests, Windings, Rated voltage, Electrical insulation, Electric enclosures, Rated current, Electrical measurement, Ratings, Leakage paths, Temperature, Classification systems