Ключевые слова:
Switchgear, Electrical equipment, Electric control equipment, Low-voltage equipment, Low voltage, Control equipment, Circuit-breakers, Electrical testing, Endurance testing, Short-circuit current tests, Rated power, Rated voltage, Circuit properties, Capacitance, Clearance distances, Leakage paths, Fuses, Temperature-rise limit, Classification systems, Performance, Type testing, Earth-leakage circuit-breakers