High-voltage switchgear main technical parameters include: rated current, rated voltage, rated frequency, rated power-frequency withstand voltage, rated lightning impulse withstand voltage. Circuit breaker rated short-circuit breaking current, rated closing peak current, rated short-time withstand current, rated peak withstand current. Earthing switch rated closing peak current, rated short-time withstand current, rated peak withstand current. Operating mechanism closing and opening coil rated voltage, DC resistance, power, energy storage motor rated voltage, power, enclosure protection level and the national standard number it complies with.



