China Hot Products It has various functions to prevent misoperation, including preventing the mobile handcart with load, preventing the closing position of the grounding switch from closing the circuit breaker, preventing the live closing of the grounding switch and preventing the live compartment from entering by mistake. Main technical parameters Rated voltage..................................40.5kV Rated frequency..................................50Hz Rated current of circuit breaker..................................1250~4000A Rated current of switchgear..................................1250~4000A Rated short-time withstand current (4S)..................................20 25 31.5kA Rated peak withstand current (peak)..................................50 63 80kA Rated short-circuit breaking current..................................20 25 31.5kA Rated short-circuit making current (peak)..................................5063 80kA Rated insulation level 1min power frequency withstand voltagePole-to-pole, pole-to-ground95kV Between open contacts110kV Lightning impulse withstand voltage (peak)Pole-to-pole, pole-to-ground185kV Between open contacts215kV IP code..................................IP4X IP2X Service conditions 鈼?Ambient air temperature: -15掳C銆?40掳C; 鈼?Relative humidity: Daily average 鈮?95%锛宎nd daily average of water vapor pressure < 2.2kPa; Monthly average 鈮?90%锛宎nd monthly average of water vapor pressure < 1.8kPa; 鈼?Altitude: ^ 1000m; 鈼?Seismic intensity: No more than 8 degree 鈼?Ambient air should be free of pollution of corrosive or flammable gas or vapor; 鈼?No obvious vibration; Company Introduction CertificateChina Hot Products website:http://www.setnelectrics.com/hot-products/
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