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| | China Hot Products (20th Mar 23 at 1:00am UTC) | | 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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