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|Earthquake Intensity:||≤Magnitude 8||Rated Voltage:||7.2KV,12kV|
|Rated Transfer Current:||Up To 4000A||Breaking Current:||31.5KA|
Metal-enclosed Separate Type Distribution Cabinet , Indoor Electrical Switchgear
KYN28A-12 Metal-enclosed Separate Type Switch Facilities is a In-door Power Distribution System of AC 50Hz, Three Phase, with Single Busbar or Double Busbar, for the use of Connecting and Distributing 3-10Kv Net-Power, and to protect, control and monitor the Electric Circuit.
a. The Ambient temperature upper limit and lower limit are respectively +40°C and -40°C; (allowing storage and transportation at -30°C);
b. Altitude is not more than 1000m;
c. Relative humidity: daily average value should not be more than 95%, while monthly average value should not be more than 90% (+25°C);
d. Seismic intensity should be not more than 8°;
e. Places without fire, explosion risk, serious pollution, chemical corrosion and violent vibration.
|Rated Short-time Power Frequency Withstand Voltage(kV)||42|
|Rated Lightning Impulse Withstand Voltage (kV)||75|
|Rated Peak Withstand Current(kA)||≤100|
|4S Rated Short-time Withstand Current(kA)||≤40|
|Protect Degree||Out Shell IP4X, Cubicle and Door Open IP2X|