China XUCKY Electric customize GW-12 Outdoor AC HV Disconnect Switch (disconnect switch for short hereunder) is used in electric power system with rated frequency 50Hz, rated voltage 12KV, is mainly for making or breaking circuit under line supplying voltage in outdoor high voltage distribution system equipment. Thereof anti-pollution type disconnect switch can effectively solve the filth flash during operation so as to meet the requirements of users in heavily polluted area.
GW-12 Outdoor AC HV Disconnect Switch (disconnect switch for short hereunder) is used in electric power system with rated frequency 50Hz, rated voltage 12KV, is mainly for making or breaking circuit under line supplying voltage in outdoor high voltage distribution system equipment. Thereof anti-pollution type disconnect switch can effectively solve the filth flash during operation so as to meet the requirements of users in heavily polluted area.
Environmental Conditions
♦ Altitude: ≤1000m (above sea level);
♦ Ambient temperature: -30℃~+50℃;
♦ Wind pressure ≤ 700Pa(equal to speed 35m/s);
♦ Degree of polluted air: IV;
♦ Earthquake intensity: not exceed degree 8;
♦ The thickness of covering ice≤10mm;
♦ No fire, explosive danger, heavy pollution and chemical erosion as well as no serious vibration.a
Main Technical Parameters of GW-12 Outdoor AC HV Disconnect Switch
NO.
Item
Unit
Value
1
Rated voltage
kV
12
2
Rated current
A
630
3
Rated frequency
Hz
50
4
Rated withstand current (peak value)
kA
50, 63
5
Rated short time withstand current
kA
20, 25
6
Rated duration of short time withstand current
S
4
7
Main circuit resistance
μΩ
≤110
8
1min power frequency withstand voltage (RMS)
phase-to-phase, phase -to-earth/ across the open contacts
dry
kV
42/48
9
wet
34
10
Lighting impulse withstand voltage (peak)
phase-to-phase, phase -to-earth/ across the open contacts
kV
75/85
11
Mechanical life
Times
2000
Overall Dimensions (unit: mm)
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