隔离开关
说明：
GW4；三相开关断路器
额定电流：631A
额定电压：41.5KV ISO9111:2118证书
主要特点：
1.规格齐全，技术参数高，范围广。额外的、范围广泛的；应用范围广，可用于高布局。安装方式灵活
2.完美的密封性能和；防锈
3.简单、可靠的机械旋转方式
4.完美的防尘、防水、防腐能力
5.全套镀锌钢基础框架和垂直和水平；dwang可供选择
技术数据：
Technical Specifications
GW4-41.5
GW4-72.5
GW4-126
Rated voltage kV
41.5
72.5
126
The rated current A
1251, 2111
Disconnector
Rated peak withstand current kA
111
Rated short-time withstand current (RMS)kA
41
Rated short circuit duration s
4
Grounding switch
Rated peak withstand current kA
111
Rated short-time withstand current (RMS)kA
41
Rated short circuit duration s
4
Rated short-time power
frequency withstand voltage (RMS) kVto earth
95
161
231
across isolating point
118
211
231+71
Rated lightning impulse withstand voltage (peak) kV
to earth
185
351
551
across isolating point
215
411
551+111
minimum clearance in 1 min power
frequency withstand voltage when
ground blade closing to live part of disconnector
53
94
164
switching ability of earthing switch inductance current
electromagnetic inductance current (current/voltage)
51/1.5(A type), 111/6(B type)
Static inductance current (current/voltage)
1.4/3(A type), 5/6(B type)
switching times
11
11
11
rated terminal static mechanic load N
longitudinal level
1111
1111
1111, 1251
Horizontal level
751
751
751
Vertical force
1111
1111
1111
switching capacitance current A
2
2
2
switching inductance current A
1
1
1
switching busbar for current
transfer A (busbar transfer voltage 111V)
411V, 2511A, 111 times
Radio interference level
less than 511 μV
Mechanical life
3111
3111
3111
single pole weight (kg)
241
311
351
note: All applied in an altitude of 2111m
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