20KV中间接头(单芯、三芯)
20KV中间接头(单芯、三芯)
20KV冷缩中间接头具有绝缘性能,可以保护整个电路的安全稳定。
根据电缆构造不同,我们可以提供单芯、三芯两种中间接头,适用于电压级别为12kV-24kV的各种电力电缆。
图1
(1)单芯冷缩中间接头1-core indoor cold shrinking intermediate joint
型号规格
Type and specification
|
适用电缆截面积(mm2)Cross sectional area of applicable cable
|
JLS-20/1.1
|
35 - 70
|
JLS -20/1.2
|
95-150
|
JLS -20/1.3
|
185-300
|
JLS -20/1.4
|
400-630
|
图2
(2)三芯冷缩中间接头 1-core outdoor cold shrinking intermediate joint
型号规格
Type and specification
|
适用电缆截面积
(mm2)Cross sectional area of applicable
|
JlS-20/3.1
|
35 - 70
|
JlS-20/3.2
|
95-150 |
JlS-20/3.3
|
150-240
|
JlS-20/3.4
|
400-630
|
主要技术参数
项目ITEM
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测试条件
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湿态工频耐压试验(外)
West state power frequency withstard voltage test(external)
|
72kv,1min
|
干态工频耐压试验(内)
Dry power frequency voltage withstand test(inside)
|
51kv,5min
|
冲击耐压试验
Impact withstand voltage test
|
125kv1.2/50us 10次
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局部放电试验
Partial discharge test
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≤10pc(1.73U)
|
|