252KV HV Electrical Disconnect Switch With Earth Disconnector

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High Voltage Outdoor Isolator Disconnector Switch 252KV


Main Description:


GW38-40.5~252/630~4000 Type Disconnector Switch is good for reducing the distance and station arranging, especially for outdoor station.


Because of electric rod's self-rotation and switching structure and having self-locking function, it has strong property of motor performance resistance. Meanwhile, it can resist motor, wind pressure, earthquake and other outside power.


Technical Parameter:


1. 252kv voltage disconnector

2. We have 20 years exprience

3. Best price & Best quality


Parameter Table
No Items Technical parameter
1 Rated Voltage kV   72.5 126 252
2 Nominal system voltage kV   66 110 220
3 Rated current A 630;1250;1600;2000;2500;3150;4000
4 Rated Short Time withstand current and Time kA/s 25~50/4
5 Rated Peak withstand current kA 63~125
6 1min power frequency withstand voltage (effective value) kV To earth 140 230 460
To phase 140 2300 460
Across Isolating DS 180 230+70 460+145
7 Lightning Impulse wishstand voltage(peak value) KV To earth 325 550 1050
To phase 325 500 1050
Across Isolating DS 385 550+100 1050+150
8 Rated mechanical terminal load N Level of lateral load 750 1500 2000
Level of vertical load 500 1000 1500
Vertical 750 1000 1250
9 The min distance of insulation against ground mm   600 1000 2000
10 Max Man Operative Moment N. m 200
11 Motor Drive operating mechanism control voltage V AC220,380; DC110,220
12 Motor Drive operating mechanism motor voltage V AC220,380; DC110,220

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Hangzhou Yongde Electric Appliances Co.,Ltd
Yinghu Economy Developing Zone,undefined,undefined, Hangzhou, Zhejiang, China (Mainland)
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