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Electrical Safety Low Voltage Isolator for Lightning Protection System

Electrical Safety Low Voltage Isolator for Lightning Protection System

Brand Name : YONGDE
Model Number : GW4-40.5
Certification : ISO9001
Place of Origin : Zhejiang,China(Mainland)
MOQ : 1pcs
Price : negotiation
Payment Terms : T/T or western Union or L/C or PayPal, MoneyGram, D/P, D/A
Supply Ability : 1,000pcs per month
Delivery Time : 21days per container
Packaging Details : wooden case
Standard : IEC 62271-102: 2005 IEEE Std C37.30-1997
Apply to : Power distribution equipment
Application : AC system
Max. Current : 650A
Max. Voltage : 126KV
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Electrical Safety Low Voltage Power Station Isolating Switch Isolator for Lightning Protection System

GW4 Isolator Switch Description:

This type disconnector is a kind of HV outdoor electric equipments used in three-phase AC 50Hz electrical system . It is used for swithing-on/off the HV circuit when there is no load in the circuit in order to charge or transfer the circuit and also dissconnect the current with the bus bar , breaker or any other HV electrical equipments when overhauling the circuitry .


NoItemsTechnical parameter
1Rated Voltage kV40.5121820
2Nominal system voltage kV35101520
3Rated current A630;1250;1600;2000;2500;3150;4000
4Rated Short Time withstand current and Time kA/s25~50/4
5Rated Peak withstand current kA63~125
61min power frequency withstand voltage (effective value) kVTo earth95/85424565
To phase95/85
Across Isolating DS118535579
7Lightning Impulse wishstand voltage(peak value) KVTo earth18575105125
To phase185
Across Isolating DS21085120145
8Rated mechanical terminal load NLevel of lateral load500500500500
Level of vertical load250250250250
9The min distance of insulation against ground mm400
10Max Man Operative Moment N. m200
11Motor Drive operating mechanism control voltage VAC220,380; DC110,220
12Motor Drive operating mechanism motor voltage VAC220,380; DC110,220

GW4 Isolator Switch Drawing:


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low voltage disconnect switch


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