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Product Name:Outdoor H.V. Disconnector
System Voltage:12~40.5kV
Application Place:Distribution System
Product Structure:Horizontially-rotated 
Insulation Coating:Porcelain(GW4D)

Item Unit GW4D-12(W)/1250-31.5   GW4D-40.5(W)/1250-31.5  
Rated Voltage kV 12 40.5
Lightning Impulse Withstand Voltage kV Phase to earth 110
             to break 125
Phase to earth 185
             to break 215
1min Power Frequency Withstand Voltage kV Phase to earth 50
            to break 60
Phase to earth 95
          to break 118
Rated Frequency Hz 50 50
Rated Current A 1250 1250
Rated Short-time Withstand Current and Continuous Time kA/s 31.5/4 31.5/4
Rated Peak Withstand Current kA 80 80
Main Circuit Resistance μΩ ≤140μΩ ≤120μΩ
Creepage Distance mm ≥420 ≥1256
Mechanical Operating Times time >3000 >3000
Usage Life year ≥40 ≥40
Weight  kg 60 108
Dimension:L*W*H mm×mm×mm 700×220×680 1165×380×910

Shanghai Electric Porcelain Works Co., Ltd
Add: No.729, Chengjiang Rd., Minhang Dist., Shanghai, P.R.China Zip:200241   Email:sepw@sepw.com.cn  
 Tel:021-64343295    Fax:021-64345735   ICP: No.09053323-1   Web Designer:12EC.CN