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27.5(55)kV High voltage outdoor isolating switch

 

 Product Introduction  
 

 Application

GW4-27.5(55) Isolating switch    Main Technical Parameter 

No.
Item
GW4-27.5(55)
1
Rated voltage     kV
27.5(55)
2
Rated current     A
630,1250,1600,2000
3
Rated short-time withstand current and time  kA/S
25/4
4
Rated peak withstand current  kA
63
6
lighting impulse withstand
voltage  kV
breaks
215(375)
To earth、Between
185(325)
7
1min.power frequency withstand voltage   kV
breaks
95(160)
To earth、Between
85(140)
8
Cut drag the capacitance current   A
8
9
Ice thickness   mm
10

 

railway
ZN□-27.5(2×27.5)Single-phase vacuum circuit breaker equipment

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