
(H) GW9-12 series outdoor high-voltage AC single-phase isolating switch (hereinafter referred to as "isolation switch"), for 10kV line to be exchanged under voltage and no load, as well as for high-voltage busbars, circuit breakers and other electrical equipment to be repaired Electrically isolated from live high voltage lines. The isolating switch complies with GB 1985-2014 "High Voltage AC Isolation Switch and Grounding Switch", DL/T486-2010 (High Voltage AC Isolation Switch and Grounding Switch) and other technical standards.
Technical Information
Technical Specification  | 
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Rated frequency  | 
  | Hz  | 50  | |
Rated voltage  | 
  | kV  | 12  | |
Rated current  | 
  | A  | 630(250)  | |
Rated short-time withstand current and duration  | kA/s  | 20(25)/4  | ||
Rated peak withstand current  | kA  | 50(63)  | ||
Rated short-time power frequency withstand voltage  | 
  | Interphase and ground (dry test)  | kV/min  | 42/1  | 
  | Fracture (dry test)  | kV/min  | 48/1  | |
  | Phase to ground (wet test)  | kV/min  | 30/1  | |
  | Fracture (wet test)  | kV/min  | 36/1  | |
 Lightning impulse withstand voltage  | 
  | Phase to ground  | kV  | 75  | 
  | Fracture  | kV  | 85  | |
Loop resistance  | 
  | μΩ  | ≤80  | |
Mechanical life  | 
  | Times  | 3000  | |
Pollution level  | 
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  | e Class  | |
Creepage distance  | 
  | mm  | ≥372  | |
  
Overall and installation dimensions
 
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