It is a two position load break switch special for the GIS. The product is a rotary blade structure, and the arc extinguishing grid is used for arc extinguishing. It is reliable and have good insulation and breaking performance. Product performance meets the requirements of GB1985-2004 "High Voltage AC Isolation Switch and Grounding Switch" E3-M2 Class Isolation Switch.
Technical parameter of two position load switch
Rated short time withstand current
Rated peak withstand current
Rated short circuit duration
Rated short circuit closing current
Main loop resistance
Applying ambient condition
1. Altitude above sea level: no more than 2000m, earthquake intensity not exceed 8 degrees.
2. Ambient temperature: Max. Temperature: +50℃, Min. Temperature: -45℃. Average relative humidity daily: ≤95%, average relative humidity monthly: ≤90%.
3. It should be installed in condition without obvious dust, fire, chemical erosion, explosion, vapor and salt spray.
4. Rated SF6 gas pressure: 0.04mPa. SF6 gas meets the requirements of GB/T 12022-2014 “Industrial SF6"
Overall outline drawing of two position load break switch