This circuit breaker is mainly used in GIS. The product adopts a splint structure, which has the advantages of simple and convenient installation, reliable breaking performance, long service life, and maintenance-free. It is an ideal substitute for circuit-breakers for GIS. Product performance meets the requirements of GB1984-2014 "AC high voltage circuit breaker" E2-M2-C2 circuit breaker
Technical parameters of 24kV GIS circuit breaker
Rated short time withstand current
Rated peak withstand current
Rated short circuit duration
Rated short circuit closing current
Main loop resistance
1 min power frequency withstand voltage
Applying ambient condition of 24kV GIS circuit breaker
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”.
Outline drawing of 24kV GIS circuit breaker