12kV Air Insulated Switchgear with Draw-Out Vacuum Circuit Breaker

FEATURES
  • Modular construction
  • Extensible
  • Small installation area
  • Easy to operate
  • Operated exclusively from the front
  • Internal arc resistant
  • Equipped with vacuum circuit breaker with increased mechanical and electrical life
  • Several optional equipment available
  • Reduced maintenance and increased reliability
  • Racking-In and racking-out of MV breaker behind arc-proof doors

Electrical Data

Rated voltage: 12 / 17.5 kV

Insulation level

Lightning impulse (1.2/50 µs) : 75 / 95 kV peak
Power frequency (50 Hz/ 1 min) : 28 / 38 Hz kVrms
Rated frequency: 50 Hz
Rated current : 630 ~ 3150 A
Breaking current : 25/40 kArms
Making current : 63/100 kAp
Rated short-time current : 25 for 3s/40 for 3s kArms

Mechanical characteristics

Protection degree :IP4X (others on request)
Standard colour : RAL 7035 (others on request)

Normal service conditions

Ambient temperature : basic:-5..+40°C, options:-10.. +55 °C

Dimensions (2LBS+1CB)

Height : 2150 mm
Depth : 1560 mm
Width : Upto 1250A, 25kA – 600 mm
Upto 1600A, 25kA – 750 mm
Upto 1250A, 1600A, 40kA – 750 mm
Upto 2000A, 2500A, 25kA & 40kA – 850 mm
Upto 3150A, 25kA & 40kA – 1000 mm