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JN15-12KV

Vacuum Circuit Breaker

JN15-12 series indoor high voltage earthing switch is a compositional type, and the technical parameters is corresponding to the requirements of IEC62271-102:2002. It is applicable for three-phase power system of 3-12kv, AC 50HZ. It can be used together with many types high voltage switchgear as a earthing protection unit.

777
ItemUnitData
Rated voltageKV12
Rated short-time withstand currentKA31.5
Rated short-circuit duration timeS4
Rated making currentKA80
Rated withstand current(peak value)KA80
Pole to pole distancemm150,210,230,250,275
Rated insulation levelPower frequency

withstand voltage(1 min)

KVTo earth, phase to phase42,48
777-1
Model No.LEC
JN15-12/31.5-210655210516
JN15-12/31.5-230710230556
JN15-12/31.5-250760250596
JN15-12/31.5-275810275646
  • Altitude should not exceed 1000 m
  • The ambient temperature: -25℃~ +40℃
  • The seismic intensity should not exceed 8 degree.
  • Relative humidity should not exceed 95%, monthly average value should not exceed 90%.
  • Pollution degree: Ⅱ