Earthing ground switch 12KV 31.5KA JN15 from JUCRO Electric
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.
2. Applicable environment
2.1 Altitude should not exceed 1000 m
2.2 The ambient temperature: -25℃~ +40℃
2.3 The seismic intensity should not exceed 8 degree.
2.4 Relative humidity should not exceed 95%, monthly average value should not exceed 90%.
2.5 Pollution degree: Ⅱ
Main technical parameters
Rated short-time withstand current
Rated short-circuit duration time
Rated making current
Rated withstand current(peak value)
Pole to pole distance
Rated insulation level
withstand voltage(1 min)
To earth, phase to phase