12kV Earthing Switch, JN15-12/31.5

1. General description
    JN15-12 / 31.5 series indoor high voltage earthing switch is an international advanced high performance earthing switch produced by our company with advanced technology. The structure is assembled, and its performance complies with GB1985-2004 《AC high voltage isolating switch and earthing switch》. And IEC62271-102:2002, applicable to indoor 3 ~ 12kV three-phase AC 50 (60) Hz power system; It has the ability of short-circuit closing to protect other electrical equipment in the switchgear from damage. It can be used together with various high-voltage switchgear as the earthing protection during the maintenance of high-voltage electrical equipment.

2. Environmental conditions

• Upper limit of ambient air temperature: + 40 ℃ lower limit: - 20 ℃;

• The altitude shall not exceed 1000m. If it needs to exceed 1000m, please indicate it when ordering;

• The daily average value of relative humidity shall not be greater than 95%, and the monthly average value shall not be greater than 90%;

• The earthquake intensity shall not exceed 8 degrees;

• Pollution level: ll.

3. Main technical parameters