12kV 31.5kA Earthing Switch (JN15)

1. General description
    JN15-12 / 31.5 series indoor high voltage earthing switch is an international advanced 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