Earthing Switch 12kV (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.
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