VF-12R central fixed vacuum load switch-fuse combination|Hongtuo Transformer Co., Ltd

summary:

VF-12R mid-mounted solid-sealed vacuum load switch – fuse combination appliance (hereinafter referred to as vacuum switch) is a new generation of vacuum switchgear developed according to the design concept and market demand. It is widely used in indoor armored air-insulated switchgear, and it complies with the provisions of GB3804-2004 GB16926-1997 and other standards.

VF-12R central fixed vacuum load switch – fuse combination can ensure safe and reliable operation in the power grid with corresponding voltage level as long as it is within the technical parameters of vacuum switch under normal use conditions.

Normal use environment:

1. Ambient temperature: temperature+40 ℃, temperature - 25 ℃;

2. Ambient humidity: daily average relative humidity: ≤ 95%, monthly average relative humidity: ≤ 90%;

3. Daily average saturated vapor pressure: ≤ 2.2x10-3Mpa;

4. Monthly average saturated vapor pressure: ≤ 1.8 × 10-3Mpa；

5. Altitude: not higher than 1500m;

6. Seismic intensity: no more than 8 degrees;

7. Applicable place: no dripping water, no danger of stillness and explosion, no chemical corrosive gas and no violent vibration: 8. If the product's use environment exceeds the above provisions, the user can negotiate with our company to determine;