The performance of FN16A-12/630 indoor AC high-voltage load switch and FN16A-12RD/200-31.5 load switch fuse combination device meets the requirements of GB3804-90 "3-63KV AC high-voltage load switch" and IEC420 "AC high-voltage load switch fuse combination device" (1990 edition) international standards and national standards (draft for approval). It has the characteristics of small size, beautiful appearance, flexible installation, low operating force, safe and reliable disconnection, long electrical life, frequent operation, large current transfer during disconnection, basically no maintenance required, obvious isolation fracture, manual and electric functions, and can achieve remote control. The load switch fuse combination device also has the function of protecting transformers from overload and preventing equipment from running in phase loss.

Working conditions of FN16A-12 series indoor AC high-voltage vacuum load switch

1. Altitude not exceeding 1000 meters;
2. Surrounding air temperature: not higher than+40 ℃ and not lower than -25 ℃;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The surrounding air should not be significantly polluted by corrosive or flammable gases;
5. No frequent vigorous exercise.

FN16A-12 series indoor AC high-voltage vacuum load switch model meaning

Structure Diagram