Materials & Character:
- The highest power allowed to be arranged: 250W, 400W
- Efficiencies of the lamps and lanterns: 78%
- The maximal distance ratio allowed to lamps: 1: 31
S-uitable height for installation of the lamps and -lanterns: 4.5~8m.
- Only open-type ballest is allowed with length of the bottom board of the ballast ≤ 145mm.
- Electrical Appliance Insulation Class: Class 1