HPS 400W Manual dimming ballast(electronic ballast

HPS 400W Manual dimming ballast(electronic ballast, digital ballast) The dimming electronic ballast can be used for metal halide bulb and high pressure sodium bulb, which made refer to the American technology standard. It can start the bulb without the additional and compensator. It can save electrical power and prolong the lamps life. It is the most important energy saving products used for green lighting project, High luminous efficiency, high illuminating quality, wide range current and voltage, It can be operated from 90-260VAC little starting current, with various protection function in special situation. It can ignite the metal halide bulb and stabilize the bulbs operating current, small size, lightweight, low operating temperature, rapid install and excellent energy saving. Appliance: Aquarium, farm, Garden, Piazza, Factory, Billboard, high speed, Engineering Lighting and so on. The way of dimming, there is a button on the ballast, and you can wring the button from Max to Min.