Waterproof mining lamps, explosion-proof lamps, Shanghai the amount of the giant waterproof anti-corrosion ballast, Waterproof mining lamps, explosion-proof lamps Shanghai amount of the giant waterproof anti-corrosion ballast supply waterproof mining lamps, explosion-proof lamps, amount giant water corrosion ballast FAZ - □ Series waterproof and dustproof anti-corrosion ballast Waterproof mining lamps, explosion-proof lamps, Shanghai amount giant water corrosion ballasts use environment, the ambient temperature of -25 ° to 55 ° mounting height does not exceed the altitude of 2000m. 3, strong acid and alkali corrosion, much water, dusty, humid environment. 4, must be chosen to match the light source, the users supply voltage fluctuation range must meet the requirements of national standards. The structural features of the product's resistance to strong acid and alkali salt corrosion, waterproof, dustproof, anti-corrosion rating of F2, protection class IP66. All exposed fasteners are made of stainless steel, silicone rubber, oil, acid, alkali, high temperature seals. 3, supporting the use of single lamps, to cater to the wiring, distribution boxes. 4, the technical parameters of the built-in ballast with Philips, Benjamin, is strongly recommended that users configure Philips Yaming light source. 5, users can request the installation of power compensation, compensation after a power factor above 0.9. Ordering instructions are required to provide complete ordering product model. 2, a special requirements please text description.