... information of our products.1.Specifications of 600W electronic ballast Main Input Voltage120V/208V/220V/230V/240V(208V/220V/ ... Short Circuit Protection, Opening Circuit Protection, Over Current Protection, End of life of bulb Protection and so on.AdvantagesHigh Output ... SongSales ManagerQidong Sunkan Electronic Co.,LTD. 400V 600W electronic ballast for hydroponics/greenhouses,UL,CE,TUV,DIN approved