400V 600w electronic ballast 1)OEM&ODM Products Offered 2)High-quality,defect rate<1% 3)Competitive Prices ... the information of our products.1.Specifications of 600W electronic ballast Main Input Voltage120V/208V/220V/230V/240V(208V/220V ... to contact us.Best RegardsDavid SongSales ManagerQidong Sunkan Electronic Co.,LTD. 400V 600W electronic ballast for hydroponics/greenhouses,UL,CE,TUV,DIN approved