... 4Certificate:CE 1000w Magnetic Ballast , 1000w dimmable ballast , hps ballast 1000w , philips TYPE magnetic ballast , 110v Magnetic Ballast , 110v 60hz magnetic ballast 110v 60hz ballastElectromagnetic ballasts for metal ... steel sheet 5) Working voltage: 220 - 240V, 50 / 60Hz 6) Power: Available at 35W,70W,125W,150W,250W,400W ... for various kinds of products8) Certificate: CE. 110v Magnetic Ballast