... & RohS HID Ballast MH Ballast/HPS Ballast/HPM Ballast 70-1000W delta 70, tw 130 Copper/Aluminum Ballast, Magnetic Ballast, Magnetic ... , 400W, 1000WHigh Pressure Mercury Ballast: 80W, 125W, 175W, 250W, 400W, 1000W- Main voltage: 220V, 230V, 240V, main frequency: 50Hz, 60Hz.- Material ... .- Low magnetic leckage and low temperature raise. Magnetic Ballast 70-1000W