... 1-Low power consumption; 2-Provides long service life and super quiet; 3CE, CCC, TUV, RoHS, EMC, EEI=B2 Metal halide lamp 250w magnetic ... -240V/50Hz0.4232/50Detailed Product Description.Electromagnetic ballasts for metal halide lamp,sodium lamp,mercury lamp 35W,70W,125W,150W,250W,400W,600W,1000W,2000W ... contact us, we will reply you within 24 hours. MH metal halide lamp 250w ballast