Detailed Product Description electric ballast,ballast,electronic :2D electric ballast(CE approved)Detailed Description- AC220~240V Electronic ballasts (TUV safety ... EMC approved).- Lamp Watts: 10W,16W,21W,28W, 38W and 55W 2D TC-DD, TC-DDE lamps.- High power factor >0 ... temperature(Max): +75C.- Lamp holder: GR10q:28W/38W, GR10q-3:55W- Safety: EN61347-1, EN61347-2-3- EMC: EN55015, EN61547, EN61000 ...