额定电压／频率 : 220-240V 0/50/60Hz 适用电压 : 180-264V AC 功率因数 : 0.98 保护等级 : 1 Digitally controlled ballasts with built-in starter. Control & monitor of unit is optimised thru a controller. Non-flickering light. Stable color through constant light output. Increase lamp life up to 50%. No acoustic resonances. Safe shut-down in case of defective or missing lamp. Short-circuit proof. Open circuit safe. Auto cut-off in case of excessive temperature. Pulse packages produce starting energy. Screwless terminal type. Polycarbonate casing. Packing: Box of 48pcs/ net weight 13.50kg Box size 388*232*266mm Certified: EN 55015 EN 60929 EN 61000-3-2 EN 61347 EN 61547