... Ballast with switch XLDS Characteristics1, Size: 260*103*59 mm2, Weight: 1.8 kg3, Input voltage: AC 90v ... Energy-consumption, Timing Dimmer ballast2, High Power Factor, Low THD3, Wide operating voltage range4, Energy-saving up to ... protection and overload protection,Ignition failure protection, low voltage protection6,Constant output power, prolong the lamp life ... /MH Electronic 600W Ballast with switch