... Electronic 600W Ballast with switch XLDS Characteristics1, Size: 260*103*59 mm2, Weight: 1.8 kg3, Input voltage: AC 90v-150v / 160 ... circuit protection, short circuit protection and overload protection,Ignition failure protection, low voltage protection6,Constant output power, prolong the lamp life-span7 ... Street Lamps, Public Lighting HPS/MH Electronic 600W Ballast with switch