Advance 71A0790500D Magnetic Core and Coil HID Ballast, Low Pressure Sodium Lamp, 180 W, 120/208/240/277 VAC

Advance Core and Coil HID Ballast, Magnetic, Low Pressure Sodium Lamp, 180 W Lamp, 208 W, 120/208/240/277 VAC, 1.8/1/0.89/0.75 A, 60 Hz, Probe Start, -20 deg F Minimum Starting, Power Factor: 0.9, No Dimmable, 1 Lamp, Thermal Protection: Class P, Ballast Factor: 1, 4-3/4 in L x 4 in W x 4-1/4 in H