PHILIPS ADVANCE 71A8172-001D 150W HID Ballast

Technical Details;

High Pressure Sodium, 120 To 277 VAC, 150W Lamp

 CORE & COIL HID HPS BAL 150W S55 QUAD KIT

The basic ballast is the open core and coil which is most often used as a component within a lighting luminaire. The core and coil also forms the nucleus of Philips Advance's five other ballast configurations.