Advance 18W L69 Low Pressure Sodium HX-HPF Core and Coil Ballast 120/277V

Advance most basic ballast design, the open core and coil configuration consists of one, two, or three copper or aluminum coils on a core of electrical-grade steel laminations. The exclusive core and coil design and manufacturing process insures unparalleled reliability and safety as well as superior performance. Inclusive to a number of different products, including Advance VAL-U-PAK and HID Ballast Replacement Kits, Class N (-200C insulation) and 5-TAP models, Advances core and coil design for HID ballasts optimally supports a range of commercial, industrial, and public/recreational applications.