400 Watt M59/H33 Quad Tap Metal Halide Ballast Kit Discontinued For almost 100 years

For almost 100 years

This Keystone ballast is capable of operating (1) F20T8

Note: These MH-250A-Q-KIT lighting ballast are also valid replacement HID kits for 250 watt mercury vapor light fixtures

This 400W Clear Metal Halide light bulb operates in the Base Up (BU) Burn position only

This is the Keystone Ballast HPS-100X-Q-KIT 100 watt sodium ballast transformer

400 Watt M59/H33 Quad Tap Metal Halide Ballast Kit Discontinued For almost 100 yearsMetal Halide Ballast Cross Reference: Advance Ballast 71A6071 001D Sylvania Ballast M400 MULTI KIT Universal Ballast M400MLTAC4M500K Venture V90D6413K Grainger 1A029 High Intensity Discharge (HID) lamps require a ballast to apply starting voltage to the lamp and establish current flow an arc between the lamp electrodes. Without a ballast, the arc will extinguish or draw increasing current until some circuit element burns up. Ballasts provide system