400W MH Ballast
- Keystone MH-400A-Q-KIT 400 Watt Metal Halide Ballast KitSpecial Price $88.60 Regular Price $132.90400 Watt Metal Halide Ballast - Lamps: 400W M59 Metal Halide, H33 Mercury Vapor -Input:120/208/240/277V -Starting: Probe Start Learn More
- Keystone MH-400A-480-KIT 400 Watt Metal Halide Ballast KitSpecial Price $104.73 Regular Price $157.10400 Watt Metal Halide Ballast - Lamps: 400W M59 Metal Halide, H33 Mercury Vapor -Input:480V -Starting: Probe Start Learn More
- Keystone MH-400A-D-FCAN 400 Watt Metal Halide Fcan Ballast
ANSI Designation: M59/H33 - Line Voltage: 120//277 - 400W F-CAN
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