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Keystone Technologies


Keystone 250 Watt Metal Halide Ballast Kit ANSI M58/H37 - 4-Tap

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The Keystone MH-250A-Q-KIT 250 Watt Metal Halide Ballast Kit features quad-tap input voltage, compatible with 120 to 277V fixtures. This magnetic HID ballast features a high power factor, designed to deliver maximum efficiency. With a minimum start temperature of -22º Fahrenheit, makes this metal halide ballast ideal for both interior and exterior applications. Order your MH-250A-Q-KIT today, or contact one of our lighting experts to learn more.

  • Kit Includes: Ballast, Capacitor, Mounting Brackets and Hardware
  • Quad Tap 120/208/240/277
  • ANSI Code M58 or H37
  • CWA Circuit Type (Without Ignitor)
  • 2-Year Warranty



cRUus RoHS Compliant 2 Year Warranty



Brand Keystone Technologies
Manufacturer Part Number MH-250A-Q-KIT
UPC 890949003183
Input Watts 284 Watts
Input Voltage 120/208/240/277V
Ballast Type Core/Coil
ANSI Code M58
Lamp Type 250 Watts Metal Halide
Min Operating Temp -22 Degrees F
Length 4.3"
Width 1.65"
Height 4.8"
Warranty 2 Years

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