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Keystone Technologies


Keystone 250 Watt Metal Halide Ballast Kit Pulse Start ANSI M138/M153 - 4-Tap

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The Keystone MPS-250A-Q-KIT 250 Watt Pulse Start 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 MPS-250A-Q-KIT today, or contact one of our lighting experts to learn more.

  • Kit Includes: Ballast, Starter, Capacitor, Mounting Brackets and Hardware
  • Quad Tap 120/208/240/277
  • ANSI Code M138 or M153
  • CWA Circuit Type
  • 2-Year Warranty



cRUus RoHS Compliant 2 Year Warranty



Brand Keystone Technologies
Manufacturer Part Number MPS-250A-Q-KIT
UPC 890949004913
Input Watts 290 Watts
Input Voltage 120/208/240/277V
Ballast Type Core/Coil
ANSI Code M138
Lamp Type 250 Watts Pulse Start Metal Halide
Min Operating Temp -22 Degrees F
Length 4.25"
Width 1.52"
Height 4.75"
Warranty 2 Years

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