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Keystone Technologies


Keystone 400 Watt Metal Halide Ballast Kit Pulse Start ANSI M135/M155 - 4-Tap


The Keystone MPS-400A-Q-KIT 400 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.

  • Kit Includes: Ballast, Starter, Capacitor, Mounting Brackets and Hardware
  • Quad Tap 120/208/240/277
  • ANSI Code M135 or M155
  • CWA Circuit Type
  • 2-Year Warranty




Brand Keystone Technologies
Manufacturer Part Number MPS-400A-Q-KIT
UPC 890949003428
Input Watts 454 Watts
Input Voltage 120/208/240/277V
Ballast Type Core/Coil
ANSI Code M135
Lamp Type 400 Watts Pulse Start Metal Halide
Min Operating Temp -22 Degrees F
Length 4.25"
Width 1.89"
Height 4.75"
Warranty 2 Years

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