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Lightspeed CMH 315W Magnetic Ballast

Product Info

Lightspeed CMH Magnetic 315W Ballast is built to last and is an economical solution for your grow lights. This fully mechanical ballast is extremely reliable with none of the harmonic distortion or influence on local radio frequencies (RF) an electronic ballast could produce. Compact and easy to install, the Lightspeed CMH magnetic ballast will work with any reflector designed for ceramic metal halide, light emitting ceramic, or ceramic discharge metal halide bulbs.


  • For use with ceramic metal halide (CMH) bulbs
  • Compact design
  • Square-wave technology
  • Low harmonic distortion
  • CMH bulb spectrum can be used from vegetative state straight through to flowering
  • Combined with a CMH lamp can lower your energy costs by up to 70%
  • UL listed
  • 120/208/240V input voltage
  • Sturdy construction
  • 8′ Removable lamp cord included
  • German film capacitors
  • Electrostatic paint with corrosion resistance treatment
  • Anti-vibration rubber supports
  • Handles for lifting and installation
  • 1 year Manufacture warranty