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Hi-Par CMH Ballast 315W


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Hi-Par CMH Ballast 315W

The original HI-PAR 315w Ballast is our most dependable CMH Solution for hobby & commercial cultivation!

This reliable digital ballast has been successfully used in cultivation facilities throughout the world, using square-wave technology to efficiently fire and operate CMH & QMH lamps.

An extremely reliable and super essential oil producer, the 315W is perfect for growers in search for high quality produce or essential oil extraction!

CMH fixtures output a CRI (Colour Rendering Index) of >90%, resulting in more umol (PAR) light than traditional HID/HPS/MH fixtures. 315w CMH fixtures also output more UV-A & UV-B.

The result for your garden? Tighter internodes, bigger leaves, significantly improved essential oil production and stronger stems!

HI-PAR Ballasts are recognised globally for their durability and reliability. Don’t waste time with cheap imitations. Other brands refer to this technology as LEC or L.E.C. It is essential to have a specific 315w CMH ballast to correctly ignite these bulbs.


  • Operates perfectly with 315W CMH Technology:

Our 315W is the original workhorse for medical, hobby, and commercial cultivation. This ballast can output incredibly high PAR/PBAR per watt!

  • Increased Essential Oil Production:

Higher CRI means increased essential oil and plant profile development. More usable PAR/PBAR light per watt than traditional HPS.

  • Low Frequency:

Unique 50/60Hz digital operating current for efficient operation of CMH lamp. Increased PAR/watt efficiency compared to HPS or MH lamps.

  • Soft-Ignition and Light Attenuation:

Low harmonic/general harmonic < 10%. Improves operational safety and extends lamp life.


  • HID Digital Ballast – Square Wave Technology
  • CRI with Philips/ Hortivision: > 90%
  • THD: < 10%
  • Lamp Life: > 90% at 20,000 hrs
  • Input 220 – 240V (50/60Hz)
  • E40 Adaptor included in box
  • PF > 0.99 / CF < 1.6
  • IP 64 rated for use
  • 12-Month limited warranty