Dimmable Electronic Grow Light Ballast for MH HPS 400 Watt

$ 77.99 $ 119.99
SKU: YES2137

Brand New Digital Electronic Dimmable Ballast fits for HPS or MH Grow Light System. Up to 30% more than magnetic ballasts for improved yields. Quick lamp ignition by lighting the bulbs within 1-2mins and stable light output by constant lamp voltage. Perfect for your HPS or MH Grow Light System to stabilize electricity and voltage, which can promote your plants growth and flowering.


  • Wattage: 400W
  • High power and low noise
  • Power output: Dimmable at 50%, 75%, 100%
  • Fully compatible for metal halide and high pressure sodium bulbs
  • The built-in fuse, cooling fan and graduating fin design resulting in 15% cooler operation
  • Stabilize input power and output luminous flux.
  • Reduce wastage and improve usable efficiency of power supply equipment capability.
  • Open/short circuit protection under input terminal/internal heat and radio frequency for critical components
  • Safety and regulation: CE certified and UL listed


Rated Power 400 watts
Specified Frequency 50/60Hz
Multi-Voltage Range 120V/240V
Cooling Fan Yes
Power Factor >99%
Total Harmonic Distortion(THD) <10%
Operation Temperature -40 to 65 íëí__’Çíëíæíë_í«íˆíë_?C
Crest Factor <1.7
Overall Size 11"L x 4-3/8"W x 2-3/4"H
Power Cord Length 78"(w/ US standard plug)
Weight 5 lbs

Package Contents:

  • 1x Electronic Ballast
  • 1x Power Cord