Quantum Digital Dimmable Ballast - 600w

The Quantum 600w Dimmable Digital ballast is one of the most reliable names in the indoor growing and greenhouse market. The Quantum 600w is dimmable from 100% to 75% and 50%. The Quantum runs both HPS and MH lamps. When you order from Growers House, the Quantum 600w ballast comes with the 120v power cord, but is also compatible with 240v power cords (not included). 2015 the color of the Quantum ballasts will be white, you may receive a white or orange ballast during the transition.

Only guaranteed with hortilux and agrosun lamps/bulbs.

$118.03
$118.03

Commercial & Large Grow Operations

• Custom volume discounts • A dedicated representative • Financing available from $10K to $1M • Professional Services & Financing Inquiries: +1.866.443.4533
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Additional Information

Name Quantum Digital Dimmable Ballast - 600w
Brand Quantum
SKU QT600
UPC 812138010079
Warranty 3 Year
Watts 600w
Voltage 120-240v
Amps 5.3A @ 120v / 2.8A @ 240v
UL Listed Yes
CE Listed Yes
MSRP $169.95
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Details
The original supplier of Quantum Ballasts, R & M Supply, has gone out of business. Hydrofarm has purchased the Quantum ballast brand from R & M and are continuing the brand with the exact same product. All Quantum ballasts in 1000w, 600w, and 400w models are now available for purchase. When you order from Growers House, the Quantum 600w ballast comes with the 120v power cord, but this ballast is also compatible with 240v power cords (not included).



The world of indoor gardening was changed forever with the introduction of digital lighting by Quantum Horticulture. A new alternative to heavy, noisy, power wasting core and coil ballasts had reached our shores, the Quantum Digital Dimmable grow light ballast. Quantum Digital Dimmable ballasts will strike both Metal Halide and High Pressure Sodium lamps without having to flip switches or change wiring like a standard core and coil ballast, while also saving you a noticeable amount of power on your electric bill. Quantum Digital Ballasts have shown savings of up to 30% reported from Quantum laboratory testing facilities compared to standard core and coil ballasts.The Quantum Ballast dimming switch is located on the front of your ballast just above the lamp cord. Always allow 30 seconds between the different output settings to allow your ballast to draw the proper amount of power and charge your bulb to the desired setting.

You will notice how much cooler your new ballast runs and how lightweight it is. The base of the unit gives you many options of how you would like to mount it.

Like everything new and exciting there is a downside. Many companies eagerly came out with technology too quick that has not been tested in real life gardens. Many of these ballasts cannot stand up to the atmospheric demands that gardeners put on their equipment. This has led to high failure rates amongst our competitors. These failures include RF (radio frequency) interference, burnt circuit boards, and faulty cord ends.

Finally, the world of digital lighting is about to change in a big way. Quantum Series Lighting is now the paradigm of lighting technology. Quantum Horticulture analyzed the mistakes and failures made by others in their quest for digital lighting, and utilized that knowledge to bring us the best in high intensity illumination.

The Quantum Series ballast is covered by a full Three year warranty under normal use. You can increase the life of your ballast by always making sure it is kept clean and out of extremely damp conditions.



Quantum Ballast Specifications

  • Runs at 100%, 75% or 50% power, dimmable
  • Compatible with both Metal Halide (MH) and High Pressure Sodium Bulbs (HPS)
  • Accepts 120V or 240V (only 120V cord included)
  • Allows 50 hertz to 60 hertz
  • Tested before being packed.
  • Runs 15% cooler than other digital ballasts on the market
  • Has a Power Factor of 99.9%
  • The most stable output frequency of any ballast
  • Higher lumen output than magnetic ballasts
  • Light weight and care free


  • The Quantum 600w ballast is used by commercial growers in large scale indoor growing operations and greenhouse gardens. The Quantum 600 watt will work great whether used in a single lamp 600 watt garden, or in a garden with tens of thousands of watts. The Quantum ballast is UL listed and designed to function through varying environments, and to fail safely if there were any issues to occur.