Quantum 400W Digital Ballast, 120/240V Dimmable

QuantumSKU: HF-QT400

Sale price$113.82


The digital ballast gives you complete control of your grow light output in terms of illumination and heat. The ballast runs 15% cooler than the other options available in the market and has some advanced specifications like resin sealed circuit, highly stable output frequency, and can work in conjunction with a lighting controller to deliver a seamless performance.

  • Dimming Facility: The ballast comes with a dimming switch that lets you control the growl's power output and footprint of the grow light. It will help you cut down on your energy bills.

  • Seamless Functioning with Generators: The grow light has a stable power output and can work great without generators without flickering.

  • Perfect for Extreme Environments: The fixture has been tested rigorously for the most challenging environments.

  • Extruded Aluminum Fins: The fins allow the system to efficiently run cool and dissipate heat out of the system.

The ballast gives you control over the horticulture fixture with its dimming switch, which lets you control the fixture's footprint and power usage. Your ballast's power can be increased or decreased with the controlling switch, and you can run the fixture at 75% and 100% power.

With the ballast, you can achieve high-intensity illumination for your garden. The grow light delivers a highly stable output frequency with a power factor of 99.9%. The fixture features a resin-cased circuit board which allows it to function in humid locations.

The resin-cased circuit board comes with a sealed bearing fan to run cooler compared to the other ballasts available in the market. The ballast has been designed to withstand adverse weather conditions. It functions silently without disturbing the surrounding environment. You do not need to purchase additional wiring equipment for mounting. The fixture is configurable with electric assistance.

The ballast has been designed for operating single-ended lamps, so buy the lamps accordingly.


  • SKU/Model No.: HF-QT400

  • Shipping Weight: 6.20 lbs.

  • Package Dimensions:13.00L x 7.10W x 3.15H

  • Ballast Type:Electronic

  • Convertible:1

  • Frequency:50/60Hz

  • Rated Wattage:400 W

  • Voltage: 120/240 V

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