Hydroponic Supplies

400 Watt Ballasts

  1. 1
    Xtrasun Dial-A-Watt E-Ballast 400W

    The Xtrasun Dial-A-Watt E-Ballast is a dimmable 400W ballast designed to effectively keep itself cool and running efficiently. Works with all common reflectors.

  2. 2
    Galaxy Digital Logic 1000W Select-A-Watt Turbo Charge Ballast

    The Galaxy Digital Logic 1000W Select-A-Watt Turbo Charge Ballast is dimmable with a Turbo Charge option. Features include: ignition delay feature, non-air cooled aluminum housing, universal lamp cord, hour meter to manage lamp life.

  3. 3
    Lumatek 400W Digital Ballast HPS/MH 120V/240V Dimmable & Multi-Watt

    Lumatek 400W 120V/240V dimmable and multi watt ballast powers both metal halide and high pressure sodium lamps and produces up to 20% more lumens.

  1. 4
    Phantom 400W Digital Ballast HPS/MH 120V/240V

    The most rigorously tested ballast in the industry. The Phantom features silent operation, lightweight design, multiple placement options and the maximum lumen output around.

  2. 5
    Galaxy Grow Amp Select-A-Watt Ballast

    Comes in 250-400 Watt, 400-600 watt, 400-600-1000W 120/240, and 1000W 240v only

  3. 6
    Quantum Electronic Ballast - 400W 120V/240V HPS/MH

    400 Watt Electronic Ballast. Compatible with either HPS or Metal Halide bulbs. Accepts 120V or 240V line voltage. Runs 15% cooler than other digital ballasts.

  1. 7
    NextGen 400W HPS/MH Ballast

    The NextGen Family of Digital Ballasts. With flicker-free operation, fast lamp ignition and a constant lamp voltage, they are perfect for the next generation of gardening. Electronic ballast powers HPS and MH 400W bulbs. Five year warranty. 90V-260V input.

  2. 8
    Galaxy 250 - 400W HPS/MH 120/240V Multi-Watt & Dimmable

    This Galaxy ballast will operate a 250 or 400 watt lamp. The Turbo Charged feature can only be used with a 400 watt lamp.

  3. 9
    Xtrasun Convertible Ballast - 400W HPS/MH

    Xtrasun 400 watt Halide/Sodium Convertible Ballast allows greater flexibility in type of bulb and line voltage. Compatible with HPS an MH bulbs, and either 120V or 240V power.

  1. 10
    Xtrasun Ballast - 400W HPS 120V/240V

    Xtrasun 400W high pressure sodium (HPS) ballast offers reliable service at value prices. Dual voltage (with optional power cord for 240V). Aluminum fins for extra cooling efficiency.

  2. 11
    Xtrasun Ballast - 400W MH 120V/240V

    Xtrasun 400W metal halide (MH) ballast offers reliable service at value prices. Dual voltage (240V power cord sold separately). Aluminum fins, louvers and ports for extra cooling efficiency.

  3. 12
    Sun System Harvest Pro Switchable MH/HPS 400W Ballast

    Harvest Pro series ballasts. Affordable and reliable.

  1. 13
    Sun System Harvest Pro HPS 400W Ballast

    Harvest Pro series ballasts. Affordable and reliable.

  2. 14
    Global Greenhouse Hercules Lighting 400W Digital Ballast - HPS/MH, InteliVolt

    These highly efficient, light weight, virtually silent digital ballasts incorporate InteliVolt technology to sense and accommodate the attached line voltage. Works with both HPS and MH lamps, and any socket or reflector on the market. 400W InteliVolt model.

  3. 15
    Get It Done "Phantom" 400W - Grow Light Package

    For the cost conscious grower who wants a simple way to start growing today. The lowest cost components available without sacrificing quality, reliability and warranty. Value grow light package based on the Xtrasun II reflector and Phantom digital ballast.