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Hydrofarm Powerhouse 400W 120/240v Convertible Ballast (HPS/MH)

Item #: PH57372

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Powerhouse 400W 120/240v Convertible Ballast (HPS/MH)

Additional Images

Reflector Plug Type

This grow light ballast connects to a grow light reflector using the 'Hydrofarm' plug type. Pair this item with Phantom, Raptor, Xtrasun or any other brand that has this same graphic. Adapters are also available to allow for universal fitment between products. Learn more about reflector cord types


Ballast Type
Watt Output
Power Input
Cord Included

8ft 120V

5 Year

Use halide for growing and sodium for flowering, all in the same system!

Hydrofarm's Powerhouse convertible ballasts feature engineered transformers made to the exact American National Standards Institute specifications.

Powerhouse Convertible Ballast is designed to drive either halide or sodium bulbs properly with separate wire leads. They are marked according to UL standards for use with either bulb. We pair this engineered unit with our heavy duty multi-pole switch for the ultimate in safety and reliability - the convertibles you can count on!

  • Transformers engineered to the exacting American National Standards Institute (ANSI) specifications
  • Designed to drive either halide or sodium bulbs properly with separate wire leads
  • 8-year warranty on ballast electrical components

Ballast Size: 11.5" (13.5" w/handle) x 7.5" x 8.5"


Ballast Type Magnetic Ballast
Double Ended Optimized No
Dimmable No
Watts 400
Voltage 120 or 240 volt
Brand Hydrofarm
SKU PH57372
Weight (lb.) 33
Length (in.) 22.4
Width (in.) 10.5
Height (in.) 10.6
Warranty Yes
Free Shipping Yes
Special Order Yes

Shipping Info:

Free Shipping

Ships Via FedEx/UPS

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