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Xtrasun Dial-A-Watt E-ballast 400W

Item #: XTEDW400

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Xtrasun Dial-A-Watt E-ballast 400W

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

3 Year

Control & Versatility

Power a multitude of different wattage lamps on the same ballast.


Optimum performance for each lamp.

Dual Receptacle

Works with all common reflectors.

Four-mode Adjustable Output

250W, 250W Boost, 400W, and 400W Boost

  • Completely silent
  • Internal resin coating protects against dust and moisture
  • Internal RF shielding
  • Extruded aluminum enclosure dissipates heat and keeps components cool
  • Thermal overload protection internal safety feature
  • Dimmable


Ballast Type Digital Ballast
Double Ended Optimized No
Dimmable Yes
Watts 400
Cord Length 8 Ft
Voltage 120/240
Brand Xtrasun
Weight (lb.) 5.5
Length (in.) 11.6
Width (in.) 8.9
Height (in.) 3.5
Warranty Yes
Free Shipping Yes

Shipping Info:

Free Shipping

Ships Via FedEx/UPS

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