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Retail Summer Hours starting June 1st
Starting June 1st we will be closed Mondays in addition to Tuesday and Wednesday for walk in retail customers. Internet and eBay orders will continue to ship as normal.
Mon, Tues, Wed - Closed; Thurs, Fri 12-8pm; Sat and Sun 11-6pm
Sunlight Supply Galaxy Select-a-Watt Electronic Ballasts


Sunlight Supply Galaxy Ballasts have been discontinued by the manufacturer.
We suggest the Coralvue LuxCore Electronic Metal Halide Ballasts as an alternative.


Sunlight Supply Galaxy Select-a-watt Metal Halide Electronic Ballasts

sls galaxy select a watt metal halide ballast

SLS Galaxy Select-A-Watt Metal Halide Ballast

The Sunlight Supply Galaxy Select-a-watt metal halide electronic ballasts give you more control of your lighting than has been previously available. There are two Galaxy Select-a-watt ballasts each having four settings. The 175-250 Galaxy can run 150, 175, 250 watt metal halide bulbs including HQI bulbs. The larger 250-400 SLS Galaxy Select-a-watt metal halide ballast is able to run 250 or 400 watt single ended and double ended HQI metal halide bulbs. Having these options will allow you to easily upgrade or downgrade your lighting to a diffeent wattage easily and at a lower cost.
  • Now includes Select-A-Watt™ feature allowing you to choose your wattage. Power 4 different wattage lamps with the same ballast.
  • Features the exclusive Smart Volt™ – operates on both 120 & 240 volt power. 6 foot 120 volt power cord included. 240 volt cord sold separately (Code No. 903082).
  • Runs all mogul-based & double-ended metal halide lamps.
  • 99.9% power efficiency.
  • Resettable circuit breaker for short circuit protection.
  • Anodized, extruded aluminum housing.
  • Silent operation.
  • Compatible with all Reef Optix® & LumenMax® reflectors out of the box.
Metal Halide Wattage
Galaxy Select-A-Watt 150/175/250 Watt
Galaxy Select-A-Watt 250//400/Turbo Watt
Galaxy Select-A-Watt 400/1000 Watt

Optional 15 foot lamp cord available for use with the quick disconnect on Sunlight Supply ballasts.

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