Reliable service at value prices. Designed in America, employing features and materials normally found on higher priced units, these have become the most popular value-priced units on the market. Their unique patented aluminum housing with convection cooling runs so cool we offer a 5 year warranty - the longest in its class. Dual voltage Xtra versatile ... works with most fixtures Xtra value ... Super affordable 5 year warranty on ballast electrical components Aluminum fins, louvers and ports for extra cooling efficiency Compatible with all Hydrofarm reflectors and most others

New Power Slider feature - switch from 120 volt to 240 volt with easeThe Sun System 10 Ballast is Sunlight Supplys economy-priced ballast. Features include a die-cast aluminum housing with white powder coated finish, louvers for cooling and rubber feet. Sun System 10 ballasts all feature quick-disconnect adapters and multi-tap transformers, which means that you can switch them from 120V to 240V in just seconds. Although the Sun System 10 is made in China, its proven track record over the years and 5 year warranty show that it is a solid, reliable ballast. The 15 heavy duty detachable lamp cord sold separately makes installation a snap; no hard-wiring necessary. Now features our Alumapro™ aluminum core ballast for optimum performance NEW - Exclusive Power Slider™ - switch from 120 volt to... Less

The Powerhouse is packed with features which make it the most advanced electromagnetic HID ballast on the market. With its durable all-aluminum exterior construction and its offset high/low component orientation, it runs quieter and cooler than any other ballast we have ever made. Cool components mean higher performance and longer life, which we guarantee with an 8 year warranty. Coolest running Ultra-quiet with ISO-mount silencer Rugged and durable Dual voltage North American brand components Every unit factory tested 8 year warranty on ballast electrical components U.S. patent D546,282 Air coolable with optional flange kit & fan Compatible with all reflectors offered by Hydrofarm & most others Ballast Size: 11.5 (13.5 w/handle) x 7.5... Less

This is Sunlight Supply's highest quality ballast. Sun System 1 ballasts include an aluminum heat sync ballast enclosure, heavy-duty key-way handle in case you want to mount or hang them, major brand such as Advance or Magnetek multi-volt transformer, 8 foot grounded power cord, rubber feet, high temperature capacitor where applicable and technical guide. Major brand ballast Aluminum heat sync ballast enclosure Rubber feet - reduces noise, vibration and provides air flow under the ballast for cool running High temperature capacitor Heavy-duty keyway handle Exclusive MVP™ feature allows user to easily switch from 120 to 240 volt power without the need to rewire the ballast. Simply unplug the detachable 120 volt cord & plug in the 240 volt cord. US Patent Nos: D543941, D544840 & D545764... Less

Hid Ballast Kit, Core And Coil Ballast Type, High Pressure Sodium Lamp Type, 400 Lamp Watts, 120/208/240/277/4 80 Input Voltage, Number Of Lamps 1, S51 Ansi Code, 450 Input Watts, Min. Starting Temp. -40 Degrees F, 60 Hz, 4 Operating Amps @ 120v, 2.3 Operating Amps @ 208v, 2 Operating Amps @ 240v, 1.7 Operating Amps @ 277v, 1 Operating Amps @ 480v, Insulation Class H, Thermal Protection No, Length 4-3/4 In., Width 3-3/5 In., Height 4-1/4 In.