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SYLVANIA 47739-4 - 400 Watt - Metal Halide Ballast Thumbnail

SYLVANIA 47739-4 - 400 Watt - Metal Halide Ballast

ANSI M59 - 4 Tap - Power Factor 90% - Max. Temp. Rating 212 Deg. F - Includes Dry Capacitor and Bracket Kit - Pre-Wired

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Not for Sale. Reference Only.
SKU: BS-47739

MPN (Part No.) 47739-4
Voltage 120/208/240
ANSI Code M59
Ballast Type CWA
Length 4.75 in.
Width 3.7 in.
Height 4.25 in.
Mounting Hardware Included
Operates MH400
Start Temp. (Max) 212 Deg. F
Start Temp. (Min) -20 Deg. F
Power Factor 90%
Start Method Probe Start
Type Metal Halide
Weight 12.6 lb.
UL Listed Yes
Number of Lamps 1
Warranty 2 Years
Wattage 400 Watt


The SYLVANIA 47739-4 metal halide ballast features a four-tap voltage input for compatibility from 120 to 277 volts. For use with 400-watt lamps, this metal halide ballast boasts a high power factor of 90 percent, ensuring maximum efficiency. A temperature rating of 212 degrees Fahrenheit makes the ballast suitable for mounting in warehouses and manufacturing facilities where high heat may be an issue. This ballast kit comes complete with a dry capacitor and bracket kit. The ballast itself is designed to operate one metal halide lamp of 400 watts and comes with a two-year warranty for the ballast.