Fulham Workhorse-5, 277-Volt, Electronic Fluorescent Ballast

Description of Fulham Workhorse-5, 277-Volt, Electronic Fluorescent Ballast

Designed for 277-volt systems, this electronic fluorescent ballast will power a variety of lamps, including F32T8 light bulbs. Unlike some magnetic ballasts, the Workhorse-5 will not audibly buzz.

• Extremely Versatile: this Fulham Workhorse electronic fluorescent ballast, WH5-277-L, is extremely versatile. See the long list of fluorescent Lamp Type & Lamp Quantity combinations that it can power in the table below.
• Fulham Workhorse 5 Wiring Diagram: please visit the Fulham Workhorse wiring diagram tool for instructions on how to wire this ballast. First, click on the type of light bulb you wish to power on the left side of the screen. Second, find your ballast model along the top. Third, find the wattage of the lamp combination you will be powering and click on the link to view the matching diagram.
• Features: solid-state electronics, small case size, high power factor, lightweight, energy saving. Fulham’s WorkHorse adaptable electronic ballast family has been a favorite with electrical contractors since 1992. Fewer ballasts on the service truck that can power nearly 900 different lamp combinations saves time and money. The ability of a ballast to accommodate multiple lamp types is a huge time-saver for the person in the field.
• Complete Specifications: see Spec Sheet (PDF)




Brand	Fulham
Ballast Family	Workhorse
Model #	WH5-277-L
Start Type	Instant Start
Lamps	Type	Description	Qty
	CFQ18W	18-Watt Quad Tube CFL	4
	CFTR42W	42-Watt Triple Tube CFL	2
	CR55WT5	55-Watt T5 Circline Fluorescent Lamp	2
	F20T12	20-Watt T12 Linear Fluorescent Lamp	1 or 2
	F32T8	32-Watt T8 Linear Fluorescent Lamp	3
	F39T5HO	39-Watt T5 High Output Linear Fluorescent Lamp	2
	F48T8HO	48-Watt T8 High Output Linear Fluorescent Lamp	2
	F54T5HO	54-Watt T5 High Output Linear Fluorescent Lamp	2
	F60T12	60-Watt T12 Linear Fluorescent Lamp	1
	FT40W	40-Watt T5 Twin Tube Fluorescent Lamp	2 or 3
	FT50W	50-Watt T5 Twin Tube Fluorescent Lamp	1 or 2
Input Voltage	277 volts
Min. Starting Temp, (F)	-20°F
Length	9.50 in
Width	1.73 in
Height	1.01 in
Weight	14 oz
Sound Rating	A
Power Factor	See Spec Sheet (PDF)
Total Harmonic Distortion	See Spec Sheet (PDF)
Wiring	Parallel Wired
Line Current	See Spec Sheet (PDF)
Input Watts	See Spec Sheet (PDF)
Ballast Factor	See Spec Sheet (PDF)
UL Approval	UL approved in USA & Canada
Warranty	5 years