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Worcester, MA 01603
Tel. 1 (888) 455-2800
Fax 1.508.363.2900

The LED Authority

400 Watt High Bay Fixture, Pulse Start Lamp, Voltage Must be Specified Before Ordering

SKU: QHB11P400QC22OL | Ordering Code: QHB11P400QC22OL

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Value Brand 400 Watt High Bay Fixture. Heavy Duty Die Cast Aluminum Housing, 22" Acrylic Refractor, Open Rated Lamp. Includes 400 Watt Pulse Start Lamp, CWA Ballast, 120/208/240/277 Voltage.

Voltage must be specified before ordering

Full Specs


Value Brand

Line Voltage


Number of Lamps


Ballast Type

Magnetic ballasts are a legacy technology and use inductance to transform the line voltage to the voltage required to "fire" or excite the gasses in a lamp. Electronic ballasts use a variety of starting methods, and are more efficient than magnetic ballasts in converting input power to the proper lamp power and operate fluorescent lamps at higher frequencies, resulting in an overall lamp-ballast system – increasing efficacy 15% to 20% over a magnetic equivalent.
Ballast Type

Bulb Type Supplied

Type of bulb supplied with the fixture
Bulb Type Supplied
Pulse Start

Replacement Lamp

Pulse Start

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
Length (in)

Height (in)

For ballasts and fixtures, height is the measurement of total vertical distance from the top of the product to the bottom expressed in inches.
Height (in)

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
Diameter (in)

Watts per Bulb



Heavy Duty Die Cast Aluminum


Quick-mount plate attaches to standard junction boxes.
Customer Reviews
Q & A
Can I use a 250 Watt Bulb in this fixture? Or Will it damage or shorten the life of the bulb?


That would depend on the ballast configuration. Please contact one of our certified Lighting Specialists at 888-455-2800 for further assistance.