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eLightBulbs Part #: SL50238

2 Lamp Universal Voltage High Efficiency Instant Start Quicktronic Electronic Fluorescent Sylvania Ballast for 59 watt T8 Fluorescent Sylvania Light Bulbs (Sylvania QHE2x59T8/UNV ISH-B 50238)

Sylvania

2 Lamp Universal Voltage High Efficiency Instant Start Quicktronic Electronic Fluorescent Sylvania Ballast for 59 watt T8 Fluorescent Sylvania Light Bulbs

	This Product Is No Longer Available
This product is discontinued with no replacement or is completely out of stock with no estimated in-stock date.

| Write the First Review

Specifications

eLightBulbs Part #:

Manufacturer Part #:

Manufacturer Desc.:

QHE2x59T8/UNV ISH-B

10 ($549.90/Case)

The pricing of $54.99 is per item, not case

Bulb Type(s) Used:

Applications

	Energy retrofits
	Commercial & retail
	Hospitality & institutional
	New construction

	High ballast factor
	High efficiency
	Small can enclosure allows for low profile fixture design
	Parallel circuitry
	Lowest power, full light output 59 watt T8 systems

Lumens (light output)

This refers to the literal measure of the light-output of a particular light bulb, measured in the number of lumens.

Watts (Energy Used)

"Watts" is the term applied to the amount of energy required and used by a particular light bulb. It is an international system unit of power equal to one joule per second. Contrary to popular belief, the wattage of a bulb does not directly measure the brightness; the "lumens" of a light is what defines the actual light output.

Average Lifetime

This refers to an average lifetime rating based on large quantities in test groups. This testing takes into account usage of 3 hours per start for fluorescent lamps and 10 hours per start for HID lamps.

Voltage is a measure of electrical potential.

The "Bulb Type" is typically a combination of the style of bulb as well as the width of the bulb. Usually, the first couple letters will indicate the type; "G" would indicate "Globe", "PAR" would indicate "Parabolic Reflector"... The numbers indicate the diameter of the light bulb in eighths of an inch; a "G40" would be a "Globe" style that is "5 inches" in diameter.

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