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The LED Authority

Universal 120 Volt One Lamp F34T12 ELECTRONIC Ballast

SKU: B134R120M-A000I | Ordering Code: B134R120M-A000I

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  • Ignites one T12 lamp
SAVE 13 WATTS WITH NEW ELECTRONIC BALLAST FOR OLDER T12 AND T10 LAMPS. Replace old Magnetic ballast(s) with Universal Basic-12 ELECTRONIC Energy Saving Ballast. Ignites One F34T12, FB34T12, F40T10, F40T12 or FB40T12 Lamp of 120 Voltage. LAMP NOT INCLUDED.
Full Specs



Input Volts


Input Watts


Number of Lamps


Ballast Factor

The percentage of a lamp's rated lumen output that can be expected when operated on a specific commercially available ballast. For example, a ballast with a ballast factor of 0.93 will result in the lamps emitting 93% of their rated lumen output. A ballast with a lower ballast factor results in less light output and also generally consumes less power.
Ballast Factor

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

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)

Width (in)

For fixtures and ballasts, width is the measurement of the total horizontal distance from left to right of the product in inches.
Width (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)

Power Factor


Total Harmonic Distortion (THD)

Total harmonic distortion, or THD, is the measure of how much a ballast can distort the waveform of that building’s power supply and interfere with other equipment. Electronic ballasts today are rated at less than 20 percent, 15 percent, or less than 10 percent THD. The magnetic ballast is rated in the 20 to 28 percent range. The lower the THD the better and more efficient the ballast, and the less likely it is to interfere with other electronic equipment.
Total Harmonic Distortion (THD)

Lamps by Wattage

1x34W, 1x40W

Ballast Lamp Type

The type of bulb the ballast can fire.
Ballast Lamp Type
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Q & A

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    I have 9 single lamp fixtures in my kitchen that are wired in series and are 40 years old. A couple of the original magnetic ballasts are failing and need to be replaced. The bulbs in use are T12, 40w, 4 feet long.
    Will this ballast work as a replacement and will the sockets need to be replaced as well?
    Asked on 7/17/2012 by Willy from Seatlle, WA

    1 answer



      Yes, this ballast will operate one F40T12 fluorescent. The sockets would not to be replaced, unless the failure was due to bad sockets.

      Answered on 7/18/2012 by Product Support from
  • Q:

    Is this suitable for use with single bulb F72T12 56W?
    Asked on 10/27/2011 by Anonymous

    1 answer

Displaying questions 1-2

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