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Product Overview:
  • Minimum watts: 10
  • Maximum watts: 75
  • Dimmable
  • UL recognized
  • 3-Year warranty
  • Learn More

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75-Watt 12-Volt Electronic Low Voltage Transformer

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75-Watt 12-Volt Electronic Low Voltage Transformer

Item #LET-75-M
AvailabilityUsually ships the next business day
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About our 75-Watt 12-Volt Electronic Low Voltage Transformer

This rugged Lightech metal transformer will power up to 75 watts of 12-volt halogen or xenon lighting.

  • Uses: used to power 12-volt halogen or xenon lighting systems.
  • Maximum 75 Watts of Load: 75 watts maximum of lighting load. Unlike most magnetic transformers, these electronic transformers can be used to power the maximum wattage. [Caution: Always attach the load to the transformer before connecting the transformer to power.]
  • Minimum Load: the minimum load without a dimmer is 10 watts; 20 watts with a dimmer. Unless this transformer is powering at least 10 watts of lighting load it will not work properly
  • Input: 120 volts AC, 50/60 Hz, 0.625 amps
  • Output: 11.7 volts AC, 6.25 amps [Caution: a standard AC voltmeter cannot measure the output of a high frequency electronic transformer; instead, a special "true RMS" voltmeter must be used.]
  • Input Wires: one white and one black 18AWG 8-inch wires
  • Output Wires: two blue 14AWG 6-inch wires
  • Dimensions: 0.78in(H) x 1.3in(W) x 2.4in(L)
  • Casing: Aluminum
  • Dimmable: dimmable using a dimmer designed for an electronic transformer. An electronic transformer can sometimes work with a standard incandescent dimmer. However, to ensure that your lighting system works effectively with the greatest dimming range we recommend that you use a dimmer that was specifically designed to control an electronic low voltage transformer. Additionally, using this type of dimmer will diminish the possibility of an audible hum when the dimmer is used especially at low light levels. [Caution: dimmer should always be connected to the input side, 120V side, of a transformer.]
  • Power Factor: 0.95
  • Short Circuit Protection
  • Over Temperature Protection
  • Color: silver
  • UL Listed in the USA & Canada
  • Brand: Lightech
  • 3-Year Warranty
  • Large Quantity Discount: If you would like us to quote on a large quantity of 75W 12V Electronic Low Voltage Transformers, please call us at our toll-free number or use the online Quotation Request for Large Quantities form. We are always happy to provide you with our best large quantity pricing.

UL Listed  3-Year Warranty  Satisfaction Guarantee  Quick Ship Item     Installation Difficulty

Product Reviews
75-Watt 12-Volt Electronic Low Voltage Transformer
5 Stars based on 2 Review(s)
Duncan OK
5 Stars
I would recommend this item to a friend.

Excellent Service
March 5, 2014
Ordered one day and received the next, in excellent condition. Exactly what we ordered and worked perfectly.

Michael Petagine
Hudson, NY
5 Stars
I would recommend this item to a friend.

Great Product
September 24, 2013
Does the job, great price too!

Questions & Answers
By Sam from Boston, MA on February 18, 2014
Is this the equivalent of Westek Class 2 Model TH75 Halogen Power Supply, Input 120V, Output 11.5VAC 75W Max?
By Jacob from Pegasus Lighting on February 19, 2014


Both are 75W 12V transformers with 120V input, so yes.

By Tom from West Springfield, MA on December 28, 2013
Looking to replace MDL electronic transformer 316-0011, e223202 which has a green internal ground wire in addition to black, white AC wires and two red input 12v wires. The light tech transformer does not have internal ground. Can I still use it to replace old MDL transformer w/o ground? I am using on a dimmer with a halogen bulb and am concerned about absence of the internal green ground on this replacement.? Thanks, Tom
By Jacob from Pegasus Lighting on December 29, 2013


I would suggest using this transformer instead -

It has a ground wire and the fact that it is 80W instead of 75W max load will not be an issue.

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