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Now In: Power Supplies  >  Low Voltage Transformers  >  Magnetic Low Voltage Transformers  >  300 Watt - 12 Volt - Hardwire - Magnetic Transformer - TechnoMagnet

Product Overview:
  • Maximum watts: 240
  • Dimmable
  • Indoor use
  • 10-Year warranty
  • UL listed
  • Learn More

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300 Watt - 12 Volt - Hardwire - Magnetic Transformer - TechnoMagnet

Pegasus Lighting BBB Business Review

300 Watt - 12 Volt - Hardwire - Magnetic Transformer - TechnoMagnet

Item #PTMC-300S-12
AvailabilityUsually ships the next business day
Quantity  Add to cartAdd to Wishlist
Please NoteStandard shipping (US48) is
$8 per item due to size of transformer

About our 300 Watt - 12 Volt - Hardwire - Magnetic Transformer - TechnoMagnet

This 300-watt low voltage magnetic transformer will power your 12-volt lighting systems.

  • Uses: may be used to power 12-volt lighting systems.
  • Maximum Load: 240 watts maximum of lighting load. Like most magnetic transformers, these transformers should be used to power about 80% of their wattage rating. [Caution: Always attach the load to the transformer before connecting the transformer to power.]
  • Input: 120 volts AC, 60 Hz, 2.6 amps
  • Input Leads: 6-inch 18 AWG wires
  • Output: 11.8 volts AC
  • Output Leads: 6-inch 12 AWG wires [Suggestion: Use a terminal block for each connection in the 12V output circuit and make certain that these connections are very tight and secure. Also, be sure that the gauge of the electrical wire used in the output circuit is not less than 12 AWG.]
  • Installation: the transformer and all of the hardwired electrical splices (connections) can be conveniently stored in the included metal enclosure
  • Metal Enclosure: easy opening case with knock-outs for hardwiring. Powder coated textured paint finish.
  • Case Size: 7in(H) x 3-2/5in(W) x 3-1/5in(L)
  • Weight: 7 lbs
  • Dimmable: fully dimmable using a dimmer designed for a magnetic transformer. [Caution: dimmer should always be connected to the input side, 120V side, of a transformer.]
  • Thermal Shutdown Protection: yes with manual reset circuit breaker
  • 10 Year Warranty: this transformer carries a 10-year warranty
  • Color: black
  • UL Listed
  • Large Quantity Discount: If you would like us to quote on a large quantity of 300W 12V AC Magnetic 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  10-Year Warranty  Satisfaction Guarantee  Dimmable Installation Difficulty

Product Reviews
300 Watt - 12 Volt - Hardwire - Magnetic Transformer - TechnoMagnet
Questions & Answers
By Pam from Charleston, Oregon on August 1, 2012
Is there a minimum load requirement for this transformer to work properly? I see a maximum load capacity of 80% or 240 Watts.
By Ila at Pegasus Lighting on August 1, 2012


Yes there is a minimum load requirement. It is 50 watts.

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