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"Slim Line"... Designed For LED Lighting!
Popular "Stock" low-profile step-down autotransformers for use with conventional and LED auto-ranging drivers & supplies (e.g. 100-277 volt). UL Approved for both Canada & US. Open types for internal mount (mounting brackets optional) or Enclosed types for external-mount applications.
Check out the "Slim-Line" 347V and 480V Autotransformer Models and Specs
Other Custom Designed Configurations of 347V, 480V and 600V Step-Down Transformers
Recent Work
Slim Line LED Lighting Transformers, Open Internal Style Models 210041, 210100 and 211063
These are the smallest size of these versatile step-down autotransformers. This image shows the Open Internal Style parts with or without brackets. Refer to the Slim Line table of parts for further details on ratings and links to specifications.
Open-type, High-Power Models 210043, 210098 and 210083
These are the highest power size of these versatile step-down autotransformers, 347:240V@240VA, 347:120V@125VA, 480:240V@170VA . UL Recognized Class B (130C), Canada/U.S. This image shows the OPEN Internal Style parts with or without brackets. Refer to the Slim Line table of parts for further details on ratings and links to specifications.
Enclosed External-Mounted Slim Line LED Lighting Transformer shown assembled outside a junction box
No need to assemble this transformer inside a fixture housing! Easily mounted on the outside through a simple standard 1/2" NPT electrical knock-out in a junction box or through an approx. 5/8" hole in any other enclosure. Secured on the inside of the enclosure by a standard 1/2" NPT metal conduit fitting locknut (provided). (Model 210041EB shown).
Fully UL Listed for Canada and the US. 480V to 240V; 347V to 240V and 347V to 120V step-down voltages. Configuration available in power ratings from 25 to 240VA (see model table on Slim Line webpage)
Superior materials, robust designs, world-class manufacturing!
347V, 480V & 600V Step-Down Transformer Capabilities at Electronic Craftsmen
Frequency 60Hz (standard for Canada & US)
Power to 5kVA
Temperature Class to 220C (155C / Class F typical)
Weight: 0.06 oz / 1g to 550 lbs / 250kg
Multiple taps as required
Dielectric Strength (hipot) to 30kVac or 20kVdc
Parts can be vacuum varnished or molded with a variety of hard or soft encapsulant materials with thermal conductivity.
Wire sizes from 1-45 AWG or Copper Foil to 0.050in thick (in multiple layers for higher current); Litz wire for higher frequency
Regulation to specification
Manufactured using all known state-of-the-art magnetic core materials, including but not limited to electrical grade steel laminations, ferrites & powdered iron, nickel-iron alloy, iron amorphous metal strip-wound cores, nanocrystalline cores and small toroids.
Antifungal and non-nutrient coatings available
Corrosion resistant coatings & platings available
Standard or custom terminations & leads
Mounting Configurations: pcb-mount (horizontal or vertical), custom or standard brackets or stacked configurations
Designed to meet CSA & UL (safety) or MIL PRF 27 (aerospace / military) requirements upon request
MIL PRF 27 Grade 5 & 6 encapsulation available