Triad Magnetics’ autotransformer power transformers are available in single winding step-up transformer models, in which the primary coil is a fraction of the entire winding, and step-down transformer models, in which the secondary coil is a fraction of the entire winding.

Standard double wound power transformers feature isolated primary and secondary coils, so all power transfer is conducted by induction. Autotransformers transfer power in between coils in part conductively through the windings. This leads to increased efficiency, smaller size, a higher degree of voltage regulation, and other important benefits.

Triad offers 14 different autotransformer power transformers, including a universal isolation/autotransformer/voltage control model capable of operating at an output wattage rating of 4,000 output watts.

The specification table below details the capabilities of each of these models. To learn more, contact Triad Magnetics today.

Unit of Measure
Items
Autotransformer Power Transformers

Autotransformer Power Transformers

Autotransformer Power Transformers (N-3MGA) - Case Type M

Autotransformer Power Transformers

Autotransformer Power Transformers

Autotransformer Power Transformers

Autotransformer Power Transformers (N-3MGA) - Case Type M

Autotransformer Power Transformers

Autotransformer Power Transformers (F-302U) - Case Type U

Autotransformer Power Transformers
Description N/A Triad autotransformers are single winding transformers in which the primary coil is a fraction of the entire winding for voltage step-up or the secondary coil is a fraction of the entire winding for voltage step-down. In ordinary double wound power transformers, the primary and secondary are isolated and all the power is transferred by induction. In autotransformers, part of the power is transferred conductively through the windings. Triad autotransformers come in a variety of configurations, case types and output watts (VA) ratings in excess of 2,000 watts. A universal isolation/autotransformer/voltage control model is available with up to a 4,000 output watts rating when operated as an autotransformer.
Click here to check stock >> N/A N/A N/A N/A N/A
Output Wattage (VA) Rating N/A 50 W N/A 85 W N/A 100 W N/A 150 W N/A 150 W
Primary Voltage N/A 230 V N/A 230 V N/A 230 V N/A 115 V N/A 277 V
Primary Frequency N/A 50 Hz60 Hz N/A 50 Hz60 Hz N/A 50 Hz60 Hz N/A 50 Hz60 Hz N/A 60 Hz
Secondary Voltage (±5%) N/A 115 V N/A 115 V N/A 115 V N/A 230 V N/A 115 V
Secondary RMS Current N/A 0.435 A N/A 0.74 A N/A 0.87 A N/A 0.65 A N/A 1.30 A
Case Type N/A X N/A M N/A X N/A M N/A U
Connections N/A Leads N/A 6' Cord, Plug & Socket - 3-Wire Plug, Cord and Socket N/A Leads N/A 6'-3 Wire Cord, Plug & Socket N/A Leads
Height (H) N/A 2 9/32 in N/A 3 19/32 in N/A 2 5/8 in N/A 3 19/32 in N/A 2 13/16 in
Width (W) N/A 3 18/25 in N/A 2 31/32 in N/A 4 in N/A 2 31/32 in N/A 3 3/8 in
Depth (D) N/A 2 in N/A 3 1/2 in N/A 2 1/16 in N/A 3 5/16 in N/A 2 1/4 in
Mounting Width N/A 3 1/8 in N/A 2 1/4 in N/A 3 5/8 in N/A 2 1/4 in N/A 2 13/16 in
Mounting Depth N/A N/A 2 5/8 in N/A N/A 2 1/8 in N/A 2 in
Mounting Hole Size N/A 3/16 in N/A 3/8 x 3/16 in N/A 3/16 in N/A 3/8 x 3/16 in N/A 13/64 x 3/8 in
Weight N/A 1.50 lb N/A 3.00 lb N/A 2.10 lb N/A 4.90 lb N/A 2.90 lb
Technical Notes N/A
  1. Output wattage (VA) ratings 50 to 2,000 W.
  2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
  3. All transformers are 50/60 Hz line frequency, except as noted.
  4. Hi-pot tested at 1,500 VRMS.
  5. Operating temperature is based on a 40°C temperature rise.
N/A
  1. Output wattage (VA) ratings 50 to 2,000 W.
  2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
  3. All transformers are 50/60 Hz line frequency, except as noted.
  4. Hi-pot tested at 1,500 VRMS.
N/A
  1. Output wattage (VA) ratings 50 to 2,000 W.
  2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
  3. All transformers are 50/60 Hz line frequency, except as noted.
  4. Hi-pot tested at 1,500 VRMS.
N/A
  1. Output wattage (VA) ratings 50 to 2,000 W.
  2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
  3. All transformers are 50/60 Hz line frequency, except as noted.
  4. Hi-pot tested at 1,500 VRMS.
N/A
  1. Output wattage (VA) ratings 50 to 2,000 W.
  2. Wide selection of case types, including 6' line cords, plugs, sockets and lugs.
  3. All transformers are 50/60 Hz line frequency, except as noted.
  4. Hi-pot tested at 1,500 VRMS.
Nominal Secondary Voltage N/A 115 V N/A 115 V N/A 115 V N/A 230 V N/A 115 V
Secondary Voltage-Series Connection N/A
Secondary Voltage-Parallel Connection N/A
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