110 Volt Single Phase Autotransformers

T. 110 Volts Primary, Single Phase Autotransformers

Select a Different Primary Configuration »

TEMCo Single Phase Autotransformers are 50/60 Hz rated and come in a NEMA 3R enclosure for indoor use as well as outdoor protection against rain and sleet. Our transformers are built to last, guaranteed. That's why we back these with a decade long warranty.

• UL Listed, CSA Approved
• Aluminum or Copper windings
• 50/60 Hz rated
• NEMA 3R Enclosure (for indoor or outdoor use)

Looking for a different specification? Click here to see all the primary voltage configurations, or see our full selection of autotransformers here.


Product Selection

kVA Select Secondary Voltage Below
220V 208V 200V 190V 120V 115V 110V 100V
3 T52510 T52520 T52530 T52540 T52550 T52560 T52570 T52580
5 T52511 T52521 T52531 T52541 T52551 T52561 T52571 T52581
7 T52512 T52522 T52532 T52542 T52552 T52562 T52572 T52582
10 T52513 T52523 T52533 T52543 T52553 T52563 T52573 T52583
15 T52514 T52524 T52534 T52544 T52554 T52564 T52574 T52584
25 T52515 T52525 T52535 T52545 T52555 T52565 T52575 T52585
37 T52516 T52526 T52536 T52546 T52556 T52566 T52576 T52586
50 T52517 T52527 T52537 T52547 T52557 T52567 T52577 T52587
75 T52518 T52528 T52538 T52548 T52558 T52568 T52578 T52588
100 T52519 T52529 T52539 T52549 T52559 T52569 T52579 T52589

Output Amps

kVA Output Amps at:
220V 208V 200V 190V 120V 115V 110V 100V
3 13.6 14.4 15 15.8 25 26.1 27.3 30
5 22.7 24 25 26.3 41.7 43.5 45.5 50
7 31.8 33.7 35 36.8 58.3 60.9 63.6 70
10 45.5 48.1 50 52.6 83.3 86.96 90.9 100
15 68.2 72.1 75 79 125 130.4 136.4 150
25 113.6 120.2 125 131.6 208.3 217.4 227.3 250
37 168.2 177.9 185 194.7 308.3 321.7 336.4 370
50 227.3 240.4 250 263.2 416.7 434.8 454.6 500
75 340.9 360.6 375 394.7 625 652.2 681.8 750
100 454.6 480.8 500 526.3 833.3 869.6 909.1 1000