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115 Volt Three Phase Autotransformers

R. 115 Volts Primary, Three Phase Autotransformers

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TEMCo Three 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
• 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

Copper Wound Autotransformers, 115V Primary

Select Secondary Voltage Below
kVA 230V 220V 216V 208V 200V 190V 120V 110V 100V
15 Contact Contact Contact Contact Contact Contact Contact Contact Contact
30 Contact Contact Contact Contact Contact Contact Contact Contact Contact
45 Contact Contact Contact Contact Contact Contact Contact Contact Contact
75 Contact Contact Contact Contact Contact Contact Contact Contact Contact
112.5 Contact Contact Contact Contact Contact Contact Contact Contact Contact
225 Contact Contact Contact Contact Contact Contact Contact Contact Contact
300 Contact Contact Contact Contact Contact Contact Contact Contact Contact
450 Contact Contact Contact Contact Contact Contact Contact Contact Contact
500 Contact Contact Contact Contact Contact Contact Contact Contact Contact
750 Contact Contact Contact Contact Contact Contact Contact Contact Contact

Output Amps

kVA Output Amps at:
230V 220V 216V 208V 200V 190V 120V 110V 100V
15 37.7 39.4 40.1 41.6 43.3 45.6 72.2 78.7 86.6
30 75.3 78.7 80.2 83.3 86.6 91.2 144.3 157.5 173.2
45 112 118.1 120.3 124.9 129.9 136.7 216.5 236.2 259.8
75 188.3 196.8 200.5 208.2 216.5 227.9 360.9 393.7 433
112.5 282.4 295.2 300.7 312.3 324.8 341.9 541.3 590.5 649.5
225 564.8 590.5 601.4 624.6 649.5 683.7 1082 1180 1299
300 753.1 787.3 801.9 832.7 866.1 911.6 1443 1574 1732
450 1129 1180 1202 1249 1299 1367 2165 2361 2598
500 1255 1312 1336 1387 1443 1519 2405 2624 2886
750 1882 1968 2004 2081 2165 2279 3608 3936 4330