Q. 120 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, 120V Primary
| Select Secondary Voltage Below | ||||||||||
| kVA | 240V | 230V | 220V | 216V | 208V | 200V | 190V | 115V | 110V | 100V |
| 15 | T56970 | T56980 | T56990 | T57000 | T57010 | T57020 | Contact | T57050 | T57060 | Contact |
| 30 | T56971 | T56981 | T56991 | T57001 | T57011 | T57021 | Contact | T57051 | T57061 | Contact |
| 45 | T56972 | T56982 | T56992 | T57002 | T57012 | T57022 | Contact | T57052 | T57062 | Contact |
| 75 | T56973 | T56983 | T56993 | T57003 | T57013 | T57023 | Contact | T57053 | T57063 | Contact |
| 112.5 | T56974 | T56984 | T56994 | T57004 | T57014 | T57024 | Contact | T57054 | T57064 | Contact |
| 225 | T56975 | T56985 | T56995 | T57005 | T57015 | T57025 | Contact | T57055 | T57065 | Contact |
| 300 | T56976 | T56986 | T56996 | T57006 | T57016 | T57026 | Contact | T57056 | T57066 | Contact |
| 450 | T56977 | T56987 | T56997 | T57007 | T57017 | T57027 | Contact | T57057 | T57067 | Contact |
| 500 | T56978 | T56988 | T56998 | T57008 | T57018 | T57028 | Contact | T57058 | T57068 | Contact |
| 750 | T56979 | T56989 | T56999 | T57009 | T57019 | T57029 | Contact | T57059 | T57069 | Contact |
Output Amps
| kVA | Output Amps at: | |||||||||
| 240V | 230V | 220V | 216V | 208V | 200V | 190V | 115V | 110V | 100V | |
| 15 | 36.1 | 37.7 | 39.4 | 40.1 | 41.6 | 43.3 | 45.6 | 75.3 | 78.7 | 86.6 |
| 30 | 72.2 | 75.3 | 78.7 | 80.2 | 83.3 | 86.6 | 91.2 | 150.62 | 157.5 | 173.2 |
| 45 | 108.3 | 112 | 118.1 | 120.3 | 124.9 | 129.9 | 136.7 | 225.93 | 236.2 | 259.8 |
| 75 | 180.4 | 188.3 | 196.8 | 200.5 | 208.2 | 216.5 | 227.9 | 376.54 | 393.7 | 433 |
| 112.5 | 270.6 | 282.4 | 295.2 | 300.7 | 312.3 | 324.8 | 341.9 | 564.82 | 590.5 | 649.5 |
| 225 | 541.2 | 564.8 | 590.5 | 601.4 | 624.6 | 649.5 | 683.7 | 1129 | 1180 | 1299 |
| 300 | 721.7 | 753.1 | 787.3 | 801.9 | 832.7 | 866.1 | 911.6 | 1506 | 1574 | 1732 |
| 450 | 1082 | 1129 | 1180 | 1202 | 1249 | 1299 | 1367 | 2259 | 2361 | 2598 |
| 500 | 1202 | 1255 | 1312 | 1336 | 1387 | 1443 | 1519 | 2510 | 2624 | 2886 |
| 750 | 1804 | 1882 | 1968 | 2004 | 2081 | 2165 | 2279 | 3765 | 3936 | 4330 |