600 Volt Three Phase Autotransformers

A. 600 Volts Primary, Three 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
• 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, 600V Primary

Select Secondary Voltage Below
kVA 600V 575V 550V 480V 460V 440V 416V 400V 380V
15 T54990 T55000 T55010 T55020 T55030 T55040 T55050 T55060 T55070
30 T54991 T55001 T55011 T55021 T55031 T55041 T55051 T55061 T55071
45 T54992 T55002 T55012 T55022 T55032 T55042 T55052 T55062 T55072
75 T54993 T55003 T55013 T55023 T55033 T55043 T55053 T55063 T55073
112.5 T54994 T55004 T55014 T55024 T55034 T55044 T55054 T55064 T55074
225 T54995 T55005 T55015 T55025 T55035 T55045 T55055 T55065 T55075
300 T54996 T55006 T55016 T55026 T55036 T55046 T55056 T55066 T55076
450 T54997 T55007 T55017 T55027 T55037 T55047 T55057 T55067 T55077
500 T54998 T55008 T55018 T55028 T55038 T55048 T55058 T55068 T55078
750 T54999 T55009 T55019 T55029 T55039 T55049 T55059 T55069 T55079

Output Amps

kVA Output Amps at:
600V 575V 550V 480V 460V 440V 416V 400V 380V
15 14.4 15.1 15.8 18 18.8 19.7 20.8 21.7 22.8
30 28.9 30.1 31.5 36.1 37.7 39.4 41.6 43.3 45.6
45 43.3 45.2 47.2 54.1 56.5 59.1 62.5 64 68.4
75 72.2 75.3 78.7 90.2 94.1 98.4 104.1 108.3 113
112.5 108.3 112 118.1 135.3 141.2 147.6 156.1 162.4 170.9
225 216.5 225.9 236.2 270.6 282.4 295.2 312.3 324.8 341.9
300 288.7 301.2 314.9 360.9 376.5 393.7 416.4 433 455.8
450 433 451.9 472.4 541.3 564.8 590.5 624.6 649.5 683.7
500 481.1 502.1 524.9 601.4 627.6 656.1 693 721.7 759.7
750 721.7 753.1 787.3 902.1 941.4 984.2 1040.9 1082.6 1139