575 Volt Three Phase Autotransformers

B. 575 Volts Primary, Three Phase Autotransformers

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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, 575V Primary

Select Secondary Voltage Below
kVA 600V 575V 550V 480V 460V 440V 416V 400V 380V
15 T55080 T55090 T55100 T55110 T55120 T55130 T55140 T55150 T55160
30 T55081 T55091 T55101 T55111 T55121 T55131 T55141 T55151 T55161
45 T55082 T55092 T55102 T55112 T55122 T55132 T55142 T55152 T55162
75 T55083 T55093 T55103 T55113 T55123 T55133 T55143 T55153 T55163
112.5 T55084 T55094 T55104 T55114 T55124 T55134 T55144 T55154 T55164
225 T55085 T55095 T55105 T55115 T55125 T55135 T55145 T55155 T55165
300 T55086 T55096 T55106 T55116 T55126 T55136 T55146 T55156 T55166
450 T55087 T55097 T55107 T55117 T55127 T55137 T55147 T55157 T55167
500 T55088 T55098 T55108 T55118 T55128 T55138 T55148 T55158 T55168
750 T55089 T55099 T55109 T55119 T55129 T55139 T55149 T55159 T55169

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