115 Volt Three Phase Autotransformers

R. 115 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, 115V Primary

Select Secondary Voltage Below
kVA 230V 220V 216V 208V 200V 190V 120V 115V 110V 100V
15 T57080 T57090 T57100 T57110 T57120 T57130 T57140 T57150 T57160 T57170
30 T57081 T57091 T57101 T57111 T57121 T57131 T57141 T57151 T57161 T57171
45 T57082 T57092 T57102 T57112 T57122 T57132 T57142 T57152 T57162 T57172
75 T57083 T57093 T57103 T57113 T57123 T57133 T57143 T57153 T57163 T57173
112.5 T57084 T57094 T57104 T57114 T57124 T57134 T57144 T57154 T57164 T57174
225 T57085 T57095 T57105 T57115 T57125 T57135 T57145 T57155 T57165 T57175
300 T57086 T57096 T57106 T57116 T57126 T57136 T57146 T57156 T57166 T57176
450 T57087 T57097 T57107 T57117 T57127 T57137 T57147 T57157 T57167 T57177
500 T57088 T57098 T57108 T57118 T57128 T57138 T57148 T57158 T57168 T57178
750 T57089 T57099 T57109 T57119 T57129 T57139 T57149 T57159 T57169 T57179

Output Amps

kVA Output Amps at:
230V 220V 216V 208V 200V 190V 120V 115V 110V 100V
15 37.7 39.4 40.1 41.6 43.3 45.6 72.2 75.3 78.7 86.6
30 75.3 78.7 80.2 83.3 86.6 91.2 144.3 150.62 157.5 173.2
45 112 118.1 120.3 124.9 129.9 136.7 216.5 225.93 236.2 259.8
75 188.3 196.8 200.5 208.2 216.5 227.9 360.9 376.54 393.7 433
112.5 282.4 295.2 300.7 312.3 324.8 341.9 541.3 564.82 590.5 649.5
225 564.8 590.5 601.4 624.6 649.5 683.7 1082 1129 1180 1299
300 753.1 787.3 801.9 832.7 866.1 911.6 1443 1506 1574 1732
450 1129 1180 1202 1249 1299 1367 2165 2259 2361 2598
500 1255 1312 1336 1387 1443 1519 2405 2510 2624 2886
750 1882 1968 2004 2081 2165 2279 3608 3765 3936 4330