100 Volt Single Phase Isolation Transformers

B1. 100 Volt Primary Single Phase Isolation Transformers

TEMCo Single Phase Isolation Transformers 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
• Aluminum or Copper windings
• 50/60 Hz rated
• NEMA 3R Enclosure (for indoor or outdoor use)

Looking for a different specification? See all the primary voltage configurations here.

TEMCO 1 Phase Isolation Transformer

Select a Different Primary Configuration »

Secondary Voltages Selection
1. 600 15. 277
2. 575 16. 240
3. 550 17. 120/240
4. 480 18. 230
5. 240/480 19. 115/230
6. 460 20. 220
7. 230/460 21. 110/220
8. 440 22. 208
9. 220/440 23. 200
10. 416 24. 190
11. 208/416 25. 120
12. 400 26. 115
13. 380 27. 110
14. 347 28. 100

1. 100V Primary - 600 Secondary

kVA Output Amps Aluminum Copper
3 5 - T37888
5 8.33 - T37889
7.5 12.5 - T37890
10 16.67 T26915 T37891
15 25 T26916 T37892
25 41.67 T26917 T37893
37.5 62.5 T26918 T37894
50 83.33 T26919 T37895
75 125 T26920 T37896
100 166.67 T26921 T37897
167 278.33 T26922 T37898
200 333.33 T26923 T37899
250 416.67 T26924 T37900
330 550 T26925 T37901

2. 100V Primary - 575 Secondary

kVA Output Amps Aluminum Copper
3 5.22 - T37902
5 8.70 - T37903
7.5 13.04 - T37904
10 17.39 T26929 T37905
15 26.09 T26930 T37906
25 43.48 T26931 T37907
37.5 65.22 T26932 T37908
50 86.96 T26933 T37909
75 130.43 T26934 T37910
100 173.91 T26935 T37911
167 290.43 T26936 T37912
200 347.83 T26937 T37913
250 434.78 T26938 T37914
330 573.91 T26939 T37915

3. 100V Primary - 550 Secondary

kVA Output Amps Aluminum Copper
3 5.45 - T37916
5 9.09 - T37917
7.5 13.64 - T37918
10 18.18 T26943 T37919
15 27.27 T26944 T37920
25 45.45 T26945 T37921
37.5 68.18 T26946 T37922
50 90.91 T26947 T37923
75 136.36 T26948 T37924
100 181.82 T26949 T37925
167 303.64 T26950 T37926
200 363.64 T26951 T37927
250 454.55 T26952 T37928
330 600 T26953 T37929

4. 100V Primary - 480 Secondary

kVA Output Amps Aluminum Copper
3 6.25 - T37930
5 10.42 - T37931
7.5 15.63 - T37932
10 20.83 T26957 T37933
15 31.25 T26958 T37934
25 52.08 T26959 T37935
37.5 78.13 T26960 T37936
50 104.17 T26961 T37937
75 156.25 T26962 T37938
100 208.33 T26963 T37939
167 347.92 T26964 T37940
200 416.67 T26965 T37941
250 520.83 T26966 T37942
330 687.50 T26967 T37943

5. 100V Primary - 240/480 Secondary

kVA Output Amps Aluminum Copper
3 12.5/6.25 - T37944
5 20.83/10.42 - T37945
7.5 31.25/15.63 - T37946
10 41.67/20.83 T26971 T37947
15 62.5/31.25 T26972 T37948
25 104.17/52.08 T26973 T37949
37.5 156.25/78.13 T26974 T37950
50 208.33/104.17 T26975 T37951
75 312.5/156.25 T26976 T37952
100 416.67/208.33 T26977 T37953
167 695.83/347.92 T26978 T37954
200 833.33/416.67 T26979 T37955
250 1041.67/520.83 T26980 T37956
330 1375/687.5 T26981 T37957

6. 100V Primary - 460 Secondary

kVA Output Amps Aluminum Copper
3 6.52 - T37958
5 10.87 - T37959
7.5 16.30 - T37960
10 21.74 T26985 T37961
15 32.61 T26986 T37962
25 54.35 T26987 T37963
37.5 81.52 T26988 T37964
50 108.70 T26989 T37965
75 163.04 T26990 T37966
100 217.39 T26991 T37967
167 363.04 T26992 T37968
200 434.78 T26993 T37969
250 543.48 T26994 T37970
330 717.39 T26995 T37971

7. 100V Primary - 230/460 Secondary

kVA Output Amps Aluminum Copper
3 13.04/6.52 - T37972
5 21.74/10.87 - T37973
7.5 32.61/16.3 - T37974
10 43.48/21.74 T26999 T37975
15 65.22/32.61 T27000 T37976
25 108.7/54.35 T27001 T37977
37.5 163.04/81.52 T27002 T37978
50 217.39/108.7 T27003 T37979
75 326.09/163.04 T27004 T37980
100 434.78/217.39 T27005 T37981
167 726.09/363.04 T27006 T37982
200 869.57/434.78 T27007 T37983
250 1086.96/543.48 T27008 T37984
330 1434.78/717.39 T27009 T37985

8. 100V Primary - 440 Secondary

kVA Output Amps Aluminum Copper
3 6.82 - T37986
5 11.36 - T37987
7.5 17.05 - T37988
10 22.73 T27013 T37989
15 34.09 T27014 T37990
25 56.82 T27015 T37991
37.5 85.23 T27016 T37992
50 113.64 T27017 T37993
75 170.45 T27018 T37994
100 227.27 T27019 T37995
167 379.55 T27020 T37996
200 454.55 T27021 T37997
250 568.18 T27022 T37998
330 750 T27023 T37999

9. 100V Primary - 220/440 Secondary

kVA Output Amps Aluminum Copper
3 13.64/6.82 - T38000
5 22.73/11.36 - T38001
7.5 34.09/17.05 - T38002
10 45.45/22.73 T27027 T38003
15 68.18/34.09 T27028 T38004
25 113.64/56.82 T27029 T38005
37.5 170.45/85.23 T27030 T38006
50 227.27/113.64 T27031 T38007
75 340.91/170.45 T27032 T38008
100 454.55/227.27 T27033 T38009
167 759.09/379.55 T27034 T38010
200 909.09/454.55 T27035 T38011
250 1136.36/568.18 T27036 T38012
330 1500/750 T27037 T38013

10. 100V Primary - 416 Secondary

kVA Output Amps Aluminum Copper
3 7.21 - T38014
5 12.02 - T38015
7.5 18.03 - T38016
10 24.04 T27041 T38017
15 36.06 T27042 T38018
25 60.10 T27043 T38019
37.5 90.14 T27044 T38020
50 120.19 T27045 T38021
75 180.29 T27046 T38022
100 240.38 T27047 T38023
167 401.44 T27048 T38024
200 480.77 T27049 T38025
250 600.96 T27050 T38026
330 793.27 T27051 T38027

11. 100V Primary - 208/416 Secondary

kVA Output Amps Aluminum Copper
3 14.42/7.21 - T38028
5 24.04/12.02 - T38029
7.5 36.06/18.03 - T38030
10 48.08/24.04 T27055 T38031
15 72.12/36.06 T27056 T38032
25 120.19/60.1 T27057 T38033
37.5 180.29/90.14 T27058 T38034
50 240.38/120.19 T27059 T38035
75 360.58/180.29 T27060 T38036
100 480.77/240.38 T27061 T38037
167 802.88/401.44 T27062 T38038
200 961.54/480.77 T27063 T38039
250 1201.92/600.96 T27064 T38040
330 1586.54/793.27 T27065 T38041

12. 100V Primary - 400 Secondary

kVA Output Amps Aluminum Copper
3 7.5 - T38042
5 12.5 - T38043
7.5 18.75 - T38044
10 25 T27069 T38045
15 37.5 T27070 T38046
25 62.5 T27071 T38047
37.5 93.75 T27072 T38048
50 125 T27073 T38049
75 187.5 T27074 T38050
100 250 T27075 T38051
167 417.5 T27076 T38052
200 500 T27077 T38053
250 625 T27078 T38054
330 825 T27079 T38055

13. 100V Primary - 380 Secondary

kVA Output Amps Aluminum Copper
3 7.89 - T38056
5 13.16 - T38057
7.5 19.74 - T38058
10 26.32 T27083 T38059
15 39.47 T27084 T38060
25 65.79 T27085 T38061
37.5 98.68 T27086 T38062
50 131.58 T27087 T38063
75 197.37 T27088 T38064
100 263.16 T27089 T38065
167 439.47 T27090 T38066
200 526.32 T27091 T38067
250 657.89 T27092 T38068
330 868.42 T27093 T38069

14. 100V Primary - 347 Secondary

kVA Output Amps Aluminum Copper
3 8.65 - T38070
5 14.41 - T38071
7.5 21.61 - T38072
10 28.82 T27097 T38073
15 43.23 T27098 T38074
25 72.05 T27099 T38075
37.5 108.07 T27100 T38076
50 144.09 T27101 T38077
75 216.14 T27102 T38078
100 288.18 T27103 T38079
167 481.27 T27104 T38080
200 576.37 T27105 T38081
250 720.46 T27106 T38082
330 951.01 T27107 T38083

15. 100V Primary - 277 Secondary

kVA Output Amps Aluminum Copper
3 10.83 - T38084
5 18.05 - T38085
7.5 27.08 - T38086
10 36.10 T27111 T38087
15 54.15 T27112 T38088
25 90.25 T27113 T38089
37.5 135.38 T27114 T38090
50 180.51 T27115 T38091
75 270.76 T27116 T38092
100 361.01 T27117 T38093
167 602.89 T27118 T38094
200 722.02 T27119 T38095
250 902.53 T27120 T38096
330 1191.34 T27121 T38097

16. 100V Primary - 240 Secondary

kVA Output Amps Aluminum Copper
3 12.5 - T38098
5 20.83 - T38099
7.5 31.25 - T38100
10 41.67 T27125 T38101
15 62.5 T27126 T38102
25 104.17 T27127 T38103
37.5 156.25 T27128 T38104
50 208.33 T27129 T38105
75 312.5 T27130 T38106
100 416.67 T27131 T38107
167 695.83 T27132 T38108
200 833.33 T27133 T38109
250 1041.67 T27134 T38110
330 1375 T27135 T38111

17. 100V Primary - 120/240 Secondary

kVA Output Amps Aluminum Copper
3 25/12.5 - T38112
5 41.67/20.83 - T38113
7.5 62.5/31.25 - T38114
10 83.33/41.67 T27139 T38115
15 125/62.5 T27140 T38116
25 208.33/104.17 T27141 T38117
37.5 312.5/156.25 T27142 T38118
50 416.67/208.33 T27143 T38119
75 625/312.5 T27144 T38120
100 833.33/416.67 T27145 T38121
167 1391.67/695.83 T27146 T38122
200 1666.67/833.33 T27147 T38123
250 2083.33/1041.67 T27148 T38124
330 2750/1375 T27149 T38125

18. 100V Primary - 230 Secondary

kVA Output Amps Aluminum Copper
3 13.04 - T38126
5 21.74 - T38127
7.5 32.61 - T38128
10 43.48 T27153 T38129
15 65.22 T27154 T38130
25 108.70 T27155 T38131
37.5 163.04 T27156 T38132
50 217.39 T27157 T38133
75 326.09 T27158 T38134
100 434.78 T27159 T38135
167 726.09 T27160 T38136
200 869.57 T27161 T38137
250 1086.96 T27162 T38138
330 1434.78 T27163 T38139

19. 100V Primary - 115/230 Secondary

kVA Output Amps Aluminum Copper
3 26.09/13.04 - T38140
5 43.48/21.74 - T38141
7.5 65.22/32.61 - T38142
10 86.96/43.48 T27167 T38143
15 130.43/65.22 T27168 T38144
25 217.39/108.7 T27169 T38145
37.5 326.09/163.04 T27170 T38146
50 434.78/217.39 T27171 T38147
75 652.17/326.09 T27172 T38148
100 869.57/434.78 T27173 T38149
167 1452.17/726.09 T27174 T38150
200 1739.13/869.57 T27175 T38151
250 2173.91/1086.96 T27176 T38152
330 2869.57/1434.78 T27177 T38153

20. 100V Primary - 220 Secondary

kVA Output Amps Aluminum Copper
3 13.64 - T38154
5 22.73 - T38155
7.5 34.09 - T38156
10 45.45 T27181 T38157
15 68.18 T27182 T38158
25 113.64 T27183 T38159
37.5 170.45 T27184 T38160
50 227.27 T27185 T38161
75 340.91 T27186 T38162
100 454.55 T27187 T38163
167 759.09 T27188 T38164
200 909.09 T27189 T38165
250 1136.36 T27190 T38166
330 1500 T27191 T38167

21. 100V Primary - 110/220 Secondary

kVA Output Amps Aluminum Copper
3 27.27/13.64 - T38168
5 45.45/22.73 - T38169
7.5 68.18/34.09 - T38170
10 90.91/45.45 T27195 T38171
15 136.36/68.18 T27196 T38172
25 227.27/113.64 T27197 T38173
37.5 340.91/170.45 T27198 T38174
50 454.55/227.27 T27199 T38175
75 681.82/340.91 T27200 T38176
100 909.09/454.55 T27201 T38177
167 1518.18/759.09 T27202 T38178
200 1818.18/909.09 T27203 T38179
250 2272.73/1136.36 T27204 T38180
330 3000/1500 T27205 T38181

22. 100V Primary - 208 Secondary

kVA Output Amps Aluminum Copper
3 14.42 - T38182
5 24.04 - T38183
7.5 36.06 - T38184
10 48.08 T27209 T38185
15 72.12 T27210 T38186
25 120.19 T27211 T38187
37.5 180.29 T27212 T38188
50 240.38 T27213 T38189
75 360.58 T27214 T38190
100 480.77 T27215 T38191
167 802.88 T27216 T38192
200 961.54 T27217 T38193
250 1201.92 T27218 T38194
330 1586.54 T27219 T38195

23. 100V Primary - 200 Secondary

kVA Output Amps Aluminum Copper
3 15 - T38196
5 25 - T38197
7.5 37.5 - T38198
10 50 T27223 T38199
15 75 T27224 T38200
25 125 T27225 T38201
37.5 187.5 T27226 T38202
50 250 T27227 T38203
75 375 T27228 T38204
100 500 T27229 T38205
167 835 T27230 T38206
200 1000 T27231 T38207
250 1250 T27232 T38208
330 1650 T27233 T38209

24. 100V Primary - 190 Secondary

kVA Output Amps Aluminum Copper
3 15.79 - T38210
5 26.32 - T38211
7.5 39.47 - T38212
10 52.63 T27237 T38213
15 78.95 T27238 T38214
25 131.58 T27239 T38215
37.5 197.37 T27240 T38216
50 263.16 T27241 T38217
75 394.74 T27242 T38218
100 526.32 T27243 T38219
167 878.95 T27244 T38220
200 1052.63 T27245 T38221
250 1315.79 T27246 T38222
330 1736.84 T27247 T38223

25. 100V Primary - 120 Secondary

kVA Output Amps Aluminum Copper
3 25 - T38224
5 41.67 - T38225
7.5 62.5 - T38226
10 83.33 T27251 T38227
15 125 T27252 T38228
25 208.33 T27253 T38229
37.5 312.5 T27254 T38230
50 416.67 T27255 T38231
75 625 T27256 T38232
100 833.33 T27257 T38233
167 1391.67 T27258 T38234
200 1666.67 T27259 T38235
250 2083.33 T27260 T38236
330 2750 T27261 T38237

26. 100V Primary - 115 Secondary

kVA Output Amps Aluminum Copper
3 26.09 - T38238
5 43.48 - T38239
7.5 65.22 - T38240
10 86.96 T27265 T38241
15 130.43 T27266 T38242
25 217.39 T27267 T38243
37.5 326.09 T27268 T38244
50 434.78 T27269 T38245
75 652.17 T27270 T38246
100 869.57 T27271 T38247
167 1452.17 T27272 T38248
200 1739.13 T27273 T38249
250 2173.91 T27274 T38250
330 2869.57 T27275 T38251

27. 100V Primary - 110 Secondary

kVA Output Amps Aluminum Copper
3 27.27 - T38252
5 45.45 - T38253
7.5 68.18 - T38254
10 90.91 T27279 T38255
15 136.36 T27280 T38256
25 227.27 T27281 T38257
37.5 340.91 T27282 T38258
50 454.55 T27283 T38259
75 681.82 T27284 T38260
100 909.09 T27285 T38261
167 1518.18 T27286 T38262
200 1818.18 T27287 T38263
250 2272.73 T27288 T38264
330 3000 T27289 T38265

28. 100V Primary - 100 Secondary

kVA Output Amps Aluminum Copper
3 30 - T38266
5 50 - T38267
7.5 75 - T38268
10 100 T27293 T38269
15 150 T27294 T38270
25 250 T27295 T38271
37.5 375 T27296 T38272
50 500 T27297 T38273
75 750 T27298 T38274
100 1000 T27299 T38275
167 1670 T27300 T38276
200 2000 T27301 T38277
250 2500 T27302 T38278
330 3300 T27303 T38279