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.
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 |