T. 220 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. 220V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T34752 |
5 | 8.33 | - | T34753 |
7.5 | 12.5 | - | T34754 |
10 | 16.67 | T23779 | T34755 |
15 | 25 | T23780 | T34756 |
25 | 41.67 | T23781 | T34757 |
37.5 | 62.5 | T23782 | T34758 |
50 | 83.33 | T23783 | T34759 |
75 | 125 | T23784 | T34760 |
100 | 166.67 | T23785 | T34761 |
167 | 278.33 | T23786 | T34762 |
200 | 333.33 | T23787 | T34763 |
250 | 416.67 | T23788 | T34764 |
330 | 550 | T23789 | T34765 |
2. 220V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T34766 |
5 | 8.70 | - | T34767 |
7.5 | 13.04 | - | T34768 |
10 | 17.39 | T23793 | T34769 |
15 | 26.09 | T23794 | T34770 |
25 | 43.48 | T23795 | T34771 |
37.5 | 65.22 | T23796 | T34772 |
50 | 86.96 | T23797 | T34773 |
75 | 130.43 | T23798 | T34774 |
100 | 173.91 | T23799 | T34775 |
167 | 290.43 | T23800 | T34776 |
200 | 347.83 | T23801 | T34777 |
250 | 434.78 | T23802 | T34778 |
330 | 573.91 | T23803 | T34779 |
3. 220V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T34780 |
5 | 9.09 | - | T34781 |
7.5 | 13.64 | - | T34782 |
10 | 18.18 | T23807 | T34783 |
15 | 27.27 | T23808 | T34784 |
25 | 45.45 | T23809 | T34785 |
37.5 | 68.18 | T23810 | T34786 |
50 | 90.91 | T23811 | T34787 |
75 | 136.36 | T23812 | T34788 |
100 | 181.82 | T23813 | T34789 |
167 | 303.64 | T23814 | T34790 |
200 | 363.64 | T23815 | T34791 |
250 | 454.55 | T23816 | T34792 |
330 | 600 | T23817 | T34793 |
4. 220V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T34794 |
5 | 10.42 | - | T34795 |
7.5 | 15.63 | - | T34796 |
10 | 20.83 | T23821 | T34797 |
15 | 31.25 | T23822 | T34798 |
25 | 52.08 | T23823 | T34799 |
37.5 | 78.13 | T23824 | T34800 |
50 | 104.17 | T23825 | T34801 |
75 | 156.25 | T23826 | T34802 |
100 | 208.33 | T23827 | T34803 |
167 | 347.92 | T23828 | T34804 |
200 | 416.67 | T23829 | T34805 |
250 | 520.83 | T23830 | T34806 |
330 | 687.50 | T23831 | T34807 |
5. 220V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T34808 |
5 | 20.83/10.42 | - | T34809 |
7.5 | 31.25/15.63 | - | T34810 |
10 | 41.67/20.83 | T23835 | T34811 |
15 | 62.5/31.25 | T23836 | T34812 |
25 | 104.17/52.08 | T23837 | T34813 |
37.5 | 156.25/78.13 | T23838 | T34814 |
50 | 208.33/104.17 | T23839 | T34815 |
75 | 312.5/156.25 | T23840 | T34816 |
100 | 416.67/208.33 | T23841 | T34817 |
167 | 695.83/347.92 | T23842 | T34818 |
200 | 833.33/416.67 | T23843 | T34819 |
250 | 1041.67/520.83 | T23844 | T34820 |
330 | 1375/687.5 | T23845 | T34821 |
6. 220V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T34822 |
5 | 10.87 | - | T34823 |
7.5 | 16.30 | - | T34824 |
10 | 21.74 | T23849 | T34825 |
15 | 32.61 | T23850 | T34826 |
25 | 54.35 | T23851 | T34827 |
37.5 | 81.52 | T23852 | T34828 |
50 | 108.70 | T23853 | T34829 |
75 | 163.04 | T23854 | T34830 |
100 | 217.39 | T23855 | T34831 |
167 | 363.04 | T23856 | T34832 |
200 | 434.78 | T23857 | T34833 |
250 | 543.48 | T23858 | T34834 |
330 | 717.39 | T23859 | T34835 |
7. 220V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T34836 |
5 | 21.74/10.87 | - | T34837 |
7.5 | 32.61/16.3 | - | T34838 |
10 | 43.48/21.74 | T23863 | T34839 |
15 | 65.22/32.61 | T23864 | T34840 |
25 | 108.7/54.35 | T23865 | T34841 |
37.5 | 163.04/81.52 | T23866 | T34842 |
50 | 217.39/108.7 | T23867 | T34843 |
75 | 326.09/163.04 | T23868 | T34844 |
100 | 434.78/217.39 | T23869 | T34845 |
167 | 726.09/363.04 | T23870 | T34846 |
200 | 869.57/434.78 | T23871 | T34847 |
250 | 1086.96/543.48 | T23872 | T34848 |
330 | 1434.78/717.39 | T23873 | T34849 |
8. 220V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T34850 |
5 | 11.36 | - | T34851 |
7.5 | 17.05 | - | T34852 |
10 | 22.73 | T23877 | T34853 |
15 | 34.09 | T23878 | T34854 |
25 | 56.82 | T23879 | T34855 |
37.5 | 85.23 | T23880 | T34856 |
50 | 113.64 | T23881 | T34857 |
75 | 170.45 | T23882 | T34858 |
100 | 227.27 | T23883 | T34859 |
167 | 379.55 | T23884 | T34860 |
200 | 454.55 | T23885 | T34861 |
250 | 568.18 | T23886 | T34862 |
330 | 750 | T23887 | T34863 |
9. 220V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T34864 |
5 | 22.73/11.36 | - | T34865 |
7.5 | 34.09/17.05 | - | T34866 |
10 | 45.45/22.73 | T23891 | T34867 |
15 | 68.18/34.09 | T23892 | T34868 |
25 | 113.64/56.82 | T23893 | T34869 |
37.5 | 170.45/85.23 | T23894 | T34870 |
50 | 227.27/113.64 | T23895 | T34871 |
75 | 340.91/170.45 | T23896 | T34872 |
100 | 454.55/227.27 | T23897 | T34873 |
167 | 759.09/379.55 | T23898 | T34874 |
200 | 909.09/454.55 | T23899 | T34875 |
250 | 1136.36/568.18 | T23900 | T34876 |
330 | 1500/750 | T23901 | T34877 |
10. 220V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T34878 |
5 | 12.02 | - | T34879 |
7.5 | 18.03 | - | T34880 |
10 | 24.04 | T23905 | T34881 |
15 | 36.06 | T23906 | T34882 |
25 | 60.10 | T23907 | T34883 |
37.5 | 90.14 | T23908 | T34884 |
50 | 120.19 | T23909 | T34885 |
75 | 180.29 | T23910 | T34886 |
100 | 240.38 | T23911 | T34887 |
167 | 401.44 | T23912 | T34888 |
200 | 480.77 | T23913 | T34889 |
250 | 600.96 | T23914 | T34890 |
330 | 793.27 | T23915 | T34891 |
11. 220V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T34892 |
5 | 24.04/12.02 | - | T34893 |
7.5 | 36.06/18.03 | - | T34894 |
10 | 48.08/24.04 | T23919 | T34895 |
15 | 72.12/36.06 | T23920 | T34896 |
25 | 120.19/60.1 | T23921 | T34897 |
37.5 | 180.29/90.14 | T23922 | T34898 |
50 | 240.38/120.19 | T23923 | T34899 |
75 | 360.58/180.29 | T23924 | T34900 |
100 | 480.77/240.38 | T23925 | T34901 |
167 | 802.88/401.44 | T23926 | T34902 |
200 | 961.54/480.77 | T23927 | T34903 |
250 | 1201.92/600.96 | T23928 | T34904 |
330 | 1586.54/793.27 | T23929 | T34905 |
12. 220V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T34906 |
5 | 12.5 | - | T34907 |
7.5 | 18.75 | - | T34908 |
10 | 25 | T23933 | T34909 |
15 | 37.5 | T23934 | T34910 |
25 | 62.5 | T23935 | T34911 |
37.5 | 93.75 | T23936 | T34912 |
50 | 125 | T23937 | T34913 |
75 | 187.5 | T23938 | T34914 |
100 | 250 | T23939 | T34915 |
167 | 417.5 | T23940 | T34916 |
200 | 500 | T23941 | T34917 |
250 | 625 | T23942 | T34918 |
330 | 825 | T23943 | T34919 |
13. 220V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T34920 |
5 | 13.16 | - | T34921 |
7.5 | 19.74 | - | T34922 |
10 | 26.32 | T23947 | T34923 |
15 | 39.47 | T23948 | T34924 |
25 | 65.79 | T23949 | T34925 |
37.5 | 98.68 | T23950 | T34926 |
50 | 131.58 | T23951 | T34927 |
75 | 197.37 | T23952 | T34928 |
100 | 263.16 | T23953 | T34929 |
167 | 439.47 | T23954 | T34930 |
200 | 526.32 | T23955 | T34931 |
250 | 657.89 | T23956 | T34932 |
330 | 868.42 | T23957 | T34933 |
14. 220V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T34934 |
5 | 14.41 | - | T34935 |
7.5 | 21.61 | - | T34936 |
10 | 28.82 | T23961 | T34937 |
15 | 43.23 | T23962 | T34938 |
25 | 72.05 | T23963 | T34939 |
37.5 | 108.07 | T23964 | T34940 |
50 | 144.09 | T23965 | T34941 |
75 | 216.14 | T23966 | T34942 |
100 | 288.18 | T23967 | T34943 |
167 | 481.27 | T23968 | T34944 |
200 | 576.37 | T23969 | T34945 |
250 | 720.46 | T23970 | T34946 |
330 | 951.01 | T23971 | T34947 |
15. 220V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T34948 |
5 | 18.05 | - | T34949 |
7.5 | 27.08 | - | T34950 |
10 | 36.10 | T23975 | T34951 |
15 | 54.15 | T23976 | T34952 |
25 | 90.25 | T23977 | T34953 |
37.5 | 135.38 | T23978 | T34954 |
50 | 180.51 | T23979 | T34955 |
75 | 270.76 | T23980 | T34956 |
100 | 361.01 | T23981 | T34957 |
167 | 602.89 | T23982 | T34958 |
200 | 722.02 | T23983 | T34959 |
250 | 902.53 | T23984 | T34960 |
330 | 1191.34 | T23985 | T34961 |
16. 220V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T34962 |
5 | 20.83 | - | T34963 |
7.5 | 31.25 | - | T34964 |
10 | 41.67 | T23989 | T34965 |
15 | 62.5 | T23990 | T34966 |
25 | 104.17 | T23991 | T34967 |
37.5 | 156.25 | T23992 | T34968 |
50 | 208.33 | T23993 | T34969 |
75 | 312.5 | T23994 | T34970 |
100 | 416.67 | T23995 | T34971 |
167 | 695.83 | T23996 | T34972 |
200 | 833.33 | T23997 | T34973 |
250 | 1041.67 | T23998 | T34974 |
330 | 1375 | T23999 | T34975 |
17. 220V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T34976 |
5 | 41.67/20.83 | - | T34977 |
7.5 | 62.5/31.25 | - | T34978 |
10 | 83.33/41.67 | T24003 | T34979 |
15 | 125/62.5 | T24004 | T34980 |
25 | 208.33/104.17 | T24005 | T34981 |
37.5 | 312.5/156.25 | T24006 | T34982 |
50 | 416.67/208.33 | T24007 | T34983 |
75 | 625/312.5 | T24008 | T34984 |
100 | 833.33/416.67 | T24009 | T34985 |
167 | 1391.67/695.83 | T24010 | T34986 |
200 | 1666.67/833.33 | T24011 | T34987 |
250 | 2083.33/1041.67 | T24012 | T34988 |
330 | 2750/1375 | T24013 | T34989 |
18. 220V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T34990 |
5 | 21.74 | - | T34991 |
7.5 | 32.61 | - | T34992 |
10 | 43.48 | T24017 | T34993 |
15 | 65.22 | T24018 | T34994 |
25 | 108.70 | T24019 | T34995 |
37.5 | 163.04 | T24020 | T34996 |
50 | 217.39 | T24021 | T34997 |
75 | 326.09 | T24022 | T34998 |
100 | 434.78 | T24023 | T34999 |
167 | 726.09 | T24024 | T35000 |
200 | 869.57 | T24025 | T35001 |
250 | 1086.96 | T24026 | T35002 |
330 | 1434.78 | T24027 | T35003 |
19. 220V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T35004 |
5 | 43.48/21.74 | - | T35005 |
7.5 | 65.22/32.61 | - | T35006 |
10 | 86.96/43.48 | T24031 | T35007 |
15 | 130.43/65.22 | T24032 | T35008 |
25 | 217.39/108.7 | T24033 | T35009 |
37.5 | 326.09/163.04 | T24034 | T35010 |
50 | 434.78/217.39 | T24035 | T35011 |
75 | 652.17/326.09 | T24036 | T35012 |
100 | 869.57/434.78 | T24037 | T35013 |
167 | 1452.17/726.09 | T24038 | T35014 |
200 | 1739.13/869.57 | T24039 | T35015 |
250 | 2173.91/1086.96 | T24040 | T35016 |
330 | 2869.57/1434.78 | T24041 | T35017 |
20. 220V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T35018 |
5 | 22.73 | - | T35019 |
7.5 | 34.09 | - | T35020 |
10 | 45.45 | T24045 | T35021 |
15 | 68.18 | T24046 | T35022 |
25 | 113.64 | T24047 | T35023 |
37.5 | 170.45 | T24048 | T35024 |
50 | 227.27 | T24049 | T35025 |
75 | 340.91 | T24050 | T35026 |
100 | 454.55 | T24051 | T35027 |
167 | 759.09 | T24052 | T35028 |
200 | 909.09 | T24053 | T35029 |
250 | 1136.36 | T24054 | T35030 |
330 | 1500 | T24055 | T35031 |
21. 220V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T35032 |
5 | 45.45/22.73 | - | T35033 |
7.5 | 68.18/34.09 | - | T35034 |
10 | 90.91/45.45 | T24059 | T35035 |
15 | 136.36/68.18 | T24060 | T35036 |
25 | 227.27/113.64 | T24061 | T35037 |
37.5 | 340.91/170.45 | T24062 | T35038 |
50 | 454.55/227.27 | T24063 | T35039 |
75 | 681.82/340.91 | T24064 | T35040 |
100 | 909.09/454.55 | T24065 | T35041 |
167 | 1518.18/759.09 | T24066 | T35042 |
200 | 1818.18/909.09 | T24067 | T35043 |
250 | 2272.73/1136.36 | T24068 | T35044 |
330 | 3000/1500 | T24069 | T35045 |
22. 220V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T35046 |
5 | 24.04 | - | T35047 |
7.5 | 36.06 | - | T35048 |
10 | 48.08 | T24073 | T35049 |
15 | 72.12 | T24074 | T35050 |
25 | 120.19 | T24075 | T35051 |
37.5 | 180.29 | T24076 | T35052 |
50 | 240.38 | T24077 | T35053 |
75 | 360.58 | T24078 | T35054 |
100 | 480.77 | T24079 | T35055 |
167 | 802.88 | T24080 | T35056 |
200 | 961.54 | T24081 | T35057 |
250 | 1201.92 | T24082 | T35058 |
330 | 1586.54 | T24083 | T35059 |
23. 220V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T35060 |
5 | 25 | - | T35061 |
7.5 | 37.5 | - | T35062 |
10 | 50 | T24087 | T35063 |
15 | 75 | T24088 | T35064 |
25 | 125 | T24089 | T35065 |
37.5 | 187.5 | T24090 | T35066 |
50 | 250 | T24091 | T35067 |
75 | 375 | T24092 | T35068 |
100 | 500 | T24093 | T35069 |
167 | 835 | T24094 | T35070 |
200 | 1000 | T24095 | T35071 |
250 | 1250 | T24096 | T35072 |
330 | 1650 | T24097 | T35073 |
24. 220V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T35074 |
5 | 26.32 | - | T35075 |
7.5 | 39.47 | - | T35076 |
10 | 52.63 | T24101 | T35077 |
15 | 78.95 | T24102 | T35078 |
25 | 131.58 | T24103 | T35079 |
37.5 | 197.37 | T24104 | T35080 |
50 | 263.16 | T24105 | T35081 |
75 | 394.74 | T24106 | T35082 |
100 | 526.32 | T24107 | T35083 |
167 | 878.95 | T24108 | T35084 |
200 | 1052.63 | T24109 | T35085 |
250 | 1315.79 | T24110 | T35086 |
330 | 1736.84 | T24111 | T35087 |
25. 220V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T35088 |
5 | 41.67 | - | T35089 |
7.5 | 62.5 | - | T35090 |
10 | 83.33 | T24115 | T35091 |
15 | 125 | T24116 | T35092 |
25 | 208.33 | T24117 | T35093 |
37.5 | 312.5 | T24118 | T35094 |
50 | 416.67 | T24119 | T35095 |
75 | 625 | T24120 | T35096 |
100 | 833.33 | T24121 | T35097 |
167 | 1391.67 | T24122 | T35098 |
200 | 1666.67 | T24123 | T35099 |
250 | 2083.33 | T24124 | T35100 |
330 | 2750 | T24125 | T35101 |
26. 220V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T35102 |
5 | 43.48 | - | T35103 |
7.5 | 65.22 | - | T35104 |
10 | 86.96 | T24129 | T35105 |
15 | 130.43 | T24130 | T35106 |
25 | 217.39 | T24131 | T35107 |
37.5 | 326.09 | T24132 | T35108 |
50 | 434.78 | T24133 | T35109 |
75 | 652.17 | T24134 | T35110 |
100 | 869.57 | T24135 | T35111 |
167 | 1452.17 | T24136 | T35112 |
200 | 1739.13 | T24137 | T35113 |
250 | 2173.91 | T24138 | T35114 |
330 | 2869.57 | T24139 | T35115 |
27. 220V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T35116 |
5 | 45.45 | - | T35117 |
7.5 | 68.18 | - | T35118 |
10 | 90.91 | T24143 | T35119 |
15 | 136.36 | T24144 | T35120 |
25 | 227.27 | T24145 | T35121 |
37.5 | 340.91 | T24146 | T35122 |
50 | 454.55 | T24147 | T35123 |
75 | 681.82 | T24148 | T35124 |
100 | 909.09 | T24149 | T35125 |
167 | 1518.18 | T24150 | T35126 |
200 | 1818.18 | T24151 | T35127 |
250 | 2272.73 | T24152 | T35128 |
330 | 3000 | T24153 | T35129 |
28. 220V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T35130 |
5 | 50 | - | T35131 |
7.5 | 75 | - | T35132 |
10 | 100 | T24157 | T35133 |
15 | 150 | T24158 | T35134 |
25 | 250 | T24159 | T35135 |
37.5 | 375 | T24160 | T35136 |
50 | 500 | T24161 | T35137 |
75 | 750 | T24162 | T35138 |
100 | 1000 | T24163 | T35139 |
167 | 1670 | T24164 | T35140 |
200 | 2000 | T24165 | T35141 |
250 | 2500 | T24166 | T35142 |
330 | 3300 | T24167 | T35143 |