G. 230/460 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. 230/460V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T29656 |
5 | 8.33 | - | T29657 |
7.5 | 12.5 | - | T29658 |
10 | 16.67 | T18683 | T29659 |
15 | 25 | T18684 | T29660 |
25 | 41.67 | T18685 | T29661 |
37.5 | 62.5 | T18686 | T29662 |
50 | 83.33 | T18687 | T29663 |
75 | 125 | T18688 | T29664 |
100 | 166.67 | T18689 | T29665 |
167 | 278.33 | T18690 | T29666 |
200 | 333.33 | T18691 | T29667 |
250 | 416.67 | T18692 | T29668 |
330 | 550 | T18693 | T29669 |
2. 230/460V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T29670 |
5 | 8.70 | - | T29671 |
7.5 | 13.04 | - | T29672 |
10 | 17.39 | T18697 | T29673 |
15 | 26.09 | T18698 | T29674 |
25 | 43.48 | T18699 | T29675 |
37.5 | 65.22 | T18700 | T29676 |
50 | 86.96 | T18701 | T29677 |
75 | 130.43 | T18702 | T29678 |
100 | 173.91 | T18703 | T29679 |
167 | 290.43 | T18704 | T29680 |
200 | 347.83 | T18705 | T29681 |
250 | 434.78 | T18706 | T29682 |
330 | 573.91 | T18707 | T29683 |
3. 230/460V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T29684 |
5 | 9.09 | - | T29685 |
7.5 | 13.64 | - | T29686 |
10 | 18.18 | T18711 | T29687 |
15 | 27.27 | T18712 | T29688 |
25 | 45.45 | T18713 | T29689 |
37.5 | 68.18 | T18714 | T29690 |
50 | 90.91 | T18715 | T29691 |
75 | 136.36 | T18716 | T29692 |
100 | 181.82 | T18717 | T29693 |
167 | 303.64 | T18718 | T29694 |
200 | 363.64 | T18719 | T29695 |
250 | 454.55 | T18720 | T29696 |
330 | 600 | T18721 | T29697 |
4. 230/460V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T29698 |
5 | 10.42 | - | T29699 |
7.5 | 15.63 | - | T29700 |
10 | 20.83 | T18725 | T29701 |
15 | 31.25 | T18726 | T29702 |
25 | 52.08 | T18727 | T29703 |
37.5 | 78.13 | T18728 | T29704 |
50 | 104.17 | T18729 | T29705 |
75 | 156.25 | T18730 | T29706 |
100 | 208.33 | T18731 | T29707 |
167 | 347.92 | T18732 | T29708 |
200 | 416.67 | T18733 | T29709 |
250 | 520.83 | T18734 | T29710 |
330 | 687.50 | T18735 | T29711 |
5. 230/460V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T29712 |
5 | 20.83/10.42 | - | T29713 |
7.5 | 31.25/15.63 | - | T29714 |
10 | 41.67/20.83 | T18739 | T29715 |
15 | 62.5/31.25 | T18740 | T29716 |
25 | 104.17/52.08 | T18741 | T29717 |
37.5 | 156.25/78.13 | T18742 | T29718 |
50 | 208.33/104.17 | T18743 | T29719 |
75 | 312.5/156.25 | T18744 | T29720 |
100 | 416.67/208.33 | T18745 | T29721 |
167 | 695.83/347.92 | T18746 | T29722 |
200 | 833.33/416.67 | T18747 | T29723 |
250 | 1041.67/520.83 | T18748 | T29724 |
330 | 1375/687.5 | T18749 | T29725 |
6. 230/460V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T29726 |
5 | 10.87 | - | T29727 |
7.5 | 16.30 | - | T29728 |
10 | 21.74 | T18753 | T29729 |
15 | 32.61 | T18754 | T29730 |
25 | 54.35 | T18755 | T29731 |
37.5 | 81.52 | T18756 | T29732 |
50 | 108.70 | T18757 | T29733 |
75 | 163.04 | T18758 | T29734 |
100 | 217.39 | T18759 | T29735 |
167 | 363.04 | T18760 | T29736 |
200 | 434.78 | T18761 | T29737 |
250 | 543.48 | T18762 | T29738 |
330 | 717.39 | T18763 | T29739 |
7. 230/460V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T29740 |
5 | 21.74/10.87 | - | T29741 |
7.5 | 32.61/16.3 | - | T29742 |
10 | 43.48/21.74 | T18767 | T29743 |
15 | 65.22/32.61 | T18768 | T29744 |
25 | 108.7/54.35 | T18769 | T29745 |
37.5 | 163.04/81.52 | T18770 | T29746 |
50 | 217.39/108.7 | T18771 | T29747 |
75 | 326.09/163.04 | T18772 | T29748 |
100 | 434.78/217.39 | T18773 | T29749 |
167 | 726.09/363.04 | T18774 | T29750 |
200 | 869.57/434.78 | T18775 | T29751 |
250 | 1086.96/543.48 | T18776 | T29752 |
330 | 1434.78/717.39 | T18777 | T29753 |
8. 230/460V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T29754 |
5 | 11.36 | - | T29755 |
7.5 | 17.05 | - | T29756 |
10 | 22.73 | T18781 | T29757 |
15 | 34.09 | T18782 | T29758 |
25 | 56.82 | T18783 | T29759 |
37.5 | 85.23 | T18784 | T29760 |
50 | 113.64 | T18785 | T29761 |
75 | 170.45 | T18786 | T29762 |
100 | 227.27 | T18787 | T29763 |
167 | 379.55 | T18788 | T29764 |
200 | 454.55 | T18789 | T29765 |
250 | 568.18 | T18790 | T29766 |
330 | 750 | T18791 | T29767 |
9. 230/460V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T29768 |
5 | 22.73/11.36 | - | T29769 |
7.5 | 34.09/17.05 | - | T29770 |
10 | 45.45/22.73 | T18795 | T29771 |
15 | 68.18/34.09 | T18796 | T29772 |
25 | 113.64/56.82 | T18797 | T29773 |
37.5 | 170.45/85.23 | T18798 | T29774 |
50 | 227.27/113.64 | T18799 | T29775 |
75 | 340.91/170.45 | T18800 | T29776 |
100 | 454.55/227.27 | T18801 | T29777 |
167 | 759.09/379.55 | T18802 | T29778 |
200 | 909.09/454.55 | T18803 | T29779 |
250 | 1136.36/568.18 | T18804 | T29780 |
330 | 1500/750 | T18805 | T29781 |
10. 230/460V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T29782 |
5 | 12.02 | - | T29783 |
7.5 | 18.03 | - | T29784 |
10 | 24.04 | T18809 | T29785 |
15 | 36.06 | T18810 | T29786 |
25 | 60.10 | T18811 | T29787 |
37.5 | 90.14 | T18812 | T29788 |
50 | 120.19 | T18813 | T29789 |
75 | 180.29 | T18814 | T29790 |
100 | 240.38 | T18815 | T29791 |
167 | 401.44 | T18816 | T29792 |
200 | 480.77 | T18817 | T29793 |
250 | 600.96 | T18818 | T29794 |
330 | 793.27 | T18819 | T29795 |
11. 230/460V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T29796 |
5 | 24.04/12.02 | - | T29797 |
7.5 | 36.06/18.03 | - | T29798 |
10 | 48.08/24.04 | T18823 | T29799 |
15 | 72.12/36.06 | T18824 | T29800 |
25 | 120.19/60.1 | T18825 | T29801 |
37.5 | 180.29/90.14 | T18826 | T29802 |
50 | 240.38/120.19 | T18827 | T29803 |
75 | 360.58/180.29 | T18828 | T29804 |
100 | 480.77/240.38 | T18829 | T29805 |
167 | 802.88/401.44 | T18830 | T29806 |
200 | 961.54/480.77 | T18831 | T29807 |
250 | 1201.92/600.96 | T18832 | T29808 |
330 | 1586.54/793.27 | T18833 | T29809 |
12. 230/460V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T29810 |
5 | 12.5 | - | T29811 |
7.5 | 18.75 | - | T29812 |
10 | 25 | T18837 | T29813 |
15 | 37.5 | T18838 | T29814 |
25 | 62.5 | T18839 | T29815 |
37.5 | 93.75 | T18840 | T29816 |
50 | 125 | T18841 | T29817 |
75 | 187.5 | T18842 | T29818 |
100 | 250 | T18843 | T29819 |
167 | 417.5 | T18844 | T29820 |
200 | 500 | T18845 | T29821 |
250 | 625 | T18846 | T29822 |
330 | 825 | T18847 | T29823 |
13. 230/460V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T29824 |
5 | 13.16 | - | T29825 |
7.5 | 19.74 | - | T29826 |
10 | 26.32 | T18851 | T29827 |
15 | 39.47 | T18852 | T29828 |
25 | 65.79 | T18853 | T29829 |
37.5 | 98.68 | T18854 | T29830 |
50 | 131.58 | T18855 | T29831 |
75 | 197.37 | T18856 | T29832 |
100 | 263.16 | T18857 | T29833 |
167 | 439.47 | T18858 | T29834 |
200 | 526.32 | T18859 | T29835 |
250 | 657.89 | T18860 | T29836 |
330 | 868.42 | T18861 | T29837 |
14. 230/460V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T29838 |
5 | 14.41 | - | T29839 |
7.5 | 21.61 | - | T29840 |
10 | 28.82 | T18865 | T29841 |
15 | 43.23 | T18866 | T29842 |
25 | 72.05 | T18867 | T29843 |
37.5 | 108.07 | T18868 | T29844 |
50 | 144.09 | T18869 | T29845 |
75 | 216.14 | T18870 | T29846 |
100 | 288.18 | T18871 | T29847 |
167 | 481.27 | T18872 | T29848 |
200 | 576.37 | T18873 | T29849 |
250 | 720.46 | T18874 | T29850 |
330 | 951.01 | T18875 | T29851 |
15. 230/460V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T29852 |
5 | 18.05 | - | T29853 |
7.5 | 27.08 | - | T29854 |
10 | 36.10 | T18879 | T29855 |
15 | 54.15 | T18880 | T29856 |
25 | 90.25 | T18881 | T29857 |
37.5 | 135.38 | T18882 | T29858 |
50 | 180.51 | T18883 | T29859 |
75 | 270.76 | T18884 | T29860 |
100 | 361.01 | T18885 | T29861 |
167 | 602.89 | T18886 | T29862 |
200 | 722.02 | T18887 | T29863 |
250 | 902.53 | T18888 | T29864 |
330 | 1191.34 | T18889 | T29865 |
16. 230/460V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T29866 |
5 | 20.83 | - | T29867 |
7.5 | 31.25 | - | T29868 |
10 | 41.67 | T18893 | T29869 |
15 | 62.5 | T18894 | T29870 |
25 | 104.17 | T18895 | T29871 |
37.5 | 156.25 | T18896 | T29872 |
50 | 208.33 | T18897 | T29873 |
75 | 312.5 | T18898 | T29874 |
100 | 416.67 | T18899 | T29875 |
167 | 695.83 | T18900 | T29876 |
200 | 833.33 | T18901 | T29877 |
250 | 1041.67 | T18902 | T29878 |
330 | 1375 | T18903 | T29879 |
17. 230/460V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T29880 |
5 | 41.67/20.83 | - | T29881 |
7.5 | 62.5/31.25 | - | T29882 |
10 | 83.33/41.67 | T18907 | T29883 |
15 | 125/62.5 | T18908 | T29884 |
25 | 208.33/104.17 | T18909 | T29885 |
37.5 | 312.5/156.25 | T18910 | T29886 |
50 | 416.67/208.33 | T18911 | T29887 |
75 | 625/312.5 | T18912 | T29888 |
100 | 833.33/416.67 | T18913 | T29889 |
167 | 1391.67/695.83 | T18914 | T29890 |
200 | 1666.67/833.33 | T18915 | T29891 |
250 | 2083.33/1041.67 | T18916 | T29892 |
330 | 2750/1375 | T18917 | T29893 |
18. 230/460V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T29894 |
5 | 21.74 | - | T29895 |
7.5 | 32.61 | - | T29896 |
10 | 43.48 | T18921 | T29897 |
15 | 65.22 | T18922 | T29898 |
25 | 108.70 | T18923 | T29899 |
37.5 | 163.04 | T18924 | T29900 |
50 | 217.39 | T18925 | T29901 |
75 | 326.09 | T18926 | T29902 |
100 | 434.78 | T18927 | T29903 |
167 | 726.09 | T18928 | T29904 |
200 | 869.57 | T18929 | T29905 |
250 | 1086.96 | T18930 | T29906 |
330 | 1434.78 | T18931 | T29907 |
19. 230/460V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T29908 |
5 | 43.48/21.74 | - | T29909 |
7.5 | 65.22/32.61 | - | T29910 |
10 | 86.96/43.48 | T18935 | T29911 |
15 | 130.43/65.22 | T18936 | T29912 |
25 | 217.39/108.7 | T18937 | T29913 |
37.5 | 326.09/163.04 | T18938 | T29914 |
50 | 434.78/217.39 | T18939 | T29915 |
75 | 652.17/326.09 | T18940 | T29916 |
100 | 869.57/434.78 | T18941 | T29917 |
167 | 1452.17/726.09 | T18942 | T29918 |
200 | 1739.13/869.57 | T18943 | T29919 |
250 | 2173.91/1086.96 | T18944 | T29920 |
330 | 2869.57/1434.78 | T18945 | T29921 |
20. 230/460V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T29922 |
5 | 22.73 | - | T29923 |
7.5 | 34.09 | - | T29924 |
10 | 45.45 | T18949 | T29925 |
15 | 68.18 | T18950 | T29926 |
25 | 113.64 | T18951 | T29927 |
37.5 | 170.45 | T18952 | T29928 |
50 | 227.27 | T18953 | T29929 |
75 | 340.91 | T18954 | T29930 |
100 | 454.55 | T18955 | T29931 |
167 | 759.09 | T18956 | T29932 |
200 | 909.09 | T18957 | T29933 |
250 | 1136.36 | T18958 | T29934 |
330 | 1500 | T18959 | T29935 |
21. 230/460V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T29936 |
5 | 45.45/22.73 | - | T29937 |
7.5 | 68.18/34.09 | - | T29938 |
10 | 90.91/45.45 | T18963 | T29939 |
15 | 136.36/68.18 | T18964 | T29940 |
25 | 227.27/113.64 | T18965 | T29941 |
37.5 | 340.91/170.45 | T18966 | T29942 |
50 | 454.55/227.27 | T18967 | T29943 |
75 | 681.82/340.91 | T18968 | T29944 |
100 | 909.09/454.55 | T18969 | T29945 |
167 | 1518.18/759.09 | T18970 | T29946 |
200 | 1818.18/909.09 | T18971 | T29947 |
250 | 2272.73/1136.36 | T18972 | T29948 |
330 | 3000/1500 | T18973 | T29949 |
22. 230/460V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T29950 |
5 | 24.04 | - | T29951 |
7.5 | 36.06 | - | T29952 |
10 | 48.08 | T18977 | T29953 |
15 | 72.12 | T18978 | T29954 |
25 | 120.19 | T18979 | T29955 |
37.5 | 180.29 | T18980 | T29956 |
50 | 240.38 | T18981 | T29957 |
75 | 360.58 | T18982 | T29958 |
100 | 480.77 | T18983 | T29959 |
167 | 802.88 | T18984 | T29960 |
200 | 961.54 | T18985 | T29961 |
250 | 1201.92 | T18986 | T29962 |
330 | 1586.54 | T18987 | T29963 |
23. 230/460V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T29964 |
5 | 25 | - | T29965 |
7.5 | 37.5 | - | T29966 |
10 | 50 | T18991 | T29967 |
15 | 75 | T18992 | T29968 |
25 | 125 | T18993 | T29969 |
37.5 | 187.5 | T18994 | T29970 |
50 | 250 | T18995 | T29971 |
75 | 375 | T18996 | T29972 |
100 | 500 | T18997 | T29973 |
167 | 835 | T18998 | T29974 |
200 | 1000 | T18999 | T29975 |
250 | 1250 | T19000 | T29976 |
330 | 1650 | T19001 | T29977 |
24. 230/460V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T29978 |
5 | 26.32 | - | T29979 |
7.5 | 39.47 | - | T29980 |
10 | 52.63 | T19005 | T29981 |
15 | 78.95 | T19006 | T29982 |
25 | 131.58 | T19007 | T29983 |
37.5 | 197.37 | T19008 | T29984 |
50 | 263.16 | T19009 | T29985 |
75 | 394.74 | T19010 | T29986 |
100 | 526.32 | T19011 | T29987 |
167 | 878.95 | T19012 | T29988 |
200 | 1052.63 | T19013 | T29989 |
250 | 1315.79 | T19014 | T29990 |
330 | 1736.84 | T19015 | T29991 |
25. 230/460V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T29992 |
5 | 41.67 | - | T29993 |
7.5 | 62.5 | - | T29994 |
10 | 83.33 | T19019 | T29995 |
15 | 125 | T19020 | T29996 |
25 | 208.33 | T19021 | T29997 |
37.5 | 312.5 | T19022 | T29998 |
50 | 416.67 | T19023 | T29999 |
75 | 625 | T19024 | T30000 |
100 | 833.33 | T19025 | T30001 |
167 | 1391.67 | T19026 | T30002 |
200 | 1666.67 | T19027 | T30003 |
250 | 2083.33 | T19028 | T30004 |
330 | 2750 | T19029 | T30005 |
26. 230/460V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T30006 |
5 | 43.48 | - | T30007 |
7.5 | 65.22 | - | T30008 |
10 | 86.96 | T19033 | T30009 |
15 | 130.43 | T19034 | T30010 |
25 | 217.39 | T19035 | T30011 |
37.5 | 326.09 | T19036 | T30012 |
50 | 434.78 | T19037 | T30013 |
75 | 652.17 | T19038 | T30014 |
100 | 869.57 | T19039 | T30015 |
167 | 1452.17 | T19040 | T30016 |
200 | 1739.13 | T19041 | T30017 |
250 | 2173.91 | T19042 | T30018 |
330 | 2869.57 | T19043 | T30019 |
27. 230/460V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T30020 |
5 | 45.45 | - | T30021 |
7.5 | 68.18 | - | T30022 |
10 | 90.91 | T19047 | T30023 |
15 | 136.36 | T19048 | T30024 |
25 | 227.27 | T19049 | T30025 |
37.5 | 340.91 | T19050 | T30026 |
50 | 454.55 | T19051 | T30027 |
75 | 681.82 | T19052 | T30028 |
100 | 909.09 | T19053 | T30029 |
167 | 1518.18 | T19054 | T30030 |
200 | 1818.18 | T19055 | T30031 |
250 | 2272.73 | T19056 | T30032 |
330 | 3000 | T19057 | T30033 |
28. 230/460V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T30034 |
5 | 50 | - | T30035 |
7.5 | 75 | - | T30036 |
10 | 100 | T19061 | T30037 |
15 | 150 | T19062 | T30038 |
25 | 250 | T19063 | T30039 |
37.5 | 375 | T19064 | T30040 |
50 | 500 | T19065 | T30041 |
75 | 750 | T19066 | T30042 |
100 | 1000 | T19067 | T30043 |
167 | 1670 | T19068 | T30044 |
200 | 2000 | T19069 | T30045 |
250 | 2500 | T19070 | T30046 |
330 | 3300 | T19071 | T30047 |