Q. 120/240 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. 120/240V Primary - 600 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5 | - | T33576 |
5 | 8.33 | - | T33577 |
7.5 | 12.5 | - | T33578 |
10 | 16.67 | T22603 | T33579 |
15 | 25 | T22604 | T33580 |
25 | 41.67 | T22605 | T33581 |
37.5 | 62.5 | T22606 | T33582 |
50 | 83.33 | T22607 | T33583 |
75 | 125 | T22608 | T33584 |
100 | 166.67 | T22609 | T33585 |
167 | 278.33 | T22610 | T33586 |
200 | 333.33 | T22611 | T33587 |
250 | 416.67 | T22612 | T33588 |
330 | 550 | T22613 | T33589 |
2. 120/240V Primary - 575 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.22 | - | T33590 |
5 | 8.70 | - | T33591 |
7.5 | 13.04 | - | T33592 |
10 | 17.39 | T22617 | T33593 |
15 | 26.09 | T22618 | T33594 |
25 | 43.48 | T22619 | T33595 |
37.5 | 65.22 | T22620 | T33596 |
50 | 86.96 | T22621 | T33597 |
75 | 130.43 | T22622 | T33598 |
100 | 173.91 | T22623 | T33599 |
167 | 290.43 | T22624 | T33600 |
200 | 347.83 | T22625 | T33601 |
250 | 434.78 | T22626 | T33602 |
330 | 573.91 | T22627 | T33603 |
3. 120/240V Primary - 550 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 5.45 | - | T33604 |
5 | 9.09 | - | T33605 |
7.5 | 13.64 | - | T33606 |
10 | 18.18 | T22631 | T33607 |
15 | 27.27 | T22632 | T33608 |
25 | 45.45 | T22633 | T33609 |
37.5 | 68.18 | T22634 | T33610 |
50 | 90.91 | T22635 | T33611 |
75 | 136.36 | T22636 | T33612 |
100 | 181.82 | T22637 | T33613 |
167 | 303.64 | T22638 | T33614 |
200 | 363.64 | T22639 | T33615 |
250 | 454.55 | T22640 | T33616 |
330 | 600 | T22641 | T33617 |
4. 120/240V Primary - 480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.25 | - | T33618 |
5 | 10.42 | - | T33619 |
7.5 | 15.63 | - | T33620 |
10 | 20.83 | T22645 | T33621 |
15 | 31.25 | T22646 | T33622 |
25 | 52.08 | T22647 | T33623 |
37.5 | 78.13 | T22648 | T33624 |
50 | 104.17 | T22649 | T33625 |
75 | 156.25 | T22650 | T33626 |
100 | 208.33 | T22651 | T33627 |
167 | 347.92 | T22652 | T33628 |
200 | 416.67 | T22653 | T33629 |
250 | 520.83 | T22654 | T33630 |
330 | 687.50 | T22655 | T33631 |
5. 120/240V Primary - 240/480 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5/6.25 | - | T33632 |
5 | 20.83/10.42 | - | T33633 |
7.5 | 31.25/15.63 | - | T33634 |
10 | 41.67/20.83 | T22659 | T33635 |
15 | 62.5/31.25 | T22660 | T33636 |
25 | 104.17/52.08 | T22661 | T33637 |
37.5 | 156.25/78.13 | T22662 | T33638 |
50 | 208.33/104.17 | T22663 | T33639 |
75 | 312.5/156.25 | T22664 | T33640 |
100 | 416.67/208.33 | T22665 | T33641 |
167 | 695.83/347.92 | T22666 | T33642 |
200 | 833.33/416.67 | T22667 | T33643 |
250 | 1041.67/520.83 | T22668 | T33644 |
330 | 1375/687.5 | T22669 | T33645 |
6. 120/240V Primary - 460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.52 | - | T33646 |
5 | 10.87 | - | T33647 |
7.5 | 16.30 | - | T33648 |
10 | 21.74 | T22673 | T33649 |
15 | 32.61 | T22674 | T33650 |
25 | 54.35 | T22675 | T33651 |
37.5 | 81.52 | T22676 | T33652 |
50 | 108.70 | T22677 | T33653 |
75 | 163.04 | T22678 | T33654 |
100 | 217.39 | T22679 | T33655 |
167 | 363.04 | T22680 | T33656 |
200 | 434.78 | T22681 | T33657 |
250 | 543.48 | T22682 | T33658 |
330 | 717.39 | T22683 | T33659 |
7. 120/240V Primary - 230/460 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04/6.52 | - | T33660 |
5 | 21.74/10.87 | - | T33661 |
7.5 | 32.61/16.3 | - | T33662 |
10 | 43.48/21.74 | T22687 | T33663 |
15 | 65.22/32.61 | T22688 | T33664 |
25 | 108.7/54.35 | T22689 | T33665 |
37.5 | 163.04/81.52 | T22690 | T33666 |
50 | 217.39/108.7 | T22691 | T33667 |
75 | 326.09/163.04 | T22692 | T33668 |
100 | 434.78/217.39 | T22693 | T33669 |
167 | 726.09/363.04 | T22694 | T33670 |
200 | 869.57/434.78 | T22695 | T33671 |
250 | 1086.96/543.48 | T22696 | T33672 |
330 | 1434.78/717.39 | T22697 | T33673 |
8. 120/240V Primary - 440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 6.82 | - | T33674 |
5 | 11.36 | - | T33675 |
7.5 | 17.05 | - | T33676 |
10 | 22.73 | T22701 | T33677 |
15 | 34.09 | T22702 | T33678 |
25 | 56.82 | T22703 | T33679 |
37.5 | 85.23 | T22704 | T33680 |
50 | 113.64 | T22705 | T33681 |
75 | 170.45 | T22706 | T33682 |
100 | 227.27 | T22707 | T33683 |
167 | 379.55 | T22708 | T33684 |
200 | 454.55 | T22709 | T33685 |
250 | 568.18 | T22710 | T33686 |
330 | 750 | T22711 | T33687 |
9. 120/240V Primary - 220/440 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64/6.82 | - | T33688 |
5 | 22.73/11.36 | - | T33689 |
7.5 | 34.09/17.05 | - | T33690 |
10 | 45.45/22.73 | T22715 | T33691 |
15 | 68.18/34.09 | T22716 | T33692 |
25 | 113.64/56.82 | T22717 | T33693 |
37.5 | 170.45/85.23 | T22718 | T33694 |
50 | 227.27/113.64 | T22719 | T33695 |
75 | 340.91/170.45 | T22720 | T33696 |
100 | 454.55/227.27 | T22721 | T33697 |
167 | 759.09/379.55 | T22722 | T33698 |
200 | 909.09/454.55 | T22723 | T33699 |
250 | 1136.36/568.18 | T22724 | T33700 |
330 | 1500/750 | T22725 | T33701 |
10. 120/240V Primary - 416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.21 | - | T33702 |
5 | 12.02 | - | T33703 |
7.5 | 18.03 | - | T33704 |
10 | 24.04 | T22729 | T33705 |
15 | 36.06 | T22730 | T33706 |
25 | 60.10 | T22731 | T33707 |
37.5 | 90.14 | T22732 | T33708 |
50 | 120.19 | T22733 | T33709 |
75 | 180.29 | T22734 | T33710 |
100 | 240.38 | T22735 | T33711 |
167 | 401.44 | T22736 | T33712 |
200 | 480.77 | T22737 | T33713 |
250 | 600.96 | T22738 | T33714 |
330 | 793.27 | T22739 | T33715 |
11. 120/240V Primary - 208/416 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42/7.21 | - | T33716 |
5 | 24.04/12.02 | - | T33717 |
7.5 | 36.06/18.03 | - | T33718 |
10 | 48.08/24.04 | T22743 | T33719 |
15 | 72.12/36.06 | T22744 | T33720 |
25 | 120.19/60.1 | T22745 | T33721 |
37.5 | 180.29/90.14 | T22746 | T33722 |
50 | 240.38/120.19 | T22747 | T33723 |
75 | 360.58/180.29 | T22748 | T33724 |
100 | 480.77/240.38 | T22749 | T33725 |
167 | 802.88/401.44 | T22750 | T33726 |
200 | 961.54/480.77 | T22751 | T33727 |
250 | 1201.92/600.96 | T22752 | T33728 |
330 | 1586.54/793.27 | T22753 | T33729 |
12. 120/240V Primary - 400 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.5 | - | T33730 |
5 | 12.5 | - | T33731 |
7.5 | 18.75 | - | T33732 |
10 | 25 | T22757 | T33733 |
15 | 37.5 | T22758 | T33734 |
25 | 62.5 | T22759 | T33735 |
37.5 | 93.75 | T22760 | T33736 |
50 | 125 | T22761 | T33737 |
75 | 187.5 | T22762 | T33738 |
100 | 250 | T22763 | T33739 |
167 | 417.5 | T22764 | T33740 |
200 | 500 | T22765 | T33741 |
250 | 625 | T22766 | T33742 |
330 | 825 | T22767 | T33743 |
13. 120/240V Primary - 380 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 7.89 | - | T33744 |
5 | 13.16 | - | T33745 |
7.5 | 19.74 | - | T33746 |
10 | 26.32 | T22771 | T33747 |
15 | 39.47 | T22772 | T33748 |
25 | 65.79 | T22773 | T33749 |
37.5 | 98.68 | T22774 | T33750 |
50 | 131.58 | T22775 | T33751 |
75 | 197.37 | T22776 | T33752 |
100 | 263.16 | T22777 | T33753 |
167 | 439.47 | T22778 | T33754 |
200 | 526.32 | T22779 | T33755 |
250 | 657.89 | T22780 | T33756 |
330 | 868.42 | T22781 | T33757 |
14. 120/240V Primary - 347 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 8.65 | - | T33758 |
5 | 14.41 | - | T33759 |
7.5 | 21.61 | - | T33760 |
10 | 28.82 | T22785 | T33761 |
15 | 43.23 | T22786 | T33762 |
25 | 72.05 | T22787 | T33763 |
37.5 | 108.07 | T22788 | T33764 |
50 | 144.09 | T22789 | T33765 |
75 | 216.14 | T22790 | T33766 |
100 | 288.18 | T22791 | T33767 |
167 | 481.27 | T22792 | T33768 |
200 | 576.37 | T22793 | T33769 |
250 | 720.46 | T22794 | T33770 |
330 | 951.01 | T22795 | T33771 |
15. 120/240V Primary - 277 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 10.83 | - | T33772 |
5 | 18.05 | - | T33773 |
7.5 | 27.08 | - | T33774 |
10 | 36.10 | T22799 | T33775 |
15 | 54.15 | T22800 | T33776 |
25 | 90.25 | T22801 | T33777 |
37.5 | 135.38 | T22802 | T33778 |
50 | 180.51 | T22803 | T33779 |
75 | 270.76 | T22804 | T33780 |
100 | 361.01 | T22805 | T33781 |
167 | 602.89 | T22806 | T33782 |
200 | 722.02 | T22807 | T33783 |
250 | 902.53 | T22808 | T33784 |
330 | 1191.34 | T22809 | T33785 |
16. 120/240V Primary - 240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 12.5 | - | T33786 |
5 | 20.83 | - | T33787 |
7.5 | 31.25 | - | T33788 |
10 | 41.67 | T22813 | T33789 |
15 | 62.5 | T22814 | T33790 |
25 | 104.17 | T22815 | T33791 |
37.5 | 156.25 | T22816 | T33792 |
50 | 208.33 | T22817 | T33793 |
75 | 312.5 | T22818 | T33794 |
100 | 416.67 | T22819 | T33795 |
167 | 695.83 | T22820 | T33796 |
200 | 833.33 | T22821 | T33797 |
250 | 1041.67 | T22822 | T33798 |
330 | 1375 | T22823 | T33799 |
17. 120/240V Primary - 120/240 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25/12.5 | - | T33800 |
5 | 41.67/20.83 | - | T33801 |
7.5 | 62.5/31.25 | - | T33802 |
10 | 83.33/41.67 | T22827 | T33803 |
15 | 125/62.5 | T22828 | T33804 |
25 | 208.33/104.17 | T22829 | T33805 |
37.5 | 312.5/156.25 | T22830 | T33806 |
50 | 416.67/208.33 | T22831 | T33807 |
75 | 625/312.5 | T22832 | T33808 |
100 | 833.33/416.67 | T22833 | T33809 |
167 | 1391.67/695.83 | T22834 | T33810 |
200 | 1666.67/833.33 | T22835 | T33811 |
250 | 2083.33/1041.67 | T22836 | T33812 |
330 | 2750/1375 | T22837 | T33813 |
18. 120/240V Primary - 230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.04 | - | T33814 |
5 | 21.74 | - | T33815 |
7.5 | 32.61 | - | T33816 |
10 | 43.48 | T22841 | T33817 |
15 | 65.22 | T22842 | T33818 |
25 | 108.70 | T22843 | T33819 |
37.5 | 163.04 | T22844 | T33820 |
50 | 217.39 | T22845 | T33821 |
75 | 326.09 | T22846 | T33822 |
100 | 434.78 | T22847 | T33823 |
167 | 726.09 | T22848 | T33824 |
200 | 869.57 | T22849 | T33825 |
250 | 1086.96 | T22850 | T33826 |
330 | 1434.78 | T22851 | T33827 |
19. 120/240V Primary - 115/230 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09/13.04 | - | T33828 |
5 | 43.48/21.74 | - | T33829 |
7.5 | 65.22/32.61 | - | T33830 |
10 | 86.96/43.48 | T22855 | T33831 |
15 | 130.43/65.22 | T22856 | T33832 |
25 | 217.39/108.7 | T22857 | T33833 |
37.5 | 326.09/163.04 | T22858 | T33834 |
50 | 434.78/217.39 | T22859 | T33835 |
75 | 652.17/326.09 | T22860 | T33836 |
100 | 869.57/434.78 | T22861 | T33837 |
167 | 1452.17/726.09 | T22862 | T33838 |
200 | 1739.13/869.57 | T22863 | T33839 |
250 | 2173.91/1086.96 | T22864 | T33840 |
330 | 2869.57/1434.78 | T22865 | T33841 |
20. 120/240V Primary - 220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 13.64 | - | T33842 |
5 | 22.73 | - | T33843 |
7.5 | 34.09 | - | T33844 |
10 | 45.45 | T22869 | T33845 |
15 | 68.18 | T22870 | T33846 |
25 | 113.64 | T22871 | T33847 |
37.5 | 170.45 | T22872 | T33848 |
50 | 227.27 | T22873 | T33849 |
75 | 340.91 | T22874 | T33850 |
100 | 454.55 | T22875 | T33851 |
167 | 759.09 | T22876 | T33852 |
200 | 909.09 | T22877 | T33853 |
250 | 1136.36 | T22878 | T33854 |
330 | 1500 | T22879 | T33855 |
21. 120/240V Primary - 110/220 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27/13.64 | - | T33856 |
5 | 45.45/22.73 | - | T33857 |
7.5 | 68.18/34.09 | - | T33858 |
10 | 90.91/45.45 | T22883 | T33859 |
15 | 136.36/68.18 | T22884 | T33860 |
25 | 227.27/113.64 | T22885 | T33861 |
37.5 | 340.91/170.45 | T22886 | T33862 |
50 | 454.55/227.27 | T22887 | T33863 |
75 | 681.82/340.91 | T22888 | T33864 |
100 | 909.09/454.55 | T22889 | T33865 |
167 | 1518.18/759.09 | T22890 | T33866 |
200 | 1818.18/909.09 | T22891 | T33867 |
250 | 2272.73/1136.36 | T22892 | T33868 |
330 | 3000/1500 | T22893 | T33869 |
22. 120/240V Primary - 208 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 14.42 | - | T33870 |
5 | 24.04 | - | T33871 |
7.5 | 36.06 | - | T33872 |
10 | 48.08 | T22897 | T33873 |
15 | 72.12 | T22898 | T33874 |
25 | 120.19 | T22899 | T33875 |
37.5 | 180.29 | T22900 | T33876 |
50 | 240.38 | T22901 | T33877 |
75 | 360.58 | T22902 | T33878 |
100 | 480.77 | T22903 | T33879 |
167 | 802.88 | T22904 | T33880 |
200 | 961.54 | T22905 | T33881 |
250 | 1201.92 | T22906 | T33882 |
330 | 1586.54 | T22907 | T33883 |
23. 120/240V Primary - 200 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15 | - | T33884 |
5 | 25 | - | T33885 |
7.5 | 37.5 | - | T33886 |
10 | 50 | T22911 | T33887 |
15 | 75 | T22912 | T33888 |
25 | 125 | T22913 | T33889 |
37.5 | 187.5 | T22914 | T33890 |
50 | 250 | T22915 | T33891 |
75 | 375 | T22916 | T33892 |
100 | 500 | T22917 | T33893 |
167 | 835 | T22918 | T33894 |
200 | 1000 | T22919 | T33895 |
250 | 1250 | T22920 | T33896 |
330 | 1650 | T22921 | T33897 |
24. 120/240V Primary - 190 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 15.79 | - | T33898 |
5 | 26.32 | - | T33899 |
7.5 | 39.47 | - | T33900 |
10 | 52.63 | T22925 | T33901 |
15 | 78.95 | T22926 | T33902 |
25 | 131.58 | T22927 | T33903 |
37.5 | 197.37 | T22928 | T33904 |
50 | 263.16 | T22929 | T33905 |
75 | 394.74 | T22930 | T33906 |
100 | 526.32 | T22931 | T33907 |
167 | 878.95 | T22932 | T33908 |
200 | 1052.63 | T22933 | T33909 |
250 | 1315.79 | T22934 | T33910 |
330 | 1736.84 | T22935 | T33911 |
25. 120/240V Primary - 120 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 25 | - | T33912 |
5 | 41.67 | - | T33913 |
7.5 | 62.5 | - | T33914 |
10 | 83.33 | T22939 | T33915 |
15 | 125 | T22940 | T33916 |
25 | 208.33 | T22941 | T33917 |
37.5 | 312.5 | T22942 | T33918 |
50 | 416.67 | T22943 | T33919 |
75 | 625 | T22944 | T33920 |
100 | 833.33 | T22945 | T33921 |
167 | 1391.67 | T22946 | T33922 |
200 | 1666.67 | T22947 | T33923 |
250 | 2083.33 | T22948 | T33924 |
330 | 2750 | T22949 | T33925 |
26. 120/240V Primary - 115 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 26.09 | - | T33926 |
5 | 43.48 | - | T33927 |
7.5 | 65.22 | - | T33928 |
10 | 86.96 | T22953 | T33929 |
15 | 130.43 | T22954 | T33930 |
25 | 217.39 | T22955 | T33931 |
37.5 | 326.09 | T22956 | T33932 |
50 | 434.78 | T22957 | T33933 |
75 | 652.17 | T22958 | T33934 |
100 | 869.57 | T22959 | T33935 |
167 | 1452.17 | T22960 | T33936 |
200 | 1739.13 | T22961 | T33937 |
250 | 2173.91 | T22962 | T33938 |
330 | 2869.57 | T22963 | T33939 |
27. 120/240V Primary - 110 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 27.27 | - | T33940 |
5 | 45.45 | - | T33941 |
7.5 | 68.18 | - | T33942 |
10 | 90.91 | T22967 | T33943 |
15 | 136.36 | T22968 | T33944 |
25 | 227.27 | T22969 | T33945 |
37.5 | 340.91 | T22970 | T33946 |
50 | 454.55 | T22971 | T33947 |
75 | 681.82 | T22972 | T33948 |
100 | 909.09 | T22973 | T33949 |
167 | 1518.18 | T22974 | T33950 |
200 | 1818.18 | T22975 | T33951 |
250 | 2272.73 | T22976 | T33952 |
330 | 3000 | T22977 | T33953 |
28. 120/240V Primary - 100 Secondary
kVA | Output Amps | Aluminum | Copper |
3 | 30 | - | T33954 |
5 | 50 | - | T33955 |
7.5 | 75 | - | T33956 |
10 | 100 | T22981 | T33957 |
15 | 150 | T22982 | T33958 |
25 | 250 | T22983 | T33959 |
37.5 | 375 | T22984 | T33960 |
50 | 500 | T22985 | T33961 |
75 | 750 | T22986 | T33962 |
100 | 1000 | T22987 | T33963 |
167 | 1670 | T22988 | T33964 |
200 | 2000 | T22989 | T33965 |
250 | 2500 | T22990 | T33966 |
330 | 3300 | T22991 | T33967 |