220/440 Volt Primary Single Phase Isolation Transformers

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