120 Volt Three Phase Isolation Transformers

Q. 120 Volt Primary Three Phase Isolation Transformers

TEMCo Three 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.

TEMCO 3 Phase Isolation Transformer

1. 120V Primary - 600Y/347 Secondary

kVA Output Amps Aluminum Copper
3 2.89 - T48700
6 5.77 - T48701
9 8.66 - T48702
15 14.43 T42652 T48703
30 28.87 T42653 T48704
45 43.30 T42654 T48705
75 72.17 T42655 T48706
112.5 108.26 T42656 T48707
150 144.34 T42657 T48708
225 216.51 T42658 T48709
300 288.68 T42659 T48710
450 433.03 T42660 T48711
500 481.14 T42661 T48712
600 577.37 T42662 T48713
750 721.71 T42663 T48714

2. 120V Primary - 575Y/230 Secondary

kVA Output Amps Aluminum Copper
3 3.01 - T48715
6 6.02 - T48716
9 9.04 - T48717
15 15.06 T42664 T48718
30 30.12 T42665 T48719
45 45.19 T42666 T48720
75 75.31 T42667 T48721
112.5 112.96 T42668 T48722
150 150.62 T42669 T48723
225 225.93 T42670 T48724
300 301.24 T42671 T48725
450 451.85 T42672 T48726
500 502.06 T42673 T48727
600 602.47 T42674 T48728
750 753.09 T42675 T48729

3. 120V Primary - 550Y/316 Secondary

kVA Output Amps Aluminum Copper
3 3.15 - T48730
6 6.30 - T48731
9 9.45 - T48732
15 15.75 T42676 T48733
30 31.49 T42677 T48734
45 47.24 T42678 T48735
75 78.73 T42679 T48736
112.5 118.10 T42680 T48737
150 157.46 T42681 T48738
225 236.20 T42682 T48739
300 314.93 T42683 T48740
450 472.39 T42684 T48741
500 524.88 T42685 T48742
600 629.86 T42686 T48743
750 787.32 T42687 T48744

4. 120V Primary - 480Y/277 Secondary

kVA Output Amps Aluminum Copper
3 3.61 - T48745
6 7.22 - T48746
9 10.83 - T48747
15 18.04 T42688 T48748
30 36.09 T42689 T48749
45 54.13 T42690 T48750
75 90.21 T42691 T48751
112.5 135.32 T42692 T48752
150 180.43 T42693 T48753
225 270.64 T42694 T48754
300 360.85 T42695 T48755
450 541.28 T42696 T48756
500 601.42 T42697 T48757
600 721.71 T42698 T48758
750 902.14 T42699 T48759

5. 120V Primary - 460V Delta Secondary

kVA Output Amps Aluminum Copper
3 3.77 - T48760
6 7.53 - T48761
9 11.30 - T48762
15 18.83 T42700 T48763
30 37.65 T42701 T48764
45 56.48 T42702 T48765
75 94.14 T42703 T48766
112.5 141.20 T42704 T48767
150 188.27 T42705 T48768
225 282.41 T42706 T48769
300 376.54 T42707 T48770
450 564.82 T42708 T48771
500 627.57 T42709 T48772
600 753.09 T42710 T48773
750 941.36 T42711 T48774

6. 120V Primary - 440V Delta Secondary

kVA Output Amps Aluminum Copper
3 3.94 - T48775
6 7.87 - T48776
9 11.81 - T48777
15 19.68 T42712 T48778
30 39.37 T42713 T48779
45 59.05 T42714 T48780
75 98.41 T42715 T48781
112.5 147.62 T42716 T48782
150 196.83 T42717 T48783
225 295.24 T42718 T48784
300 393.66 T42719 T48785
450 590.49 T42720 T48786
500 656.10 T42721 T48787
600 787.32 T42722 T48788
750 984.15 T42723 T48789

7. 120V Primary - 416Y/240 Secondary

kVA Output Amps Aluminum Copper
3 4.16 - T48790
6 8.33 - T48791
9 12.49 - T48792
15 20.82 T42724 T48793
30 41.64 T42725 T48794
45 62.46 T42726 T48795
75 104.09 T42727 T48796
112.5 156.14 T42728 T48797
150 208.19 T42729 T48798
225 312.28 T42730 T48799
300 416.37 T42731 T48800
450 624.56 T42732 T48801
500 693.95 T42733 T48802
600 832.74 T42734 T48803
750 1040.93 T42735 T48804

8. 120V Primary - 400Y/230 Secondary

kVA Output Amps Aluminum Copper
3 4.33 - T48805
6 8.66 - T48806
9 12.99 - T48807
15 21.65 T42736 T48808
30 43.30 T42737 T48809
45 64.95 T42738 T48810
75 108.26 T42739 T48811
112.5 162.38 T42740 T48812
150 216.51 T42741 T48813
225 324.77 T42742 T48814
300 433.03 T42743 T48815
450 649.54 T42744 T48816
500 721.71 T42745 T48817
600 866.05 T42746 T48818
750 1082.56 T42747 T48819

9. 120V Primary - 380Y/220 Secondary

kVA Output Amps Aluminum Copper
3 4.56 - T48820
6 9.12 - T48821
9 13.67 - T48822
15 22.79 T42748 T48823
30 45.58 T42749 T48824
45 68.37 T42750 T48825
75 113.95 T42751 T48826
112.5 170.93 T42752 T48827
150 227.91 T42753 T48828
225 341.86 T42754 T48829
300 455.82 T42755 T48830
450 683.72 T42756 T48831
500 759.69 T42757 T48832
600 911.63 T42758 T48833
750 1139.54 T42759 T48834

10. 120V Primary - 240Y/139 Secondary

kVA Output Amps Aluminum Copper
3 7.22 - T48835
6 14.43 - T48836
9 21.65 - T48837
15 36.09 T42760 T48838
30 72.17 T42761 T48839
45 108.26 T42762 T48840
75 180.43 T42763 T48841
112.5 270.64 T42764 T48842
150 360.85 T42765 T48843
225 541.28 T42766 T48844
300 721.71 T42767 T48845
450 1082.56 T42768 T48846
500 1202.85 T42769 T48847
600 1443.42 T42770 T48848
750 1804.27 T42771 T48849

11. 120V Primary - 240CTD/120 Secondary

kVA Output Amps Aluminum Copper
3 7.22 - T48850
6 14.43 - T48851
9 21.65 - T48852
15 36.09 T42772 T48853
30 72.17 T42773 T48854
45 108.26 T42774 T48855
75 180.43 T42775 T48856
112.5 270.64 T42776 T48857
150 360.85 T42777 T48858
225 541.28 T42778 T48859
300 721.71 T42779 T48860
450 1082.56 T42780 T48861
500 1202.85 T42781 T48862
600 1443.42 T42782 T48863
750 1804.27 T42783 T48864

12. 120V Primary - 230Y/133 Secondary

kVA Output Amps Aluminum Copper
3 7.53 - T48865
6 15.06 - T48866
9 22.59 - T48867
15 37.65 T42784 T48868
30 75.31 T42785 T48869
45 112.96 T42786 T48870
75 188.27 T42787 T48871
112.5 282.41 T42788 T48872
150 376.54 T42789 T48873
225 564.82 T42790 T48874
300 753.09 T42791 T48875
450 1129.63 T42792 T48876
500 1255.15 T42793 T48877
600 1506.18 T42794 T48878
750 1882.72 T42795 T48879

13. 120V Primary - 220Y/127 Secondary

kVA Output Amps Aluminum Copper
3 7.87 - T48880
6 15.75 - T48881
9 23.62 - T48882
15 39.37 T42796 T48883
30 78.73 T42797 T48884
45 118.10 T42798 T48885
75 196.83 T42799 T48886
112.5 295.24 T42800 T48887
150 393.66 T42801 T48888
225 590.49 T42802 T48889
300 787.32 T42803 T48890
450 1180.98 T42804 T48891
500 1312.20 T42805 T48892
600 1574.64 T42806 T48893
750 1968.30 T42807 T48894

14. 120V Primary - 216V Delta Secondary

kVA Output Amps Aluminum Copper
3 8.02 - T48895
6 16.04 - T48896
9 24.06 - T48897
15 40.09 T42808 T48898
30 80.19 T42809 T48899
45 120.28 T42810 T48900
75 200.47 T42811 T48901
112.5 300.71 T42812 T48902
150 400.95 T42813 T48903
225 601.42 T42814 T48904
300 801.90 T42815 T48905
450 1202.85 T42816 T48906
500 1336.50 T42817 T48907
600 1603.80 T42818 T48908
750 2004.75 T42819 T48909

15. 120V Primary - 208Y/120 Secondary

kVA Output Amps Aluminum Copper
3 8.33 - T48910
6 16.65 - T48911
9 24.98 - T48912
15 41.64 T42820 T48913
30 83.27 T42821 T48914
45 124.91 T42822 T48915
75 208.19 T42823 T48916
112.5 312.28 T42824 T48917
150 416.37 T42825 T48918
225 624.56 T42826 T48919
300 832.74 T42827 T48920
450 1249.11 T42828 T48921
500 1387.90 T42829 T48922
600 1665.48 T42830 T48923
750 2081.85 T42831 T48924

16. 120V Primary - 200Y/115 Secondary

kVA Output Amps Aluminum Copper
3 8.66 - T48925
6 17.32 - T48926
9 25.98 - T48927
15 43.30 T42832 T48928
30 86.61 T42833 T48929
45 129.91 T42834 T48930
75 216.51 T42835 T48931
112.5 324.77 T42836 T48932
150 433.03 T42837 T48933
225 649.54 T42838 T48934
300 866.05 T42839 T48935
450 1299.08 T42840 T48936
500 1443.42 T42841 T48937
600 1732.10 T42842 T48938
750 2165.13 T42843 T48939

17. 120V Primary - 190Y/110 Secondary

kVA Output Amps Aluminum Copper
3 9.12 - T48940
6 18.23 - T48941
9 27.35 - T48942
15 45.58 T42844 T48943
30 91.16 T42845 T48944
45 136.74 T42846 T48945
75 227.91 T42847 T48946
112.5 341.86 T42848 T48947
150 455.82 T42849 T48948
225 683.72 T42850 T48949
300 911.63 T42851 T48950
450 1367.45 T42852 T48951
500 1519.39 T42853 T48952
600 1823.26 T42854 T48953
750 2279.08 T42855 T48954

18. 120V Primary - 120V Delta Secondary

kVA Output Amps Aluminum Copper
3 14.43 - T48955
6 28.87 - T48956
9 43.30 - T48957
15 72.17 T42856 T48958
30 144.34 T42857 T48959
45 216.51 T42858 T48960
75 360.85 T42859 T48961
112.5 541.28 T42860 T48962
150 721.71 T42861 T48963
225 1082.56 T42862 T48964
300 1443.42 T42863 T48965
450 2165.13 T42864 T48966
500 2405.70 T42865 T48967
600 2886.84 T42866 T48968
750 3608.55 T42867 T48969

19. 120V Primary - 115V Delta Secondary

kVA Output Amps Aluminum Copper
3 15.06 - T48970
6 30.12 - T48971
9 45.19 - T48972
15 75.31 T42868 T48973
30 150.62 T42869 T48974
45 225.93 T42870 T48975
75 376.54 T42871 T48976
112.5 564.82 T42872 T48977
150 753.09 T42873 T48978
225 1129.63 T42874 T48979
300 1506.18 T42875 T48980
450 2259.26 T42876 T48981
500 2510.29 T42877 T48982
600 3012.35 T42878 T48983
750 3765.44 T42879 T48984

20. 120V Primary - 110V Delta Secondary

kVA Output Amps Aluminum Copper
3 15.75 - T48985
6 31.49 - T48986
9 47.24 - T48987
15 78.73 T42880 T48988
30 157.46 T42881 T48989
45 236.20 T42882 T48990
75 393.66 T42883 T48991
112.5 590.49 T42884 T48992
150 787.32 T42885 T48993
225 1180.98 T42886 T48994
300 1574.64 T42887 T48995
450 2361.96 T42888 T48996
500 2624.40 T42889 T48997
600 3149.28 T42890 T48998
750 3936.59 T42891 T48999

21. 120V Primary - 100V Delta Secondary

kVA Output Amps Aluminum Copper
3 17.32 - T49000
6 34.64 - T49001
9 51.96 - T49002
15 86.61 T42892 T49003
30 173.21 T42893 T49004
45 259.82 T42894 T49005
75 433.03 T42895 T49006
112.5 649.54 T42896 T49007
150 866.05 T42897 T49008
225 1299.08 T42898 T49009
300 1732.10 T42899 T49010
450 2598.15 T42900 T49011
500 2886.84 T42901 T49012
600 3464.20 T42902 T49013
750 4330.25 T42903 T49014