347 Volt Primary Single Phase Isolation Transformers

N. 347 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. 347V Primary - 600 Secondary

kVA Output Amps Aluminum Copper
3 5 - T32400
5 8.33 - T32401
7.5 12.5 - T32402
10 16.67 T21427 T32403
15 25 T21428 T32404
25 41.67 T21429 T32405
37.5 62.5 T21430 T32406
50 83.33 T21431 T32407
75 125 T21432 T32408
100 166.67 T21433 T32409
167 278.33 T21434 T32410
200 333.33 T21435 T32411
250 416.67 T21436 T32412
330 550 T21437 T32413

2. 347V Primary - 575 Secondary

kVA Output Amps Aluminum Copper
3 5.22 - T32414
5 8.70 - T32415
7.5 13.04 - T32416
10 17.39 T21441 T32417
15 26.09 T21442 T32418
25 43.48 T21443 T32419
37.5 65.22 T21444 T32420
50 86.96 T21445 T32421
75 130.43 T21446 T32422
100 173.91 T21447 T32423
167 290.43 T21448 T32424
200 347.83 T21449 T32425
250 434.78 T21450 T32426
330 573.91 T21451 T32427

3. 347V Primary - 550 Secondary

kVA Output Amps Aluminum Copper
3 5.45 - T32428
5 9.09 - T32429
7.5 13.64 - T32430
10 18.18 T21455 T32431
15 27.27 T21456 T32432
25 45.45 T21457 T32433
37.5 68.18 T21458 T32434
50 90.91 T21459 T32435
75 136.36 T21460 T32436
100 181.82 T21461 T32437
167 303.64 T21462 T32438
200 363.64 T21463 T32439
250 454.55 T21464 T32440
330 600 T21465 T32441

4. 347V Primary - 480 Secondary

kVA Output Amps Aluminum Copper
3 6.25 - T32442
5 10.42 - T32443
7.5 15.63 - T32444
10 20.83 T21469 T32445
15 31.25 T21470 T32446
25 52.08 T21471 T32447
37.5 78.13 T21472 T32448
50 104.17 T21473 T32449
75 156.25 T21474 T32450
100 208.33 T21475 T32451
167 347.92 T21476 T32452
200 416.67 T21477 T32453
250 520.83 T21478 T32454
330 687.50 T21479 T32455

5. 347V Primary - 240/480 Secondary

kVA Output Amps Aluminum Copper
3 12.5/6.25 - T32456
5 20.83/10.42 - T32457
7.5 31.25/15.63 - T32458
10 41.67/20.83 T21483 T32459
15 62.5/31.25 T21484 T32460
25 104.17/52.08 T21485 T32461
37.5 156.25/78.13 T21486 T32462
50 208.33/104.17 T21487 T32463
75 312.5/156.25 T21488 T32464
100 416.67/208.33 T21489 T32465
167 695.83/347.92 T21490 T32466
200 833.33/416.67 T21491 T32467
250 1041.67/520.83 T21492 T32468
330 1375/687.5 T21493 T32469

6. 347V Primary - 460 Secondary

kVA Output Amps Aluminum Copper
3 6.52 - T32470
5 10.87 - T32471
7.5 16.30 - T32472
10 21.74 T21497 T32473
15 32.61 T21498 T32474
25 54.35 T21499 T32475
37.5 81.52 T21500 T32476
50 108.70 T21501 T32477
75 163.04 T21502 T32478
100 217.39 T21503 T32479
167 363.04 T21504 T32480
200 434.78 T21505 T32481
250 543.48 T21506 T32482
330 717.39 T21507 T32483

7. 347V Primary - 230/460 Secondary

kVA Output Amps Aluminum Copper
3 13.04/6.52 - T32484
5 21.74/10.87 - T32485
7.5 32.61/16.3 - T32486
10 43.48/21.74 T21511 T32487
15 65.22/32.61 T21512 T32488
25 108.7/54.35 T21513 T32489
37.5 163.04/81.52 T21514 T32490
50 217.39/108.7 T21515 T32491
75 326.09/163.04 T21516 T32492
100 434.78/217.39 T21517 T32493
167 726.09/363.04 T21518 T32494
200 869.57/434.78 T21519 T32495
250 1086.96/543.48 T21520 T32496
330 1434.78/717.39 T21521 T32497

8. 347V Primary - 440 Secondary

kVA Output Amps Aluminum Copper
3 6.82 - T32498
5 11.36 - T32499
7.5 17.05 - T32500
10 22.73 T21525 T32501
15 34.09 T21526 T32502
25 56.82 T21527 T32503
37.5 85.23 T21528 T32504
50 113.64 T21529 T32505
75 170.45 T21530 T32506
100 227.27 T21531 T32507
167 379.55 T21532 T32508
200 454.55 T21533 T32509
250 568.18 T21534 T32510
330 750 T21535 T32511

9. 347V Primary - 220/440 Secondary

kVA Output Amps Aluminum Copper
3 13.64/6.82 - T32512
5 22.73/11.36 - T32513
7.5 34.09/17.05 - T32514
10 45.45/22.73 T21539 T32515
15 68.18/34.09 T21540 T32516
25 113.64/56.82 T21541 T32517
37.5 170.45/85.23 T21542 T32518
50 227.27/113.64 T21543 T32519
75 340.91/170.45 T21544 T32520
100 454.55/227.27 T21545 T32521
167 759.09/379.55 T21546 T32522
200 909.09/454.55 T21547 T32523
250 1136.36/568.18 T21548 T32524
330 1500/750 T21549 T32525

10. 347V Primary - 416 Secondary

kVA Output Amps Aluminum Copper
3 7.21 - T32526
5 12.02 - T32527
7.5 18.03 - T32528
10 24.04 T21553 T32529
15 36.06 T21554 T32530
25 60.10 T21555 T32531
37.5 90.14 T21556 T32532
50 120.19 T21557 T32533
75 180.29 T21558 T32534
100 240.38 T21559 T32535
167 401.44 T21560 T32536
200 480.77 T21561 T32537
250 600.96 T21562 T32538
330 793.27 T21563 T32539

11. 347V Primary - 208/416 Secondary

kVA Output Amps Aluminum Copper
3 14.42/7.21 - T32540
5 24.04/12.02 - T32541
7.5 36.06/18.03 - T32542
10 48.08/24.04 T21567 T32543
15 72.12/36.06 T21568 T32544
25 120.19/60.1 T21569 T32545
37.5 180.29/90.14 T21570 T32546
50 240.38/120.19 T21571 T32547
75 360.58/180.29 T21572 T32548
100 480.77/240.38 T21573 T32549
167 802.88/401.44 T21574 T32550
200 961.54/480.77 T21575 T32551
250 1201.92/600.96 T21576 T32552
330 1586.54/793.27 T21577 T32553

12. 347V Primary - 400 Secondary

kVA Output Amps Aluminum Copper
3 7.5 - T32554
5 12.5 - T32555
7.5 18.75 - T32556
10 25 T21581 T32557
15 37.5 T21582 T32558
25 62.5 T21583 T32559
37.5 93.75 T21584 T32560
50 125 T21585 T32561
75 187.5 T21586 T32562
100 250 T21587 T32563
167 417.5 T21588 T32564
200 500 T21589 T32565
250 625 T21590 T32566
330 825 T21591 T32567

13. 347V Primary - 380 Secondary

kVA Output Amps Aluminum Copper
3 7.89 - T32568
5 13.16 - T32569
7.5 19.74 - T32570
10 26.32 T21595 T32571
15 39.47 T21596 T32572
25 65.79 T21597 T32573
37.5 98.68 T21598 T32574
50 131.58 T21599 T32575
75 197.37 T21600 T32576
100 263.16 T21601 T32577
167 439.47 T21602 T32578
200 526.32 T21603 T32579
250 657.89 T21604 T32580
330 868.42 T21605 T32581

14. 347V Primary - 347 Secondary

kVA Output Amps Aluminum Copper
3 8.65 - T32582
5 14.41 - T32583
7.5 21.61 - T32584
10 28.82 T21609 T32585
15 43.23 T21610 T32586
25 72.05 T21611 T32587
37.5 108.07 T21612 T32588
50 144.09 T21613 T32589
75 216.14 T21614 T32590
100 288.18 T21615 T32591
167 481.27 T21616 T32592
200 576.37 T21617 T32593
250 720.46 T21618 T32594
330 951.01 T21619 T32595

15. 347V Primary - 277 Secondary

kVA Output Amps Aluminum Copper
3 10.83 - T32596
5 18.05 - T32597
7.5 27.08 - T32598
10 36.10 T21623 T32599
15 54.15 T21624 T32600
25 90.25 T21625 T32601
37.5 135.38 T21626 T32602
50 180.51 T21627 T32603
75 270.76 T21628 T32604
100 361.01 T21629 T32605
167 602.89 T21630 T32606
200 722.02 T21631 T32607
250 902.53 T21632 T32608
330 1191.34 T21633 T32609

16. 347V Primary - 240 Secondary

kVA Output Amps Aluminum Copper
3 12.5 - T32610
5 20.83 - T32611
7.5 31.25 - T32612
10 41.67 T21637 T32613
15 62.5 T21638 T32614
25 104.17 T21639 T32615
37.5 156.25 T21640 T32616
50 208.33 T21641 T32617
75 312.5 T21642 T32618
100 416.67 T21643 T32619
167 695.83 T21644 T32620
200 833.33 T21645 T32621
250 1041.67 T21646 T32622
330 1375 T21647 T32623

17. 347V Primary - 120/240 Secondary

kVA Output Amps Aluminum Copper
3 25/12.5 - T32624
5 41.67/20.83 - T32625
7.5 62.5/31.25 - T32626
10 83.33/41.67 T21651 T32627
15 125/62.5 T21652 T32628
25 208.33/104.17 T21653 T32629
37.5 312.5/156.25 T21654 T32630
50 416.67/208.33 T21655 T32631
75 625/312.5 T21656 T32632
100 833.33/416.67 T21657 T32633
167 1391.67/695.83 T21658 T32634
200 1666.67/833.33 T21659 T32635
250 2083.33/1041.67 T21660 T32636
330 2750/1375 T21661 T32637

18. 347V Primary - 230 Secondary

kVA Output Amps Aluminum Copper
3 13.04 - T32638
5 21.74 - T32639
7.5 32.61 - T32640
10 43.48 T21665 T32641
15 65.22 T21666 T32642
25 108.70 T21667 T32643
37.5 163.04 T21668 T32644
50 217.39 T21669 T32645
75 326.09 T21670 T32646
100 434.78 T21671 T32647
167 726.09 T21672 T32648
200 869.57 T21673 T32649
250 1086.96 T21674 T32650
330 1434.78 T21675 T32651

19. 347V Primary - 115/230 Secondary

kVA Output Amps Aluminum Copper
3 26.09/13.04 - T32652
5 43.48/21.74 - T32653
7.5 65.22/32.61 - T32654
10 86.96/43.48 T21679 T32655
15 130.43/65.22 T21680 T32656
25 217.39/108.7 T21681 T32657
37.5 326.09/163.04 T21682 T32658
50 434.78/217.39 T21683 T32659
75 652.17/326.09 T21684 T32660
100 869.57/434.78 T21685 T32661
167 1452.17/726.09 T21686 T32662
200 1739.13/869.57 T21687 T32663
250 2173.91/1086.96 T21688 T32664
330 2869.57/1434.78 T21689 T32665

20. 347V Primary - 220 Secondary

kVA Output Amps Aluminum Copper
3 13.64 - T32666
5 22.73 - T32667
7.5 34.09 - T32668
10 45.45 T21693 T32669
15 68.18 T21694 T32670
25 113.64 T21695 T32671
37.5 170.45 T21696 T32672
50 227.27 T21697 T32673
75 340.91 T21698 T32674
100 454.55 T21699 T32675
167 759.09 T21700 T32676
200 909.09 T21701 T32677
250 1136.36 T21702 T32678
330 1500 T21703 T32679

21. 347V Primary - 110/220 Secondary

kVA Output Amps Aluminum Copper
3 27.27/13.64 - T32680
5 45.45/22.73 - T32681
7.5 68.18/34.09 - T32682
10 90.91/45.45 T21707 T32683
15 136.36/68.18 T21708 T32684
25 227.27/113.64 T21709 T32685
37.5 340.91/170.45 T21710 T32686
50 454.55/227.27 T21711 T32687
75 681.82/340.91 T21712 T32688
100 909.09/454.55 T21713 T32689
167 1518.18/759.09 T21714 T32690
200 1818.18/909.09 T21715 T32691
250 2272.73/1136.36 T21716 T32692
330 3000/1500 T21717 T32693

22. 347V Primary - 208 Secondary

kVA Output Amps Aluminum Copper
3 14.42 - T32694
5 24.04 - T32695
7.5 36.06 - T32696
10 48.08 T21721 T32697
15 72.12 T21722 T32698
25 120.19 T21723 T32699
37.5 180.29 T21724 T32700
50 240.38 T21725 T32701
75 360.58 T21726 T32702
100 480.77 T21727 T32703
167 802.88 T21728 T32704
200 961.54 T21729 T32705
250 1201.92 T21730 T32706
330 1586.54 T21731 T32707

23. 347V Primary - 200 Secondary

kVA Output Amps Aluminum Copper
3 15 - T32708
5 25 - T32709
7.5 37.5 - T32710
10 50 T21735 T32711
15 75 T21736 T32712
25 125 T21737 T32713
37.5 187.5 T21738 T32714
50 250 T21739 T32715
75 375 T21740 T32716
100 500 T21741 T32717
167 835 T21742 T32718
200 1000 T21743 T32719
250 1250 T21744 T32720
330 1650 T21745 T32721

24. 347V Primary - 190 Secondary

kVA Output Amps Aluminum Copper
3 15.79 - T32722
5 26.32 - T32723
7.5 39.47 - T32724
10 52.63 T21749 T32725
15 78.95 T21750 T32726
25 131.58 T21751 T32727
37.5 197.37 T21752 T32728
50 263.16 T21753 T32729
75 394.74 T21754 T32730
100 526.32 T21755 T32731
167 878.95 T21756 T32732
200 1052.63 T21757 T32733
250 1315.79 T21758 T32734
330 1736.84 T21759 T32735

25. 347V Primary - 120 Secondary

kVA Output Amps Aluminum Copper
3 25 - T32736
5 41.67 - T32737
7.5 62.5 - T32738
10 83.33 T21763 T32739
15 125 T21764 T32740
25 208.33 T21765 T32741
37.5 312.5 T21766 T32742
50 416.67 T21767 T32743
75 625 T21768 T32744
100 833.33 T21769 T32745
167 1391.67 T21770 T32746
200 1666.67 T21771 T32747
250 2083.33 T21772 T32748
330 2750 T21773 T32749

26. 347V Primary - 115 Secondary

kVA Output Amps Aluminum Copper
3 26.09 - T32750
5 43.48 - T32751
7.5 65.22 - T32752
10 86.96 T21777 T32753
15 130.43 T21778 T32754
25 217.39 T21779 T32755
37.5 326.09 T21780 T32756
50 434.78 T21781 T32757
75 652.17 T21782 T32758
100 869.57 T21783 T32759
167 1452.17 T21784 T32760
200 1739.13 T21785 T32761
250 2173.91 T21786 T32762
330 2869.57 T21787 T32763

27. 347V Primary - 110 Secondary

kVA Output Amps Aluminum Copper
3 27.27 - T32764
5 45.45 - T32765
7.5 68.18 - T32766
10 90.91 T21791 T32767
15 136.36 T21792 T32768
25 227.27 T21793 T32769
37.5 340.91 T21794 T32770
50 454.55 T21795 T32771
75 681.82 T21796 T32772
100 909.09 T21797 T32773
167 1518.18 T21798 T32774
200 1818.18 T21799 T32775
250 2272.73 T21800 T32776
330 3000 T21801 T32777

28. 347V Primary - 100 Secondary

kVA Output Amps Aluminum Copper
3 30 - T32778
5 50 - T32779
7.5 75 - T32780
10 100 T21805 T32781
15 150 T21806 T32782
25 250 T21807 T32783
37.5 375 T21808 T32784
50 500 T21809 T32785
75 750 T21810 T32786
100 1000 T21811 T32787
167 1670 T21812 T32788
200 2000 T21813 T32789
250 2500 T21814 T32790
330 3300 T21815 T32791