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D r y - T y p e D i s t r i b u t i o n T r a n s f o r m e r s Non-Standard Three Phase Voltage Applications
THREE PHASE
Voltages
Input Output Available kVA
Range Type of Circuit Acme Drawing
Number
208 Delta 208Y/120 3-75 Isolation A-125879
208 Delta 208Y/120 3-86 Auto Zig-Zag ① A-125895
208 Delta 240 Delta/120 1.68-25.2 O.D. ISO A-700314
208 Delta 240 Delta 3-75 Isolation A-125880
208 Delta 416Y/240 3-75 Isolation A-700598
208 Delta 416Y/240 112.5-300 Isolation A-700591
208Y/120 208Y/120 3-75 Isolation A-125857
208Y/120 374Y/216 22.5-75 Isolation A-125883
208Y/120 374Y/216 112.5-750 Isolation A-102730
208Y/120 480Y/277 3-75 Isolation B-39881 (pg 2)
240 Delta 208Y/120 3-15 Isolation A-125855
240 Delta 208Y/120 9-15 Isolation A-102723
240 Delta 208Y/120 22.5-75 Isolation A-102722-B
240 Delta 208Y/120 112.5-750 Isolation A-125856
240 Delta 208Y/120 3-75 Isolation A-125858
240 Delta 240 Delta 3-75 Isolation A-125859
240 Delta 240Y/138 10.3-258.75 Auto Zig-Zag ① A-125896
240 Delta 374Y/216 22.5-75 Isolation A-125881
240 Delta 374Y/216 112.5-750 Isolation A-125882
240 Delta 480Y/277 3-75 Isolation B-39881 (pg 1)
380 Delta 240 Delta 3-75 Isolation A-700592
380 Delta 240 Delta 112.5-300 Isolation A-700593
380 Delta 228 Delta 1.4-7.0 O.D. Auto A-35633
380 Delta 228 Delta 4.2-7.0 O.D. Auto A-125892
380 Delta 228 Delta 10.4-34.5 O.D. Auto A-125893
380 Delta 228 Delta 51-227 O.D. Auto A-125894
380 Delta 416Y/240 3-75 Isolation A-700599
380 Delta 416Y/240 112.5-300 Isolation A-700594
380Y/220 240 Delta 3-75 Isolation A-700600
380Y/220 240 Delta 112.5-300 Isolation A-700595
416Y/240 440 Delta 3-75 Isolation A-700602
416Y/240 440 Delta 112.5-300 Isolation A-700597
416 Delta 240 Delta 3-75 Isolation A-700601
416 Delta 240 Delta 112.5-300 Isolation A-700596
KEY
O.D. — Open Delta
ISO — Isolation
AUTO — Autotransformer
① Cannot Be Reverse Connected
Voltages
Input Output Available kVA
Range Type of Circuit Acme Drawing
Number
416Y/240 208Y/120 3-15 Isolation A-700319
416Y/240 208Y/120 22.5-75 Isolation A-700322
480 Delta 240 Delta/120 1.68-5.04 O.D. ISO Hi-Leg ① A-125849
480 Delta 240 Delta/120 3.36 O.D. ISO Hi-Leg ① A-125850
480 Delta 240 Delta/120 5.04 O.D. ISO Hi-Leg ① A-125851
480 Delta 240 Delta/120 8.4 O.D. ISO Hi-Leg ① A-125852
480 Delta 240 Delta/120 12.6-25.2 O.D. ISO Hi-Leg ① A-125853
480 Delta 240 Delta/120 42 O.D. ISO Hi-Leg ① A-125854
480 Delta 240 Delta/120 63-266 O.D. ISO Hi-Leg ① A-111702
480 Delta 240 Delta 1.68-8.4 O.D. ISO A-32817-B
480 Delta 240 Delta 5.04-8.4 O.D. ISO A-125872
480 Delta 240 Delta 12.6-42 O.D. ISO A-125873
480 Delta 240 Delta 63-420 O.D. ISO A-125874
480 Delta 416Y/240 3-15 Isolation A-125875
480 Delta 416Y/240 9-15 Isolation A-125876
480 Delta 416Y/240 22.5-75 Isolation A-125877
480 Delta 416Y/240 112.5-750 Isolation A-125878
480 Delta 394Y/228 9-15 Isolation A-125884
480 Delta 394Y/228 22.5-75 Isolation A-125885
480 Delta 394Y/228 112.5-750 Isolation A-125886
600 Delta 208Y/120 3-6 Isolation A-102758
600 Delta 208Y/120 9-75 Isolation A-125863
600 Delta 208Y/120 112.5-500 Isolation A-125864
600 Delta 240 Delta 3-6 Isolation A-125860
600 Delta 240 Delta 9-75 Isolation A-125861
600 Delta 240 Delta 112.5-500 Isolation A-125862
600 Delta 240 Delta/120 1.68-2.52 O.D. ISO Hi-Leg ① A-125865
600 Delta 240 Delta/120 3.36 O.D. ISO Hi-Leg ① A-125866
600 Delta 240 Delta/120 5.04-25.2 O.D. ISO Hi-Leg ① A-125867
600 Delta 240 Delta/120 42 O.D. ISO Hi-Leg ① A-125868
600 Delta 240 Delta/120 63-168 O.D. ISO Hi-Leg ① A-125869
600 Delta 240 Delta 1.68-3.36 O.D. ISO A-33227-A
600 Delta 240 Delta 5.04-42 O.D. ISO A-125870
600 Delta 240 Delta 63-280 O.D. ISO A-125871
Many non-standard voltage correction problems can be solved by using standard off-the-shelf single phase transformers.
Drawings for these products can be downloaded from our website at If you don’t find the particular
combination you are looking for, contact our technical services department for further assistance at 1-800-334-5214.