JEFFERSON Cabinet Style Transformers Three-Phase 15 to 1000 KVA TYPICAL APPLICATIONS All general loads, indoors or outdoors, including lighting, industrial & commercial Schools Hospitals Factories Office buildings Housing complexes Amusement parks For the name of your local representative, or for technical assistance, call
30 Three-Phase Cabinet Style features & benefits Designed for lower weight and smaller size, for easier installation and handling. Heavy-duty sheet metal enclosures for better durability in severe industrial applications. Large connection compartment for ease of wiring and installation. Electrostatic-shield to reduce electrical noise. Heat applied ASA-61 Gray Powder Coat Finish to resist corrosion in industrial environments. Quiet operation for more flexibility in choice of mounting locations. Type NEMA 3R outdoor enclosures for all units except 14-145 KVA which are NEMA 1. Optional weathershields available to protect against rain, sleet or ice for outdoor applications. Cores made from high quality electrical steel for increased efficiency and lower operating costs. Built in accordance with ANSI C57.12. Wall mount brackets available for 75 KVA and smaller for 150 C rise units. 220 C insulation system standard with 150 C temperature rise for longer, more reliable life. Low temperature 115 C and 80 C rise units also available. Meets or exceeds all applicable NEMA, ANSI, OSHA, UL and CSA (223 Series) or C-UL (423 Series) requirements. Taps provided on primary to compensate for voltage variations. Made in U.S.A.
THREE-PHASE CABINET STYLE Standard construction features This drawing is for illustration purposes only. Please contact factory for construction details. Electrostatic shielding as standard, enhances performance Standard enclosure NEMA 1 for indoor applications (weathershields available for outdoor applications) Lifting eyes available for easy installation through removable cover Tightly stacked electrical steel core provides lower losses and low noise Standard aluminum coils offer economical solution Front loop taps are staggered for easy connection Vibration isolation pads provide quiet operation Flexible core ground strap Ground stud bolt High voltage terminals and low voltage terminals are staggered up and down sequentially for quick connections Large conduit entry point access to clutter free 75 C wiring compartment Side or bottom conduit access for convenient mounting options Fiberglass terminal board Punched bottom ventilations allow maximum air flow and rodent protection 31
32 THREE-PHASE CABINET STYLE General Purpose Three-Phase 600V Class Standard Application Voltages Cabinet Style Electrostatic Shielded 480 208Y/ 15* 423-3164-055 7 28.63 21.37 16.04 205 30* 423-3194-055 7 28.63 21.37 16.04 265 45* 423-3214-055 7 28.63 21.37 16.04 310 75* 423-3234-055 7 31.50 24.12 16.79 30E 420 112.5 423-3254-055 Yes 7 36.00 29.49 27.79 695 150 423-3264-055 4-2.5% 150 7 36.00 29.49 27.79 780 225 223-3294-055 300 223-3314-055 8 51.88 35.75 30.88 30A 1600 500 223-3344-055 750 223-3364-000 8 80 62 40 3750 1000 223-3394-000 No 8 80 62 40 30B 4400 480 240 ** 15* 423-3167-055 7 28.63 21.37 16.04 205 30* 423-3197-055 7 28.63 21.37 16.04 265 45* 423-3217-055 7 28.63 21.37 16.04 310 75* 423-3237-055 7 31.50 24.12 16.79 30F 420 112.5 423-3257-055 Yes 7 36.00 29.49 27.79 695 150 423-3267-055 4-2.5% 150 7 36.00 29.49 27.79 780 225 223-3297-055 300 223-3317-055 8 51.88 35.75 30.88 30D 1600 500 223-3347-055 750 223-3367-000 8 80 62 40 3750 1000 223-3397-000 No 8 80 62 40 30C 4400 208 208Y/ 15* 423-3168-055 7 28.63 21.37 16.04 205 30* 423-3198-055 7 28.63 21.37 16.04 265 45* 423-3218-055 7 28.63 21.37 16.04 310 35E 75* 423-3238-055 7 31.50 24.12 16.79 420 112.5 423-3258-055 Yes 150 7 36.00 29.49 27.79 695 150 423-3268-055 4-2.5% 7 36.00 29.49 27.79 780 225 223-3298-055 300 223-3318-055 8 51.88 35.75 30.88 35F 1600 500 223-3348-055 CAUTION: When using the V center tap for single-phase applications, the single-hase load should not exceed 5% of the three-phase KVA rating. Connect the X3 high leg to the B phase per NEC 384-3 (do not use for V lighting!). A separate single-phase transformer should be used if the single-phase load is in excess of 5%. NOTE: KVA Housing dimensions subject to change without notice. Contact factory where dimensions are critical. Catalog Number Dimensions (Inches) Temp. Shielded Taps Rise Height Width Depth C Figure A B C * Wall brackets available for units 15 KVA through 75 KVA Cat. No. 223-0008-075. ** Volt Center Tap on center coil, 15 KVA through 500 KVA. Wiring Diagram Approx. Ship Wt. (lbs)
THREE-PHASE CABINET STYLE General Purpose Three-Phase 600V Class Standard Application Voltages Cabinet Style Electrostatic Shielded KVA Catalog Number 15* 423-3165-055 7 28.63 21.37 16.04 205 30* 423-3195-055 7 28.63 21.37 16.04 265 45* 423-3215-055 7 28.63 21.37 16.04 310 35A 75* 423-3235-055 7 31.50 24.12 16.79 420 112.5 423-3255-055 Yes 150 7 36.00 29.49 27.79 695 150 423-3265-055 4-2.5% 7 36.00 29.49 27.79 780 225 223-3295-055 300 223-3315-055 8 51.88 35.75 30.88 35C 1600 500 223-3345-055 600 208Y/ 15* 423-3169-055 7 28.63 21.37 16.04 205 30* 423-3199-055 7 28.63 21.37 16.04 265 45* 423-3219-055 7 28.63 21.37 16.04 310 35B 75* 423-3239-055 7 31.50 24.12 16.79 420 112.5 423-3259-055 Yes 150 7 36.00 29.49 27.79 695 150 423-3269-055 4-2.5% 7 36.00 29.49 27.79 780 225 223-3299-055 300 223-3319-055 8 51.88 35.75 30.88 35D 1600 500 223-3349-055 NOTE: Housing dimensions subject to change without notice. Contact factory where dimensions are critical. * Wall brackets available for units 15 KVA through 75 KVA Cat. No. 223-0008-075. Dimensions (Inches) Temp. Shielded Taps Rise Height Width Depth C Figure A B C 33 Wiring Diagram 208 480Y/277 Cabinet Style 15* 423-3161-055 7 28.63 21.37 16.04 205 30* 423-3191-055 7 28.63 21.37 16.04 265 45* 423-3211-055 7 28.63 21.37 16.04 310 75* 423-3231-055 4-2.5% 7 31.50 24.12 16.79 32A 420 112.5 423-3251-055 Yes 150 7 36.00 29.49 27.79 695 150 423-3261-055 7 36.00 29.49 27.79 780 225 223-3291-055 1-5% 300 223-3311-055 2-5% 8 51.88 35.75 30.88 32B 1600 500 223-3341-055 240 208Y/ Cabinet Style 15* 423-3162-055 7 28.63 21.37 16.04 205 30* 423-3192-055 7 28.63 21.37 16.04 265 45* 423-3212-055 7 28.63 21.37 16.04 310 75* 423-3232-055 4-2.5% 7 31.50 24.12 16.79 32C 420 112.5 423-3252-055 Yes 150 7 36.00 29.49 27.79 695 150 423-3262-055 7 36.00 29.49 27.79 780 225 223-3292-055 1-5% 300 223-3312-055 2-5% 8 51.88 35.75 30.88 32D 1600 500 223-3342-055 480 480Y/277 Approx. Ship Wt. (lbs)
THREE-PHASE CABINET STYLE Wiring Diagram 30A : 480 Delta : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% 504 1 and 2 H1, H2, H3 492 1 and 4 H1, H2, H3 480 2 and 3 H1, H2, H3 468 3 and 4 H1, H2, H3 456 2 and 5 H1, H2, H3 444 4 and 5 H1, H2, H3 432 5 and 6 H1, H2, H3 Between X0 and 1 Phase X1 or X2 or X3 Wiring Diagram 30C : 480 Delta : 240 Delta/ TAPS: 2, 2.5% ; 2, 2.5% 504 1 and 2 H1, H2, H3 492 2 and 3 H1, H2, H3 480 3 and 4 H1, H2, H3 468 4 and 5 H1, H2, H3 456 5 and 6 H1, H2, H3 240 X1, X2, X3 X1 and X4 or X2 and X4 Wiring Diagram 30B : 480 Delta : 208Y/ TAPS: 2, 2.5% ; 2, 2.5% 456 5 and 6 H1, H2, H3 34 504 1 and 2 H1, H2, H3 492 2 and 3 H1, H2, H3 480 3 and 4 H1, H2, H3 468 4 and 5 H1, H2, H3 Between X0 and 1 Phase X1 or X2 or X3 Wiring Diagram 30D : 480 Delta : 240 Delta/ TAPS: 2, 2.5% ; 4, 2.5% 504 1 and 2 H1, H2, H3 492 1 and 4 H1, H2, H3 480 2 and 3 H1, H2, H3 468 3 and 4 H1, H2, H3 456 2 and 5 H1, H2, H3 444 4 and 5 H1, H2, H3 432 5 and 6 H1, H2, H3 240 X1, X2, X3 X1 and X4 or X2 and X4
THREE-PHASE CABINET STYLE Wiring Diagram 30E : 480 Delta : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% Jumper Taps To 504 1 H1, H2, H3 492 2 H1, H2, H3 480 3 H1, H2, H3 468 4 H1, H2, H3 456 5 H1, H2, H3 444 6 H1, H2, H3 432 7 H1, H2, H3 Figure 7 Figure 8 Between X0 and X1 or X2 or X3 Wiring Diagram 30F : 480 Delta : 240 Delta/ TAPS: 2, 2.5% ; 4, 2.5% Figure 9 Jumper Taps To NEMA 3R ENCLOSURE Weathershields 504 1 H1, H2, H3 492 2 H1, H2, H3 480 3 H1, H2, H3 468 4 H1, H2, H3 456 5 H1, H2, H3 444 6 H1, H2, H3 432 7 H1, H2, H3 240 X1, X2, X3 X1 and X4 or X2 and X4 WIDTH B WEATHERSHIELDS 3R-C 21.37 423-0008-045 24.62 24.12 423-0008-075 25.37 29.49 423-0008-150 36.37 35
THREE-PHASE CABINET STYLE Wiring Diagram 32A : 208 Delta : 480Y/277 TAPS: 2, 2.5% ; 4, 2.5% Wiring Diagram 32C : 240 Delta : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% Jumper Taps To 252 1 and 2 H1, H2, H3 246 1 and 4 H1, H2, H3 240 2 and 3 H1, H2, H3 234 3 and 4 H1, H2, H3 228 2 and 5 H1, H2, H3 222 4 and 5 H1, H2, H3 216 5 and 6 H1, H2, H3 Jumper Taps To 218 1 H1, H2, H3 213 2 H1, H2, H3 208 3 H1, H2, H3 203 4 H1, H2, H3 198 5 H1, H2, H3 192 6 H1, H2, H3 187 7 H1, H2, H3 480 X1, X2, X3 277 Between X0 and X1 or X2 or X3 Between X0 and X1 or X2 or X3 Wiring Diagram 32B : 208 Delta : 480Y/277 TAPS: 1, 5% ; 2, 5% Wiring Diagram 32D : 240 Delta : 208Y/ TAPS: 1, 5% ; 2, 5% 252 1 and 2 H1, H2, H3 240 1 and 4 H1, H2, H3 228 2 and 3 H1, H2, H3 216 3 and 4 H1, H2, H3 218 1 and 2 H1, H2, H3 208 1 and 4 H1, H2, H3 198 2 and 3 H1, H2, H3 187 3 and 4 H1, H2, H3 480 X1, X2, X3 277 Between X0 and 1 Phase X1 or X2 or X3 Between X0 and 1 Phase X1 or X2, or X3 36
THREE-PHASE CABINET STYLE Wiring Diagram 35A : 480 Delta : 480Y/277 TAPS: 2, 2.5% ; 4, 2.5% Wiring Diagram 35C : 480 Delta : 480Y/277 TAPS: 2, 2.5% ; 4, 2.5% 504 1 and 2 H1, H2, H3 492 1 and 4 H1, H2, H3 480 2 and 3 H1, H2, H3 468 3 and 4 H1, H2, H3 456 2 and 5 H1, H2, H3 444 4 and 5 H1, H2, H3 432 5 and 6 H1, H2, H3 Jumper Taps To 504 1 H1, H2, H3 492 2 H1, H2, H3 480 3 H1, H2, H3 468 4 H1, H2, H3 456 5 H1, H2, H3 444 6 H1, H2, H3 432 7 H1, H2, H3 480 X1, X2, X3 277 Between X0 and X1 or X2 or X3 480 X1, X2, X3 277 Between X0 and 1 Phase X1 or X2 or X3 Wiring Diagram 35B : 600 : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% Wiring Diagram 35D : 600 : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% 630 1 and 2 H1, H2, H3 615 1 and 4 H1, H2, H3 600 2 and 3 H1, H2, H3 585 3 and 4 H1, H2, H3 570 2 and 5 H1, H2, H3 555 4 and 5 H1, H2, H3 540 5 and 6 H1, H2, H3 630 1 H1, H2, H3 615 2 H1, H2, H3 600 3 H1, H2, H3 585 4 H1, H2, H3 570 5 H1, H2, H3 555 6 H1, H2, H3 540 7 H1, H2, H3 Between X0 and X1 or X2 or X3 Between X0 and 1 Phase X1 or X2 or X3 37
THREE-PHASE CABINET STYLE 38 Wiring Diagram 35E : 208 Delta : 208Y/ TAPS: 2, 2.5% ; 4, 2.5% Jumper Taps To 218 1 H1, H2, H3 213 2 H1, H2, H3 208 3 H1, H2, H3 203 4 H1, H2, H3 198 5 H1, H2, H3 192 6 H1, H2, H3 187 7 H1, H2, H3 Between X0 and X1 or X2 or X3 Wiring Diagram 35F : 208 Delta : 208Y/ TAPS: 1, 5% ; 2, 5% 218 1 and 2 H1, H2, H3 208 1 and 4 H1, H2, H3 198 2 and 3 H1, H2, H3 187 3 and 4 H1, H2, H3 Between X0 and 1 Phase X1 or X2 or X3
Low Temperature Rise Transformers Three-Phase 600V Class Standard Application Voltages Cabinet Style Electrostatic Shielded KVA Catalog Number Dimensions (Inches) Temp. Shielded Taps Rise Height Width Depth C Figure A B C Wiring Diagram 480 208Y/ 15* 423-3164-155 7 28.63 21.37 16.04 205 30* 423-3194-155 7 28.63 21.37 16.04 310 45* 423-3214-155 7 31.50 24.12 16.79 420 30E 75 423-3234-155 7 36.00 29.49 27.79 695 112.5 423-3254-155 4-2.5% 7 36.00 29.49 27.79 780 150 223-3264-155 Yes 115 225 223-3294-155 8 51.88 35.75 30.88 30A 1600 300 223-3314-155 500 223-3344-155 8 80 62 40 3750 750 223-3364-155 8 80 62 40 30B 4400 480 240 ** 15* 423-3167-155 7 28.63 21.37 16.04 205 30* 423-3197-155 7 28.63 21.37 16.04 310 45* 423-3217-155 7 31.50 24.12 16.79 420 30F 75 423-3237-155 7 36.00 29.49 27.79 695 112.5 423-3257-155 4-2.5% 7 36.00 29.49 27.79 780 150 223-3267-155 Yes 115 225 223-3297-155 8 51.88 35.75 30.88 30D 1600 300 223-3317-155 500 223-3347-155 8 80 62 40 3750 750 223-3367-155 8 80 62 40 30C 4400 480 208Y/ 15* 423-3164-085 7 28.63 21.37 16.04 265 30* 423-3194-085 7 28.63 21.37 16.04 310 30E 45* 423-3214-085 7 31.50 24.12 16.79 420 75 423-3234-085 7 36.00 29.49 27.79 695 112.5 423-3254-085 4-2.5% 7 36.00 29.49 27.79 780 150 222-3264-055 Yes 80 225 222-3294-055 8 51.88 35.75 30.88 30A 1600 300 222-3314-055 500 222-3344-055 8 80 62 40 3750 750 222-3364-055 8 80 62 40 30B 4400 480 240 ** 15* 423-3167-085 7 28.63 21.37 16.04 265 30* 423-3197-085 7 28.63 21.37 16.04 310 30F 45* 423-3217-085 7 31.50 24.12 16.79 420 75 423-3237-085 7 36.00 29.49 27.79 695 112.5 423-3257-085 4-2.5% 7 36.00 29.49 27.79 780 Yes 80 150 222-3267-055 225 222-3297-055 8 51.88 35.75 30.88 30D 1600 300 222-3317-055 500 222-3347-055 8 80 62 40 3750 750 222-3367-055 8 80 62 40 30C 4400 * Wall brackets available for units 15 KVA through 75 KVA Cat. No. 223-0008-075. **Volt Center Tap on center coil, 30 KVA through 500 KVA. Approx. Ship Wt. (lbs) CAUTION: When using the center tap for single-phase applications, the single-phase load should not exceed 5% of the three-phase KVA rating. A separate single-phase transformer should be used if the singlephase load is in excess of 5%. Fuse input side per NEC 450-4 1999. 39
THREE-PHASE CABINET STYLE 40 Using Two Single-Phase (Stock) Transformers FOR PROPER OVERCURRENT PROTECTION, REFER TO ARTICLE 450-4 OF N.E.C. THREE-PHASE 480 VOLTS 240 VOLTS (Open Delta) 3Ø, 60Hz KVA* Qty. Catalog N0. Catalog No. Is For 1 Transformer, Full Load Full Load 2 Units Are Required Amps Amps 0.8 2 211-0041-055 1.04 2.08 1.7 2 211-0051-055 2.08 4.16 2.6 2 211-0061-055 3.13 6.25 3.4 2 211-0071-055 4.17 8.33 5.2 2 211-0081-055 6.25 12.50 6.9 2 211-0091-055 8.33 16.66 10.4 2 211-0101-055 12.50 25.00 17.3 2 211-0111-055 20.83 41.66 26.0 2 211-0131-055 31.25 62.50 34.6 2 211-0151-055 41.66 83.33 52.0 2 211-0161-055 62.49 124.50 86.6 2 211-0181-055 104.15 208.33 129.9 2 221-3205-055 156.23 312.50 173.2 2 221-3225-055 208.33 416.66 Diagram above is for illustration purposes only. Each transformer is shipped with 259.8 2 221-3235-055 312.50 625.0 detailed wiring diagrams. Refer to nameplate for specific voltage tap combinations. 600 VOLTS 480 VOLTS (Open Delta) 3Ø, 60Hz 480 VOLTS 380 VOLTS (Open Delta) 3Ø, 50/60Hz Pri. 600V Pri. 480V Pri. Sec. Catalog Catalog No. Is For 1 Transformer, Sec. 480V Sec. 380V Amps Amps Qty. No. 2 Units Are Required KVA* KVA* 2.1 1.7 2.09 2.60 2 211-0041-055 4.3 3.4 4.17 5.20 2 211-0051-055 6.5 5.1 6.25 7.81 2 211-0061-055 8.6 6.9 8.33 10.41 2 211-0071-055 13.0 10.4 12.50 15.62 2 211-0081-055 17.3 13.9 16.67 20.83 2 211-0091-055 26.0 20.8 25.00 31.25 2 211-0101-055 43.3 34.6 41.67 52.08 2 211-0111-055 65.0 52.0 62.50 78.12 2 211-0131-055 86.6 69.2 83.33 104.17 2 211-0151-055 130.0 103.9 125.0 156.35 2 211-0161-055 216.5 173.2 208.3 260.4 2 211-0181-055 324.7 259.8 312.8 390.6 2 221-3205-055 433.0 346.4 416.7 520.8 2 221-3225-055 649.5 519.6 625 781 2 221-3235-055 866.0 692.8 834 1041 2 221-3245-055 1446 1157 1392 1739 2 221-3275-055 Diagram above is for illustration purposes only. Each transformer is shipped with 1732 1386 1667 2083 2 221-3285-055 detailed wiring diagrams. Refer to nameplate for specific voltage tap combinations. * KVA capacity of three-phase autotransformer bank, using two single-phase, 60Hz transformers connected open delta. NOTE: Can be reverse connected with no change in KVA. Fuse input side per NEC 450-4 1999. For dimensions and weights please refer to tables.