NEMA 4X TRANSFORMER, 20 KVA, PRIMARY 380 VAC DELTA, SECONDARY 240 VAC DELTA, COPPER WINDING, TENV
P/N MG-89
Specifications:
- Totally Enclosed Non Ventilated Transformer, 20 KVA, 3 PH, 50 Hz, P/N MG-89
- Primary (H1, H2, H3): 380 VAC L-L, Delta
- Primary taps: 2-2.5% FCAN and 4-2.5% FCBN
- Secondary (X1, X2, X3): 240 VAC L-L, Delta
- Copper windings
- Approvals: CSA / UL listed, K-Factor: K-1
- Temperature rise: 150 degrees C
- NEMA 4X Enclosure: 32.0″H x 26.50″W x 17.5″D. Weight: 300 lbs.
The photos of the transformer inside the NEMA 4X stainless steel enclosure is shown below:

The photo of the Totally Enclosed Non Ventilated Transformer is shown below:

The schematic diagram is shown below. Primary taps are not shown.

The Primary Taps are shown below in Table A. Three jumpers are used to select primary of 380 VAC, 3 PH L-L, Delta.
Table A

To discuss your specific application, please call our phone number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.
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L/C MAGNETICS INC.
MANFACTURER, RESELLER, AND DISTRIBUTOR OF CUSTOM TRANSFORMERS AND INDUCTORS
DRY TYPE TO OIL FILLED PRODUCTS FROM 0.1 KVA TO 50 MVA
CELEBRATING 35 YEARS IN BUSINESS
CARL E. HOLMES COMPANY -- CEHCO
MANUFACTURER OF CUSTOM DC RECTIFIERS, TRANSFORMER RECTIFIER ASSEMBLIES, AND POWER SUPPLIES
DIVISION OF L/C MAGNETICS
RECTIFIER SPECIALIST SINCE 1945