The photo and schematic of the 7.5 KVA auto transformer, part number 13243 is shown below. This is ideal for 138 to 120 step down applications. Auto transformers are much cheaper than isolation transformers. A comparable isolation transformer will be 7 times bigger in size with higher cost.
138/ 120 Buck Boost Transformer
- Buck Boost Transformer: 7.5 KVA, 1 PH, 60 Hz, P/N 13243
- Input: 138 VAC, 54 Amps
- Output: 120 VAC, 63 Amps
- Open core and coil: 5″ H x 5 1/4″ W x 6″ D
- Input/output connection leads are 18″ long
- Estimated weight: 15 lbs
- Ideal for boosting 102 VAC to 120 VAC
- Ideal for bucking 138 VAC to 120 VAC
The input and output provided by this buck boost transformer are shown below:
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L/C Magnetics is an Auto Transformer manufacturer. To discuss your specific application, please call us toll free at (800) 595-7096, or send us an email at firstname.lastname@example.org.