The photo and the schematic three phase high current autotransformer, part number 18849N are shown below. This is ideal for 247 to 208 step down applications. The unit is housed inside an indoor enclosure. Auto transformers are much cheaper than isolation transformers. A comparable isolation transformer will be 6 times bigger in size with higher cost.
247/208 Autotransformer
- High Current Autotransformer: 148 KVA, 3 PH, 60 Hz, P/N 18849N
- Input: 247 VAC, 346 Amps
- Output: 208 VAC, 410 Amps
- Input/output bus bars: 1 ½” x ¼” with 1 hole
- Indoor enclosure, 24”H x 18”W x 16”D
Related Links:
- http://www.lcmagnetics.com/transformers/auto-transformer/high-current-boost-transformer-156-kva-pn-18838c
- http://www.lcmagnetics.com/transformers/auto-transformer/custom-buck-and-boost-power-transformers-305-kva-pn-18546
- http://www.lcmagnetics.com/transformers/auto-transformer/buck-and-boost-transformer-316-kva-pn-18837n
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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 info@lcmagnetics.com.
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