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Hammond Power Solutions DM220JJ - Three-Phase Transformer 220 kVA

Hammond Power Solutions
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💡 Important Notice for Hammond Products

Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions DM220JJ is a three-phase general duty transformer engineered for industrial power distribution, providing voltage conversion and isolation for facility electrical systems. It features a 460V delta primary and a 460Y/266V wye-n secondary configuration, delivering 220 kVA of capacity with aluminum windings rated for a 150°C temperature rise and 220°C insulation class. The unit is housed in a Type 3R / IP24 enclosure with an ANSI 61 grey finish, weighing 1300 lb, and operates at 60Hz with a sound level of 55 dBA. It complies with CSA and UL certifications, as well as IBC 2018 seismic standards (Sds=2.0, z/h=0, lp=1.5), ensuring robust performance in demanding environments. Typical applications include industrial facilities requiring reliable power conversion with standard impedance ranges of 3.5% to 6.5%.

Key Features & Specifications
  • Type: Three-phase general duty transformer
  • Primary Voltage: 460D
  • Secondary Voltage: 460Y/266
  • Phase: 3
  • Capacity: 220 kVA
  • Frequency: 60Hz
  • Material: Aluminum windings
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Impedance: 3.5% - 6.5% standard
  • Enclosure Type: Type 3R / IP24
  • Enclosure Finish: ANSI 61 Grey
  • Dimensions: 41" H × 32" W × 25.5" D
  • Weight: 1300 lb
  • Sound Level: 55 dBA (NEMA ST-20)
  • Certification: CSA, UL
  • Seismic Compliance: IBC 2018 (Sds=2.0)
  • Vector Configuration: Dyn1 (-30°)


Product Identification
  • UPC: 803423004132
  • GTIN: 00803423004132