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Hammond Power Solutions SK3A0300PK3K - 300 kVA Three-Phase Transformer

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 SK3A0300PK3K is a three-phase general duty transformer engineered for stepping down voltage in industrial power distribution systems. It operates with a 600V delta primary and a 480Y/277V wye secondary, delivering a standard rating of 300 kVA at 60Hz. The unit is housed in a Type 3R / IP24 rated enclosure with an ANSI 61 grey finish, measuring 52 inches in height, 37.5 inches in width, and 34 inches in depth, with a weight of 1950 lb. It complies with CSA and UL certifications, as well as DOE 2016, NRCAN 2019, and NMX 2021 efficiency regulations, and meets IBC 2018 seismic standards (Sds=2.0, z/h=0, lp=1.5). Typical applications include industrial facilities, manufacturing plants, and commercial power systems requiring reliable three-phase power transformation.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 600D
  • Secondary Voltage: 480Y/277
  • Phase: 3
  • Current: 300 kVA Standard Rating
  • Frequency: 60Hz
  • Impedance: 4% - 7.5% Standard
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Enclosure Type: Type 3R / IP24
  • Enclosure Finish: ANSI 61 Grey
  • Dimensions: 52" H × 37.5" W × 34" D
  • Weight: 1950 lb
  • Sound Level: 58 dBA (NEMA ST-20)
  • Certification: CSA, UL
  • Efficiency Compliance: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Standard: IBC 2018 (Sds=2.0)
  • Vector Configuration: Dyn1 (-30°)


Product Identification
  • UPC: 803423130909