Hammond Power Solutions SK3A0300KB9K - 300kVA 3-Phase Transformer (480D to 208Y/120V)
Hammond Power Solutions SK3A0300KB9K - 300kVA 3-Phase Transformer (480D to 208Y/120V)

Hammond Power Solutions SK3A0300KB9K - 300kVA 3-Phase Transformer (480D to 208Y/120V)

Hammond Power Solutions
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Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions SK3A0300KB9K is a three-phase general duty transformer engineered for stepping down primary voltage in industrial and commercial power distribution systems. It converts a 480V delta primary to a 208Y/120V wye secondary with a 300 kVA capacity at 60Hz, featuring 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, measuring 52 inches high by 37.5 inches wide by 34 inches deep, and weighs 5.19 lb. It complies with DOE 2016, NRCAN 2019, and NMX 2021 efficiency regulations, and meets IBC 2018 seismic standards (Sds=2.0, z/h=0, lp=1.5), with CSA and UL certifications. Typical applications include industrial facilities, commercial buildings, and manufacturing plants requiring reliable voltage transformation.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 480V Delta
  • Secondary Voltage: 208Y/120V Wye-N
  • kVA Rating: 300 kVA
  • Frequency: 60Hz
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Impedance: 4% - 7.5%
  • Enclosure: Type 3R / IP24
  • Dimensions: 52"H × 37.5"W × 34"D
  • Sound Level: 55 dBA
  • Efficiency Compliance: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Standard: IBC 2018
  • Vector Configuration: Dyn1 (-30°)
  • Electrostatic Shield: Single
  • Phase: 3
  • Weight: 5.19 lb
  • Certification: CSA, UL


Product Identification
  • UPC: 803423129514