Hammond Power Solutions SG3A0300PK - 300kVA 3-Phase Transformer (600D-480Y/277V)
Hammond Power Solutions SG3A0300PK - 300kVA 3-Phase Transformer (600D-480Y/277V)

Hammond Power Solutions SG3A0300PK - 300kVA 3-Phase Transformer (600D-480Y/277V)

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

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Hammond Power Solutions SG3A0300PK is a three-phase general duty transformer engineered for converting 600V delta primary power to 480Y/277V secondary wye-N power in industrial and commercial settings. This 300 kVA unit features a 600V delta primary with multiple 2.5% taps and delivers 480Y/277V secondary voltage, operating at 60Hz with aluminum windings and a 150°C temperature rise with 220°C insulation class. The transformer is housed in a Type 3R/IP24 rated enclosure measuring 52"H × 37.5"W × 34"D with an ANSI 61 grey finish, weighing 1950 lb, and maintains a 55 dBA sound level per NEMA ST-20. It complies with DOE 2016, NRCAN 2019, and NMX 2021 efficiency regulations, meets IBC 2018 seismic standards (Sds=2.0, z/h=0, lp=1.5), and is certified by CSA and UL. Typical applications include industrial facilities, manufacturing plants, and commercial buildings requiring reliable three-phase power conversion.

Key Features & Specifications
  • Type: Three-phase general duty transformer
  • Voltage: 600V delta primary, 480Y/277V secondary
  • Current: 300 kVA capacity
  • Frequency: 60Hz operation
  • Material: Aluminum windings
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Impedance: 3.5% - 7% standard
  • Enclosure: Type 3R/IP24, ANSI 61 grey
  • Dimensions: 52"H × 37.5"W × 34"D
  • Weight: 1950 lb
  • Sound Level: 55 dBA (NEMA ST-20)
  • Efficiency Compliance: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Rating: IBC 2018 (Sds=2.0)
  • Vector Configuration: Dyn1 (-30°)
  • Certification: CSA, UL


Product Identification
  • UPC: 803423126186