Hammond Power Solutions SG3A0150BK - Three-Phase Transformer 150 kVA (208D to 480Y/277V)
Hammond Power Solutions SG3A0150BK - Three-Phase Transformer 150 kVA (208D to 480Y/277V)

Hammond Power Solutions SG3A0150BK - Three-Phase Transformer 150 kVA (208D to 480Y/277V)

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

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Hammond Power Solutions SG3A0150BK is a three-phase general duty transformer designed for stepping down 208V delta primary voltage to 480Y/277V wye secondary for industrial power distribution. This 150 kVA unit features aluminum windings with a 150°C temperature rise and 220°C insulation class, operating at 60Hz with a 50 dBA sound level. The transformer is housed in a Type 3R/IP24 enclosure with an ANSI 61 grey finish, measuring 44.5 inches high by 31.5 inches wide by 29.5 inches deep and weighing 970 lb. It complies with DOE 2016, NRCAN 2019, and NMX 2021 efficiency regulations, is certified by CSA and UL, and meets IBC 2018 seismic standards with Sds=2.0. 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
  • Primary Voltage: 208D
  • Secondary Voltage: 480Y/277
  • Phase: 3
  • Capacity: 150 kVA
  • Frequency: 60Hz
  • Material: Aluminum windings
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Enclosure Type: Type 3R / IP24
  • Enclosure Finish: ANSI 61 grey
  • Dimensions: 44.5"H × 31.5"W × 29.5"D
  • Weight: 970 lb
  • Sound Level: 50 dBA (NEMA ST-20)
  • Impedance: 2.5% - 6.5% standard
  • Efficiency Compliance: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Compliance: IBC 2018 (Sds=2.0)
  • Certification: CSA, UL


Product Identification
  • UPC: 803423122928