Hammond Power Solutions SG3A0500KK - Three-Phase Transformer 500 kVA (480D/480Y-277)
Hammond Power Solutions SG3A0500KK - Three-Phase Transformer 500 kVA (480D/480Y-277)

Hammond Power Solutions SG3A0500KK - Three-Phase Transformer 500 kVA (480D/480Y-277)

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

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Hammond Power Solutions SG3A0500KK is a three-phase general duty transformer engineered for industrial power distribution, providing voltage transformation and isolation. It features a 480V delta primary connection and a 480Y/277V wye secondary, with a 500 kVA capacity and aluminum windings rated for a 150°C temperature rise with 220°C insulation class. The unit is housed in a Type 3R/IP24 enclosure with an ANSI 61 grey finish, weighing 2800 lb, and operates at 60 Hz with 4-7.5% impedance and a 60 dBA sound level. 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 certifications from CSA and UL. Typical applications include industrial facilities, commercial buildings, and utility substations requiring reliable power transformation with standard seismic resilience.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 480D
  • Secondary Voltage: 480Y/277
  • Phase: 3
  • Capacity: 500 kVA
  • Frequency: 60 Hz
  • Impedance: 4% - 7.5%
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Enclosure Type: Type 3R / IP24
  • Weight: 2800 lb
  • Dimensions: 64" H × 49" W × 39" D
  • Sound Level: 60 dBA (NEMA ST-20)
  • Material: Aluminum Windings
  • Efficiency Compliance: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Standard: IBC 2018 (Sds=2.0)
  • Certification: CSA, UL


Product Identification
  • UPC: 803423125066