Hammond Power Solutions SK3A0500KB3S - 500 kVA Transformer 480D to 208Y/120
Hammond Power Solutions SK3A0500KB3S - 500 kVA Transformer 480D to 208Y/120

Hammond Power Solutions SK3A0500KB3S - 500 kVA Transformer 480D to 208Y/120

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 SK3A0500KB3S is a three-phase general duty transformer engineered for voltage transformation in industrial and commercial power distribution systems. This 500 kVA unit converts a 480V delta primary voltage to a 208Y/120V wye secondary, featuring aluminum windings with a 150°C temperature rise and 220°C insulation class. The transformer is housed in a Type 3R/IP24 rated enclosure with an ANSI 61 grey finish, weighing 3000 lb, and operates at a sound level of 63 dBA with 4-7.5% impedance. It complies with DOE 2016, NRCAN 2019, and NMX 2021 efficiency regulations, and is certified to CSA and UL standards while meeting IBC 2018 seismic requirements (Sds=2.0). Typical applications include powering equipment in industrial facilities, commercial buildings, and institutional power systems that require reliable voltage transformation.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 480D
  • Secondary Voltage: 208Y/120
  • Phase: 3
  • Current: 500 kVA Standard Rating
  • Frequency: 60Hz
  • Material: Aluminum Windings
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Enclosure Type: Type 3R / IP24
  • Enclosure Finish: ANSI 61 Grey
  • Dimensions: 64"H x 49"W x 39"D (1626mm x 1245mm x 991mm)
  • Weight: 3000 lb
  • Sound Level: 63 dBA (NEMA ST-20)
  • Impedance: 4% - 7.5% Standard
  • 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: 803423130251