Hammond Power Solutions SK3A0030KK4K - 30 kVA Three-Phase Transformer (480D/480Y)
Hammond Power Solutions SK3A0030KK4K - 30 kVA Three-Phase Transformer (480D/480Y)

Hammond Power Solutions SK3A0030KK4K - 30 kVA Three-Phase Transformer (480D/480Y)

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 SK3A0030KK4K is a three-phase general duty transformer engineered for reliable power distribution in commercial and industrial environments. It operates with a 480V delta primary and a 480Y/277V wye secondary, delivering 30 kVA at 60Hz with a 150°C temperature rise and 220°C insulation class. The unit weighs 320 lb and is housed in a Type 3R / IP24 rated enclosure measuring 28.75" H × 25.75" W × 23.8" D with an ANSI 61 grey finish, featuring mechanical lug secondary terminations and a single electrostatic shield. It complies with CSA and UL certifications, as well as DOE 2016, NRCAN 2019, and NMX 2021 efficiency standards, while meeting OSHPD and IBC 2018 seismic requirements (Sds=2.0, z/h=1, lp=1.5) with a 45 dBA sound level per NEMA ST-20. Typical applications include commercial buildings, industrial facilities, and utility power distribution systems requiring robust three-phase power transformation with seismic compliance.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Standard kVA: 30
  • Primary Voltage: 480V Delta
  • Secondary Voltage: 480Y/277V Wye
  • Frequency: 60Hz
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Impedance: 2.5% - 6.5%
  • Enclosure Type: Type 3R / IP24
  • Dimensions: 28.75" H × 25.75" W × 23.8" D
  • Weight: 320 lb
  • Sound Level: 45 dBA (NEMA ST-20)
  • Seismic Compliance: OSHPD, IBC 2018
  • Efficiency Standards: DOE 2016, NRCAN 2019, NMX 2021
  • Certification: CSA, UL


Product Identification
  • UPC: 803423129019