Hammond Power Solutions TE3A0040KK - Three-Phase Transformer 40 kVA (480D/480Y/277V)
Hammond Power Solutions TE3A0040KK - Three-Phase Transformer 40 kVA (480D/480Y/277V)

Hammond Power Solutions TE3A0040KK - Three-Phase Transformer 40 kVA (480D/480Y/277V)

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

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Hammond Power Solutions TE3A0040KK is a three-phase general duty transformer engineered for reliable voltage transformation in industrial power distribution systems. It features a 480V delta primary connection and 480Y/277V wye secondary configuration with a 40 kVA capacity, operating at 60Hz with aluminum windings rated for 150°C temperature rise and 220°C insulation class. The unit is housed in a Type 3R/IP24 rated enclosure finished in ANSI 61 grey, measuring 28.75" H × 25.75" W × 23.8" D and weighing 330 lb, incorporating mechanical lug secondary terminations with a single electrostatic shield and Dyn1 vector configuration. It complies with CSA and UL certifications, NRCAN 2019 efficiency regulations, and IBC 2018 seismic standards (Sds=2.0, z/h=0, lp=1.5), maintaining a 45 dBA sound level per NEMA ST-20. Typical applications include commercial buildings, industrial facilities, and institutional power systems requiring standard 2.5%-6.5% impedance characteristics.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 480D
  • Secondary Voltage: 480Y/277
  • Phase: 3
  • Capacity: 40 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: 28.75" H × 25.75" W × 23.8" D
  • Weight: 330 lb
  • Impedance: 2.5% - 6.5% Standard
  • Sound Level: 45 dBA (NEMA ST-20)
  • Vector Configuration: Dyn1 (-30°)
  • Certification: CSA, UL
  • Compliance: NRCAN 2019, IBC 2018 Seismic


Product Identification
  • UPC: 803423143763