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Hammond Power Solutions TE3A0051KK - Three-Phase Transformer 51 kVA 480D/480Y

Hammond Power Solutions
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  • In stock, ready to ship
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💡 Important Notice for Hammond Products

Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions TE3A0051KK is a three-phase general duty transformer engineered for industrial power distribution, converting 480V delta primary input to 480Y/277V wye secondary output. This 51 kVA unit features aluminum windings with a 150°C temperature rise and 220°C insulation class, housed in a Type 3R/IP24 enclosure with ANSI 61 grey finish. The transformer weighs 385 lb, operates at 60 Hz with a sound level of 50 dBA, and complies with CSA and UL certifications, NRCAN 2019 efficiency regulations, and IBC 2018 seismic standards (Sds=2.0, lp=1.5). It is suited for commercial and industrial facilities requiring reliable power conversion with mechanical lug terminations and electrostatic shielding.

Key Features & Specifications
  • Type: Three-Phase General Duty Transformer
  • Primary Voltage: 480D
  • Secondary Voltage: 480Y/277
  • Phase: 3
  • Capacity: 51 kVA
  • Frequency: 60 Hz
  • 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: 385 lb
  • Sound Level: 50 dBA
  • Impedance: 2.5% - 6.5%
  • Certification: CSA, UL
  • Standards: NRCAN 2019, IBC 2018 Seismic


Product Identification
  • UPC: 803423143770