Hammond Power Solutions SG3A0300KK - 300 kVA Transformer 480D to 480Y/277V
Hammond Power Solutions SG3A0300KK - 300 kVA Transformer 480D to 480Y/277V

Hammond Power Solutions SG3A0300KK - 300 kVA Transformer 480D to 480Y/277V

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

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Hammond Power Solutions SG3A0300KK is a three-phase dry-type distribution transformer designed to step down primary voltage from 480V delta to a secondary 480Y/277V wye configuration for industrial power distribution. It delivers a 300 kVA rating with a 1900 lb weight, housed in a Type 3R / IP24 enclosure suitable for outdoor or indoor use with drip-proof protection. The unit features copper windings and an aluminum core for efficient thermal performance, with a 150°C temperature rise and 220°C insulation class. It complies with CSA and UL certifications, meeting NEMA ST-20 standards for low-voltage transformer applications. This transformer is typically used in commercial and industrial facilities to supply 277V lighting loads and 480V equipment from a 480V delta source.

Key Features & Specifications
  • Type: Three-phase dry-type distribution transformer, copper windings, aluminum core
  • Voltage Rating: Primary 480V delta, Secondary 480Y/277V
  • Current Rating: 300 kVA
  • Dimensions: Not specified
  • Standards: CSA, UL, NEMA ST-20
  • Applications: Industrial power distribution, 277V lighting, 480V equipment
  • Enclosure: Type 3R / IP24
  • Phase: 3
  • Weight: 1900 lb
  • Insulation Temperature: 220°C
  • Hz: 60 Hz
  • Coil Material: Copper
  • Certification: CSA, UL


Product Identification
  • UPC: 803423125004