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Hammond Power Solutions SH3T0300KB3S - 300 kVA 3-Phase Transformer (480D/208Y)

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 SH3T0300KB3S is a three-phase dry-type general purpose transformer engineered for stepping down 480V delta primary voltage to a 208Y/120V zig-zag secondary with neutral in industrial power distribution systems. This 300 kVA unit operates at 60Hz with a standard impedance range of 4% to 7.5%, a 150°C temperature rise, and 220°C insulation class, housed in a Type 3R/IP24 enclosure measuring 64 inches high by 49 inches wide by 39 inches deep with an ANSI 61 grey finish. The transformer weighs 2800 lb and is constructed with electrostatic shielding to mitigate electrical noise, producing a maximum sound level of 58 dBA per NEMA ST-20. It complies with CSA and UL certifications, along with DOE 2016, NRCAN 2019, and NMX 2021 efficiency standards, and meets IBC 2018 seismic requirements (Sds=2.0, z/h=0, lp=1.5). Typical applications include voltage transformation in commercial buildings, industrial facilities, and power distribution systems requiring reliable and efficient operation.

Key Features & Specifications
  • Type: Three-Phase Dry-Type Transformer
  • Primary Voltage: 480D (480V Delta)
  • Secondary Voltage: 208Z/120 (208Y/120V Zig-Zag)
  • Capacity: 300 kVA
  • Frequency: 60Hz
  • Impedance: 4% - 7.5% Standard
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Enclosure Type: Type 3R / IP24
  • Enclosure Dimensions: 64"H x 49"W x 39"D
  • Weight: 2800 lb
  • Sound Level: 58 dBA (NEMA ST-20)
  • Efficiency Standards: DOE 2016, NRCAN 2019, NMX 2021
  • Seismic Compliance: IBC 2018 (Sds=2.0)
  • Certification: CSA, UL
  • Phase: 3


Product Identification
  • UPC: 803423134860