SK3A0045PK4S - Hammond Power Solutions 45kVA 3-Phase 600V Delta to 480Y/277V Transformer 60Hz 150C 3R Enclosure

SK3A0045PK4S

SK3A0045PK4S is a 45kVA, 3-phase general purpose transformer from Hammond Power Solutions designed for low voltage distribution applications.This transformer features a 600V delta primary and 480Y/277V wye secondary configuration, operating at 60 Hz frequency with a 150°C temperature rise rating. It is aluminum wound and housed in a heavy-duty ventilated Type 3R enclosure suitable for outdoor use. The unit is UL listed and CSA certified, meeting North American efficiency standards. It is designed for powering appliances, lighting, heating, and motorized equipment in commercial and industrial settings.

• Power Rating: 45 kVA
• Phase: 3-Phase
• Primary Voltage: 600V Delta
• Secondary Voltage: 480Y/277V Wye
• Frequency: 60 Hz
• Temperature Rise: 150°C
• Enclosure Type: Type 3R ventilated
• Winding Material: Aluminum
• Certifications: UL Listed, CSA Certified
• Application: General purpose low voltage distribution

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Specifications

• Part Number: SK3A0045PK4S
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 600D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 47.1964
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 45 dBA (NEMA ST-20)
• Impedance (Std) : 2.5% - 6.5%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH2-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 25.75in/655mm(W), 23.8in/605mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 45
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423129132
• Weight : 370
• Certification : CSA, UL

Documentation and Resources

• Engineering Drawing (PDF)
• Brochure
• Hammond Product Application Videos
• Frequently Asked Questions
• Troubleshooting Guide
• Enclosure CAD Drawing (PDF)