SK3A0015KK9K - Hammond Power Solutions Sentinel-K 15kVA 480D-480Y/277V 3-Phase Transformer NEMA 3R

SK3A0015KK9K

SK3A0015KK9K is a three-phase general purpose distribution transformer from Hammond Power Solutions designed for standard industrial and commercial applications requiring k-factor rated performance. This Sentinel-K series unit delivers 15kVA capacity with a primary voltage configuration of 480 delta to 480Y/277 volts secondary, utilizing copper windings for reliable power distribution. The transformer features a heavy-duty NEMA 3R ventilated enclosure suitable for wall, floor, or ceiling mounting in indoor and outdoor environments. Key Specifications

• Manufacturer: Hammond Power Solutions
• Series: Sentinel-K
• Rating: 15 kVA, three-phase
• Primary Voltage: 480 delta
• Secondary Voltage: 480Y/277 volts
• Winding Material: Copper
• Frequency: 60 Hz
• Temperature Rise: 150 degrees Celsius
• Insulation Class: Class R (220 degrees Celsius)
• Enclosure Type: NEMA 3R
• Certifications: UL Listed, CSA Certified
• Mounting Options: Wall, floor, ceiling

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Specifications

• Part Number: SK3A0015KK9K
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 16.2942
• 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) : DH1-N3R
• Enclosure Dimensions : 21.88in/556mm(H), 21.5in/547mm(W), 20.12in/512mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 15
• 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 : 803423129880
• Weight : 190
• Certification : CSA, UL

Documentation and Resources

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