SK3A0112KK9K - Hammond Power Solutions 112.5 kVA 3-Phase K-Factor Transformer 480 Delta Primary 480Y/277V Secondary 60 Hz 150°C Rise 3R Enclosure

SK3A0112KK9K

SK3A0112KK9K is a Hammond Power Solutions HPS Sentinel K energy efficient three-phase K-factor transformer designed for demanding electrical distribution applications. This transformer is ideal for environments with non-linear loads and provides reliable power for appliances, lighting, heating, and motorized equipment. The SK3A0112KK9K features a 480 Delta primary voltage and a 480Y/277V secondary voltage, with a 112.5 kVA rating and a 60 Hz frequency. It is constructed with a heavy-duty ventilated Type 3R enclosure for protection against environmental elements and is rated for 600 volts and below. The transformer uses a 220°C insulation system with a 150°C temperature rise and includes copper or aluminum windings for flexibility in installation. It is UL Listed and CSA Certified, meeting North American efficiency standards including DOE 2016 and NRCan 2019.

• 112.5 kVA three-phase K-factor transformer
• 480 Delta primary voltage
• 480Y/277V secondary voltage
• 60 Hz frequency
• 220°C insulation class, 150°C temperature rise
• Heavy-duty ventilated Type 3R enclosure
• UL Listed and CSA Certified
• Meets DOE 2016 and NRCan 2019 efficiency standards
• Designed for non-linear loads
• Front accessible terminals for easy installation
• Optional infrared windows available
• Mounting type: Floor

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Specifications

• Part Number: SK3A0112KK9K
• 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 : 129.008
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 50 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) : DH3-N3R
• Enclosure Dimensions : 36in/915mm(H), 28.25in/718mm(W), 27in/686mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 112.5
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423129927
• Weight : 830
• Certification : CSA, UL

Documentation and Resources

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