SK3A0112PK4S - Hammond Power Solutions 112.5 kVA 3-Phase Aluminum Wound Transformer 600V Delta Primary 480Y/277V Wye Secondary NEMA 3R

SK3A0112PK4S

SK3A0112PK4S is a three-phase aluminum wound transformer designed for reliable power distribution in commercial and industrial applications. This unit features a 600V delta primary and 480Y/277V wye secondary configuration, providing efficient voltage transformation for a wide range of electrical loads. The transformer is built with a heavy-duty ventilated NEMA 3R enclosure for protection against environmental factors, making it suitable for both indoor and outdoor installations. It operates at 60 Hz and is constructed with aluminum windings for durability and cost-effective performance. The unit is UL Listed and CSA Certified, ensuring compliance with North American safety standards.

• 112.5 kVA capacity
• Three-phase configuration
• Aluminum windings
• 600V delta primary
• 480Y/277V wye secondary
• 60 Hz frequency
• NEMA 3R enclosure
• UL Listed
• CSA Certified
• Heavy-duty ventilated design
• Front accessible terminals
• Mounting: Floor

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Specifications

• Part Number: SK3A0112PK4S
• 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 : 120.117
• 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 : 803423129156
• Weight : 700
• Certification : CSA, UL

Documentation and Resources

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