SK3A0225PK3S - Hammond Power Solutions 225 kVA 600 Delta - 480Y/277 VAC 3-Phase NEMA 3R Floor Mount Transformer

SK3A0225PK3S

SK3A0225PK3S is a Hammond Power Solutions Sentinel K Series energy efficient general purpose distribution transformer designed for reliable power distribution in commercial and industrial applications. This three-phase transformer features a 600 Delta primary voltage and a 480Y/277 VAC secondary voltage, making it suitable for a wide range of electrical loads including lighting, heating, and motorized equipment. The SK3A0225PK3S is built with a robust NEMA 3R enclosure for protection against environmental elements and is floor-mounted for secure installation. It is specifically engineered to handle harmonics generated by non-linear loads such as computers, telecommunications equipment, drives, and other power electronics, ensuring stable and efficient operation.

• Manufacturer: Hammond Power Solutions
• Series: Sentinel K
• Power Rating: 225 kVA
• Primary Voltage: 600 Delta VAC
• Secondary Voltage: 480Y/277 VAC
• Phase: 3
• Frequency: 60 Hz
• Mounting Type: Floor
• Enclosure Type: NEMA 3R
• Application: General Purpose Distribution
• Designed for Non-Linear Loads
• UL Listed
• CSA Certified

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Specifications

• Part Number: SK3A0225PK3S
• 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 : 271.403
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 58 dBA (NEMA ST-20)
• Impedance (Std) : 3.5% - 7%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH5-N3R
• Enclosure Dimensions : 52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 225
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=0
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423130787
• Weight : 1450
• Certification : CSA, UL

Documentation and Resources

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