SK3A0225KB9S - Hammond Power Solutions 225 kVA 3-Phase Transformer 480D-208Y/120V Aluminum 60Hz 150C Type 3R

SK3A0225KB9S

SK3A0225KB9S is a 225 kVA, 3-phase general purpose transformer from Hammond Power Solutions designed for reliable power distribution.This transformer features a 480D-208Y/120V voltage configuration with aluminum windings, operating at 60 Hz frequency and a 150°C temperature rise. It comes in a Type 3R/IP24 enclosure with ANSI 61 grey finish, suitable for outdoor use with protection against rain and snow. The unit is part of the Sentinel-K K9 series, known for energy efficiency and compliance with North American efficiency standards. It operates at a sound level of 55 dBA and is UL Listed and CSA Certified.

Key Specifications
• Power Rating: 225 kVA
• Phase: 3-Phase
• Primary Voltage: 480 Delta
• Secondary Voltage: 208Y/120 Volts
• Frequency: 60 Hz
• Winding Material: Aluminum
• Temperature Rise: 150°C
• Enclosure Type: Type 3R/IP24
• Enclosure Finish: ANSI 61 Grey
• Sound Level: 55 dBA
• Series: Sentinel-K K9
• Certifications: UL Listed, CSA Certified
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Specifications

• Part Number: SK3A0225KB9S
• 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 : 208Y/120
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 258.015
• 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 : 55 dBA (NEMA ST-20)
• Impedance (Std) : 3.5% - 7%
• Secondary Termination (NPL) : Mounting Pads
• 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 : 803423129392
• Weight : 1710
• Certification : CSA, UL



Documentation and Resources

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