SK3A0045KK3S - Hammond Power Solutions 3-Phase 45kVA 480D-480Y/277V Aluminum 60Hz 150C 3R Transformer

SK3A0045KK3S

SK3A0045KK3S is a Hammond Power Solutions Sentinel-K Series 3-phase distribution transformer designed for general purpose applications. This unit features an aluminum winding, 480V delta primary, 480Y/277V secondary, and is rated for 45kVA at 60Hz with a 150°C temperature rise. The transformer is housed in a heavy-duty Type 3R enclosure for protection against environmental elements. This transformer is suitable for powering appliances, lighting, heating, and motorized machinery in commercial and industrial environments. The Sentinel-K Series is DOE 2016 and NRCan 2019 compliant for energy efficiency, and is designed for easy installation with front-accessible terminals compatible with both aluminum and copper conductors. The unit is rated for 600 volts and below, making it ideal for a wide range of low-voltage distribution needs.

• Manufacturer: Hammond Power Solutions
• Series: Sentinel-K
• Phase: 3-Phase
• kVA Rating: 45kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V
• Winding Material: Aluminum
• Frequency: 60Hz
• Temperature Rise: 150°C
• Enclosure Type: Type 3R
• Mounting Type: Floor or Wall
• Compliance: DOE 2016, NRCan 2019
• UL Listed: File E112313
• CSA Certified: File LR3902

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Specifications

• Part Number: SK3A0045KK3S
• 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
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 51.7989
• 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 : 48 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) : DH2-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 25.75in/655mm(W), 23.8in/605mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 45
• 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 : 803423130527
• Weight : 370
• Certification : CSA, UL

Documentation and Resources

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