SG3A1000KK - Hammond Power Solutions 1000kVA 3-Phase 480D-480Y/277V Aluminum 60Hz 150C Rise Type 3R Transformer

SG3A1000KK

SG3A1000KK is a three-phase general purpose distribution transformer from Hammond Power Solutions, designed for efficient and reliable power distribution in commercial and industrial applications. This transformer features an aluminum winding and is built to meet the latest energy efficiency standards for 600 volts and below. The SG3A1000KK is engineered for robust performance with a heavy-duty ventilated Type 3R enclosure, suitable for both indoor and outdoor installations. It supports a 480V Delta primary and 480Y/277V secondary configuration, making it ideal for a wide range of electrical loads including lighting, heating, and motorized equipment. The transformer is seismically qualified and features front accessible terminals for easy installation and maintenance.

• 1000 kVA capacity
• Three-phase design
• 480V Delta primary voltage
• 480Y/277V secondary voltage
• Aluminum winding
• 60 Hz frequency
• 150°C temperature rise
• Type 3R enclosure
• Heavy-duty ventilated construction
• Front accessible terminals
• Seismically qualified
• UL Listed (File: E112313)
• CSA Certified (File: LR3902)

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Specifications

• Part Number: SG3A1000KK
• 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) : 2x3%
• Primary FCBN (NPL) : 2x3%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 1000
• 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 : 64 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH8-N3R
• Enclosure Dimensions : 82in/2083mm(H), 60in/1524mm(W), 47in/1194mm(D)
• Nameplate : Standard
• Standard kVA : 1000
• 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 : 803423128166
• Weight : 5450
• Certification : CSA, UL

Documentation and Resources

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