SG3A0075DK - Hammond Power Solutions 75 kVA 3-Phase NEMA 3R Distribution Transformer 240 Delta Primary 480Y/277 Secondary

SG3A0075DK

SG3A0075DK is a Hammond Power Solutions Sentinel G series 75 kVA three-phase distribution transformer designed for general purpose applications. This energy-efficient transformer features a NEMA 3R enclosure and is suitable for floor mounting, providing reliable power for appliances, lighting, heating, and motorized loads. The SG3A0075DK is rated for 600 volts and below, with a 240 Delta primary voltage and a 480Y/277 secondary voltage. It is constructed with aluminum windings and is compliant with DOE2016 and NRCan 2019 efficiency standards. The transformer is UL Listed and CSA Certified, making it suitable for a wide range of industrial and commercial installations.

• 75 kVA power rating
• Three-phase configuration
• 240 Delta primary voltage
• 480Y/277 secondary voltage
• 60 Hz frequency
• NEMA 3R enclosure
• Floor mounting
• Aluminum wound
• UL Listed (File E112313)
• CSA Certified (File LR3902)
• DOE2016 and NRCan 2019 compliant
• Dimensions: 36 in H x 28.3 in W x 27 in D

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Specifications

• Part Number: SG3A0075DK
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 240D
• 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 : 75
• 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)
• Nameplate : Standard
• Standard kVA : 75
• Vector Configuration : YNd1 (-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 : 803423123352
• Weight : 585
• Certification : CSA, UL

Documentation and Resources

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