SG3A0750KK0C - Hammond Power Solutions 750kVA 3-Phase 480D-480Y/277V Transformer NEMA 3R

SG3A0750KK0C

SG3A0750KK0C is a three-phase, 750kVA general purpose distribution transformer manufactured by Hammond Power Solutions as part of the HPS Sentinel G series, designed for indoor and outdoor applications with primary voltage 480D and secondary voltage 480Y/277V at 60Hz. This energy-efficient transformer features a robust core and coil construction manufactured from cold-rolled silicon steel laminations with precision-wound copper conductors that are electrically balanced to minimize axial forces during short-circuit conditions. The unit is rated for a 150 degree Celsius temperature rise with a 220 degree Celsius insulation system, meeting the latest DOE and NRCan energy efficiency standards. Key Specifications

• Rated Capacity: 750kVA
• Phase: 3-Phase
• Primary Voltage: 480D
• Secondary Voltage: 480Y/277V
• Frequency: 60Hz
• Temperature Rise: 150 degrees Celsius
• Insulation System: 220 degrees Celsius
• Enclosure Type: NEMA 3R
• Conductor Material: Copper
• Core Material: Silicon Steel Laminations
• Approximate Weight: 5,670 lbs
• BIL Rating: 10kV

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Specifications

• Part Number: SG3A0750KK0C
• 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
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 750
• 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) : DH6-N3R
• Enclosure Dimensions : 64in/1626mm(H), 49in/1245mm(W), 39in/991mm(D)
• Nameplate : Standard
• Standard kVA : 750
• 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 : 803423128210
• Weight : 4200
• Certification : CSA, UL

Documentation and Resources

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