SG3A0030KK0C - Hammond Power Solutions 30kVA 3-Phase 480D 480Y/277V Transformer

SG3A0030KK0C

SG3A0030KK0C is a 30kVA three-phase dry-type general purpose distribution transformer from Hammond Power Solutions HPS Sentinel G series, designed for indoor and outdoor applications with 480 delta primary and 480Y/277V secondary voltages. This energy-efficient transformer features copper wound construction, 150 degrees Celsius temperature rise, and a robust Type 3R enclosure suitable for appliance, lighting, heating, motorized machine and power loads in commercial and industrial electrical distribution systems. The unit incorporates precision-cut silicon steel laminations, electrically balanced copper conductors to minimize axial forces during short-circuit conditions, and a 220 degrees Celsius insulation system for reliable long-term performance.

• Rated Voltage: 480D Primary, 480Y/277V Secondary
• Power Rating: 30kVA
• Phase Configuration: Three Phase
• Frequency: 60 Hz
• Temperature Rise: 150 degrees Celsius
• Insulation System: 220 degrees Celsius
• Conductor Material: Copper Wound
• Enclosure Type: NEMA 3R
• Mounting Type: Floor or Wall/Ceiling
• Weight: 340 lbs
• UL Listed: File E112313
• CSA Certified: File LR3902

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Specifications

• Part Number: SG3A0030KK0C
• 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 : 30
• 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 : 45 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)
• Nameplate : Standard
• Standard kVA : 30
• 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 : 803423125080
• Weight : 325
• Certification : CSA, UL

Documentation and Resources

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