SG3A0015DK - Hammond Power Solutions 15kVA 3-Phase 240D-480Y/277V NEMA 3R

SG3A0015DK

SG3A0015DK is a 15 kVA three-phase dry-type distribution transformer from Hammond Power Solutions designed for general-purpose applications including appliances, lighting, heating, motorized machines, and power loads. SG3A0015DK features a primary voltage of 240 Delta VAC and secondary voltage of 480Y/277 VAC with 60 Hz frequency rating. The transformer is housed in a NEMA 3R enclosure suitable for indoor and outdoor use, with aluminum wound construction and lug/pad connection type for flexible installation. It achieves 97.89% efficiency and operates at 30 degrees C temperature rating. The unit measures 21.5 inches wide by 20.1 inches deep by 22 inches high and supports both ceiling and floor mounting configurations. SG3A0015DK is part of the Sentinel G series and carries a 150 degree C rise rating. The transformer is UL listed under File No. E112313 and CSA certified under File No. LR3902, ensuring compliance with North American electrical standards.

• Power Rating: 15 kVA
• Phase: 3-Phase
• Primary Voltage: 240 Delta VAC
• Secondary Voltage: 480Y/277 VAC
• Frequency: 60 Hz
• Enclosure Type: NEMA 3R
• Winding Material: Aluminum
• Connection Type: Lug/Pad
• Mounting Type: Ceiling/Floor
• Efficiency: 97.89%
• Temperature Rise: 150 degrees C
• Dimensions: 21.5 in W x 20.1 in D x 22 in H

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Specifications

• Part Number: SG3A0015DK
• 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 : 15
• 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) : DH1-N3R
• Enclosure Dimensions : 21.88in/556mm(H), 21.5in/547mm(W), 20.12in/512mm(D)
• Nameplate : Standard
• Standard kVA : 15
• Vector Configuration : YNd1 (-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 : 803423123284
• Weight : 175
• Certification : CSA, UL

Documentation and Resources

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