SG3A0500KY0C - Hammond Power Solutions 3-Phase 500kVA 480D-380Y/220V Copper NEMA 3R Transformer

SG3A0500KY0C

SG3A0500KY0C is a Hammond Power Solutions Sentinel G general purpose distribution transformer designed for reliable power distribution in industrial and commercial applications. This three-phase transformer features a copper winding and is rated for 500kVA, with a primary voltage of 480 delta and a secondary voltage of 380Y/220V, making it suitable for a wide range of electrical loads. The transformer is built with a heavy-duty NEMA 3R enclosure for protection against environmental factors and is rated for 60 Hz operation. It is engineered for efficient performance and durability, supporting applications such as lighting, heating, and motor loads. The unit is UL Listed and CSA Certified, ensuring compliance with North American safety standards.

• Part Number: SG3A0500KY0C
• Manufacturer: Hammond Power Solutions
• Type: General Purpose Distribution Transformer
• Phase: 3-Phase
• Rating: 500kVA
• Primary Voltage: 480 Delta
• Secondary Voltage: 380Y/220V (with taps at 400Y, 416Y, 430Y)
• Winding Material: Copper
• Frequency: 60 Hz
• Enclosure: NEMA 3R
• Temperature Rise: 150°C
• Insulation Class: 220°C
• BIL Rating: 10 kV
• Mounting Type: Floor
• Standards: UL Listed, CSA Certified

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Specifications

• Part Number: SG3A0500KY0C
• 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 : 430Y/248, 416Y/240, 400Y/231, 380Y/219
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 500
• 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 : 60 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Secondary Termination (NPL) : Mounting Pads, Mounting Pads, Mounting Pads, 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 : 500
• 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 : 803423128128
• Weight : 3800
• Certification : CSA, UL

Documentation and Resources

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