SG3A0500KK0C - Hammond Power Solutions Sentinel G 500kVA 480D Primary 277/480Y Secondary 3-Phase Dry Type Transformer NEMA 3R

SG3A0500KK0C

SG3A0500KK0C is a three-phase dry type transformer from the Hammond Power Solutions Sentinel G series, designed for general purpose distribution applications. This transformer features a 480V delta primary and a 277/480Y secondary, making it suitable for a wide range of commercial and industrial power needs. The SG3A0500KK0C is built with a robust NEMA 3R enclosure for protection against environmental factors, and is constructed with copper windings for reliable performance. It is rated for 500kVA and operates at 60 Hz, supporting loads up to 600 volts. The transformer is designed for floor mounting and provides front accessible terminals for easy installation and maintenance.

• Part Number: SG3A0500KK0C
• Manufacturer: Hammond Power Solutions
• Series: Sentinel G
• Transformer Type: Dry Type
• Primary Voltage: 480V Delta
• Secondary Voltage: 277/480Y
• Phase: 3-Phase
• kVA Rating: 500kVA
• Mounting Type: Floor
• Enclosure: NEMA 3R
• Winding Material: Copper
• Frequency: 60 Hz

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Specifications

• Part Number: SG3A0500KK0C
• 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 : 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
• 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 : 803423128203
• Weight : 3100
• Certification : CSA, UL

Documentation and Resources

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