SK3A0500PK3K - Hammond Power Solutions 500 kVA Three Phase Distribution Transformer

SK3A0500PK3K

SK3A0500PK3K is a 500 kVA three phase general purpose distribution transformer manufactured by Hammond Power Solutions for low voltage applications.

This transformer features a Delta primary winding configuration with 347V or 600V primary voltage and Wye secondary winding with 277V or 480V secondary voltage. The unit is constructed with copper windings and is rated for 600 volts and below, making it suitable for supplying appliance, lighting, heating, motorized machine and power loads from electrical distribution systems. The transformer meets North American efficiency standards including U.S. DOE 10 CFR Part 431 (DOE 2016) and is UL Listed and CSA Certified.

• Power Rating: 500 kVA
• Phase: Three Phase
• Primary Voltage: 347V or 600V Delta
• Secondary Voltage: 277V or 480V Wye
• Winding Material: Copper
• Frequency: 60 Hz
• UL Listed: File E112313
• CSA Certified: File LR3902
• Insulation Class: 220 deg C
• Application: General Purpose Distribution

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Specifications

• Part Number: SK3A0500PK3K
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 600D
• Primary Connection : Delta
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 642.262
• 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 : 63 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 64in/1626mm(H), 49in/1245mm(W), 39in/991mm(D)
• Electrostatic Shield : Single
• 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
• Primary FCAN (Std) : 2x2.5%
• Primary Termination (Std) : Mounting Pads

Product Data

• UPC : 803423130916
• Weight : 1600
• Certification : CSA, UL

Documentation and Resources

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