SK3A0075KK9S - Hammond Power Solutions 75 kVA 3 Phase 480D/480Y-277V Transformer 600V Class 150C 3R Enclosure

SK3A0075KK9S

SK3A0075KK9S is a 75 kVA three-phase transformer from Hammond Power Solutions designed for low-voltage distribution applications.

This transformer features a primary voltage of 480V Delta and a secondary voltage of 480Y/277V, rated for 600 volts class operation at 60 Hz frequency. It has a 150°C temperature rise rating and comes with a Type 3R enclosure suitable for outdoor use. The unit measures approximately 36 inches in height, 28.25 inches in width, and 27 inches in depth, with a gross weight of about 550 lbs. It is UL listed and CSA certified, ensuring compliance with North American safety standards.

• Power Rating: 75 kVA
• Phase: 3
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V
• Frequency: 60 Hz
• Temperature Rise: 150°C
• Enclosure Type: 3R (outdoor rated)
• Mounting Type: Floor
• Approvals: UL Listed, CSA Certified
• Dimensions (H x W x D): 36 x 28.25 x 27 inches
• Weight: Approximately 550 lbs

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Specifications

• Part Number: SK3A0075KK9S
• 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
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 84.5207
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 50 dBA (NEMA ST-20)
• Impedance (Std) : 2.5% - 6.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 36in/915mm(H), 28.25in/718mm(W), 27in/686mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 75
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No
• Primary FCAN (Std) : 2x2.5%
• Primary Termination (Std) : Mechanical Lugs

Product Data

• UPC : 803423129804
• Weight : 600
• Certification : CSA, UL

Documentation and Resources

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