SK3A0750KK9S - Hammond Power Solutions 750 kVA 3-Phase K-Factor Energy Efficient Transformer 480V Delta / 480Y-277V 60Hz Type 3R

SK3A0750KK9S

SK3A0750KK9S is a Hammond Power Solutions 750 kVA 3-phase K-Factor energy efficient distribution transformer designed for low voltage applications up to 600 volts.

This transformer features a 480V Delta primary and 480Y/277V secondary voltage configuration, operating at 60 Hz frequency. It is part of the HPS Sentinel K series, optimized for k-factor rated loads to handle non-linear loads efficiently. The enclosure is rated Type 3R, suitable for outdoor use with protection against rain and snow. It is UL Listed and CSA Certified, meeting North American efficiency standards and designed for general purpose distribution including appliance, lighting, heating, and motorized machine loads.

• Power Rating: 750 kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V
• Frequency: 60 Hz
• K-Factor Rated for Non-Linear Loads
• Enclosure Type: Type 3R (Outdoor Rated)
• UL Listed and CSA Certified
• Energy Efficient Design
• Suitable for General Purpose Distribution

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Specifications

• Part Number: SK3A0750KK9S
• 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 : 930.726
• 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 : 64 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 72in/1829mm(H), 54in/1372mm(W), 44in/1118mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 750
• 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 : 803423129866
• 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)