SK3A0300PK9K - Hammond Power Solutions 300kVA 3-Phase 600D/480Y-277V Transformer

SK3A0300PK9K

SK3A0300PK9K is a three-phase general purpose distribution transformer rated 300kVA with primary voltage 600 delta and secondary voltage 480Y/277V, designed for supplying appliance, lighting, heating, motorized machine and power loads from electrical distribution systems. This HPS Sentinel K-series transformer features energy-efficient construction meeting DOE 2016 and NRCan 2019 compliance standards, with aluminum winding and heavy-duty NEMA 3R ventilated enclosure suitable for indoor and outdoor applications. The unit operates at 60Hz frequency with 220 degree Celsius insulation class, 150 degree Celsius temperature rise, and 10kV BIL rating for enhanced performance and durability.

• Capacity: 300kVA
• Primary Voltage: 600V Delta
• Secondary Voltage: 480Y/277V
• Phase: Three Phase
• Frequency: 60Hz
• Enclosure Type: NEMA 3R
• Temperature Rise: 150 degrees Celsius
• Insulation Class: 220 degrees Celsius
• BIL Rating: 10kV
• Winding Material: Aluminum
• Series: HPS Sentinel K
• Certifications: UL Listed, CSA Certified

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Specifications

• Part Number: SK3A0300PK9K
• 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 : 355.598
• 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 : 55 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 300
• 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 : 803423130176
• Weight : 5.19
• Certification : CSA, UL

Documentation and Resources

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