SK3A0300PK3S - Hammond Power Solutions 3 Phase 300kVA 600D-480Y/277V Dry Type Transformer Sentinel K Series

SK3A0300PK3S

SK3A0300PK3S is a 3 phase, 300kVA dry type transformer from Hammond Power Solutions' Sentinel K series designed for energy efficient k-factor applications.

This transformer features a 600 volt delta primary and 480Y/277 volt secondary configuration, suitable for general purpose distribution at 60 Hz frequency. It is built with aluminum windings and a NEMA 3R ventilated enclosure rated for 150°C temperature rise. The Sentinel K series complies with North American efficiency standards including DOE 2016 and NRCan 2019, and is UL listed and CSA certified for safety and performance.

• Power Rating: 300 kVA
• Phase: 3 Phase
• Primary Voltage: 600V Delta
• Secondary Voltage: 480Y/277V
• Frequency: 60 Hz
• Enclosure Type: NEMA 3R ventilated
• Temperature Rise: 150°C
• Winding Material: Aluminum
• Series: Sentinel K (K-Factor Energy Efficient)
• Certifications: UL Listed, CSA Certified

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Specifications

• Part Number: SK3A0300PK3S
• 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
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 377.69
• 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 : 58 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) : DH5-N3R
• 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

Product Data

• UPC : 803423130794
• Weight : 1850
• Certification : CSA, UL

Documentation and Resources

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