SK3A0300PB9S - Hammond Power Solutions Sentinel K 300 kVA 600V Class 3-Phase Energy Efficient Transformer

SK3A0300PB9S

SK3A0300PB9S is a Hammond Power Solutions Sentinel K series 3-phase energy efficient transformer rated at 300 kVA and 600 volts class.SK3A0300PB9S is designed for general purpose low voltage distribution applications, compliant with DOE 2016 and NRCan 2019 energy efficiency standards. It features a 3-phase configuration with aluminum windings, suitable for powering appliances, lighting, heating, and motorized loads. The transformer has a 150°C temperature rise and is housed in a heavy-duty ventilated Type 3R enclosure for robust protection. It supports 60 Hz frequency operation and is UL Listed and CSA Certified.

Key Specifications
• Power Rating: 300 kVA
• Voltage Class: 600V
• Phase: 3-Phase
• Series: Sentinel K
• Enclosure Type: Heavy duty ventilated Type 3R
• Temperature Rise: 150°C
• Frequency: 60 Hz
• Winding Material: Aluminum
• Energy Efficiency: DOE 2016 and NRCan 2019 compliant
• Certifications: UL Listed, CSA Certified

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Specifications

• Part Number: SK3A0300PB9S
• 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 : 208Y/120
• Secondary Connection : Wye-N
• Material : Aluminum
• 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 : 803423129620
• 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)