SK3A1000PB3K - Hammond Power Solutions 1000 kVA 3-Phase 600V General Purpose Transformer Type 3R

SK3A1000PB3K

This transformer is rated for 600 volts and below, suitable for powering appliances, lighting, heating, and motorized machine loads. It features a 208Y/120V secondary voltage configuration, copper windings, and operates at 60 Hz frequency with a 150°C temperature rise insulation system. The enclosure is a heavy-duty ventilated Type 3R, providing protection against rain and snow, making it suitable for outdoor use. It is UL Listed and CSA Certified, meeting North American efficiency standards including U.S. DOE 10 CFR Part 431 and Canadian NRCan regulations. The design includes front accessible separate high and low voltage terminals compatible with copper and aluminum conductors. This model is part of the HPS Sentinel series known for energy efficiency and reliability.

Key Specifications
• Power Rating: 1000 kVA
• Phase: 3-Phase
• Primary Voltage: 600 V
• Secondary Voltage: 208Y/120 V
• Frequency: 60 Hz
• Insulation System: 150°C rise, 220°C class
• Enclosure Type: Heavy duty ventilated Type 3R
• Winding Material: Copper
• Certifications: UL Listed, CSA Certified
• Mounting Type: Floor mount standard, wall mount optional

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Specifications

• Part Number: SK3A1000PB3K
• 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
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 1358.31
• 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 : 67 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 : 1000
• 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 : 803423130497
• 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)