SK3A0750KB3S - Hammond Power Solutions 3-Phase 750kVA 480V Delta to 208Y/120V Aluminum Wound Transformer NEMA 3R

SK3A0750KB3S

SK3A0750KB3S is a three-phase, energy-efficient distribution transformer from Hammond Power Solutions, designed for general purpose power distribution applications. This transformer features an aluminum wound construction and is rated for 750kVA, with a primary voltage of 480V Delta and a secondary voltage of 208Y/120V. It is built to meet DOE 2016 and NRCan 2019 energy efficiency standards, and is housed in a NEMA 3R enclosure for protection against environmental conditions. The unit is suitable for floor mounting and is ideal for use in commercial and industrial environments.

• Three-phase design
• 750kVA capacity
• 480V Delta primary voltage
• 208Y/120V secondary voltage
• Aluminum wound
• 60 Hz frequency
• NEMA 3R enclosure
• Energy efficient, DOE 2016 and NRCan 2019 compliant
• Floor mount
• UL Listed
• CSA Certified
• 600V class

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Specifications

• Part Number: SK3A0750KB3S
• 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
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 208Y/120
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 1000.62
• 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%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH8-N3R
• Enclosure Dimensions : 82in/2083mm(H), 60in/1524mm(W), 47in/1194mm(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

Product Data

• UPC : 803423130268
• Weight : 5400
• Certification : CSA, UL

Documentation and Resources

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