SK3A0075KB3S - Hammond Power Solutions 3-Phase 75 kVA 480D-208Y/120V Aluminum Transformer 60Hz 150C 3R

SK3A0075KB3S

SK3A0075KB3S is a 3-phase, 75 kVA distribution transformer from Hammond Power Solutions designed for reliable power distribution in commercial and industrial applications.

This transformer features a 480 delta primary voltage and a 208Y/120 volt secondary voltage configuration, constructed with aluminum windings. It operates at 60 Hz frequency and is rated for 150 degrees Celsius temperature rise. The enclosure is Type 3R, providing protection suitable for outdoor use against rain and snow. It is part of the Sentinel K Series, model D16 SNTL-K K13, optimized for energy efficiency and harmonic handling in non-linear load environments.

• Power Rating: 75 kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 208Y/120V
• Frequency: 60 Hz
• Winding Material: Aluminum
• Temperature Rise: 150°C
• Enclosure Type: 3R (Rainproof)
• Series: Sentinel K (SNTL-K)
• Mounting Type: Floor (typical for DH3 case style)

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Specifications

• Part Number: SK3A0075KB3S
• 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 : 88.4237
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 53 dBA (NEMA ST-20)
• Impedance (Std) : 2.5% - 6.5%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH3-N3R
• Enclosure Dimensions : 36in/915mm(H), 28.25in/718mm(W), 27in/686mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 75
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423126629
• Weight : 575
• Certification : CSA, UL

Documentation and Resources

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