SK3A0150KB4S - Hammond Power Solutions 3 Phase 150 kVA 480 Delta to 208Y/120V Transformer NEMA 3R Aluminum 60Hz

SK3A0150KB4S

SK3A0150KB4S is a 3 phase, 150 kVA dry-type transformer from Hammond Power Solutions designed for general purpose power distribution.This transformer features a primary voltage of 480V Delta and a secondary voltage of 208Y/120V, operating at 60 Hz frequency. It is aluminum wound with a NEMA 3R enclosure suitable for outdoor use, rated for 150°C temperature rise. The unit is part of the Sentinel-K series with a D16 frame style, providing reliable energy-efficient performance for commercial and industrial applications.

Key Specifications
• Phase: 3
• Power Rating: 150 kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 208Y/120V
• Frequency: 60 Hz
• Enclosure: NEMA 3R
• Winding Material: Aluminum
• Temperature Rise: 150°C
• Series/Frame: Sentinel-K D16
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Specifications

• Part Number: SK3A0150KB4S
• 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 : 160.156
• 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 : 50 dBA (NEMA ST-20)
• Impedance (Std) : 3% - 6.5%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH4-N3R
• Enclosure Dimensions : 44.5in/1131mm(H), 31.5in/801mm(W), 29.5in/750mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 150
• 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 : 803423126544
• Weight : 960
• Certification : CSA, UL



Documentation and Resources

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