SK3A0150KB4K - Hammond Power Solutions Transformer Dry Type NEMA 3R 480 Delta 208Y/120 3PH 150kVA

SK3A0150KB4K

SK3A0150KB4K is a Hammond Power Solutions Sentinel K Series three-phase dry type transformer with a NEMA 3R enclosure, designed for reliable power distribution in commercial and industrial applications. This unit features a 480 Delta primary voltage and a 208Y/120 secondary voltage, providing efficient energy transfer for a wide range of electrical loads. The transformer is built with copper windings and is rated for 150 kVA, making it suitable for demanding environments. It operates at 60 Hz and is engineered for a 150°C temperature rise, ensuring stable performance under continuous load. The NEMA 3R enclosure offers protection against dust, rain, and sleet, making it ideal for both indoor and outdoor installations.

• Part Number: SK3A0150KB4K
• Manufacturer: Hammond Power Solutions
• Series: Sentinel K
• Type: Dry Type
• Enclosure: NEMA 3R
• Phase: 3
• Primary Voltage: 480 Delta
• Secondary Voltage: 208Y/120
• Frequency: 60 Hz
• Temperature Rise: 150°C
• Insulation Class: 220°C
• UL Listed
• CSA Certified

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Specifications

• Part Number: SK3A0150KB4K
• 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
• 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 : 803423126605
• Weight : 1050
• Certification : CSA, UL

Documentation and Resources

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