SK3A0150KK4K - Hammond Power Solutions 150kVA 3-Phase K-Factor Transformer 480V Delta-480Y/277V Aluminum 60Hz NEMA 3R

SK3A0150KK4K

SK3A0150KK4K is a Hammond Power Solutions Sentinel K energy efficient k-factor distribution transformer designed for demanding electrical environments. This transformer is built to handle non-linear loads and is ideal for commercial and industrial applications requiring reliable power distribution. The SK3A0150KK4K features an aluminum winding, three-phase configuration, and a NEMA 3R enclosure for protection against environmental factors. It is rated for 150kVA, 480V Delta primary, and 480Y/277V secondary, operating at 60Hz. The transformer is engineered for energy efficiency and meets North American standards for performance and safety.

• Manufacturer: Hammond Power Solutions
• Series: Sentinel K
• Rating: 150kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V
• Winding Material: Aluminum
• Frequency: 60Hz
• Enclosure Type: NEMA 3R
• Application: K-Factor, Energy Efficient
• Mounting Type: Floor
• UL Listed
• CSA Certified

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Specifications

• Part Number: SK3A0150KK4K
• 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 : 480Y/277
• 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) : Mechanical Lugs
• 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 : 803423129057
• Weight : 1100
• Certification : CSA, UL

Documentation and Resources

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