SK3A0030KK3K - Hammond Power Solutions 30 kVA 3-Phase 480 Delta / 480Y/277V NEMA 3R Copper Wound Transformer

SK3A0030KK3K

SK3A0030KK3K is a Hammond Power Solutions Sentinel-K series energy efficient distribution transformer designed for general purpose applications. This transformer provides reliable power conversion for commercial and industrial loads with a robust NEMA 3R enclosure and copper winding construction.Engineered for use with 480 Delta primary voltage and 480Y/277V secondary voltage, this 3-phase transformer delivers 30 kVA of power at 60 Hz. It features a 150°C temperature rise and 220°C insulation class, making it suitable for demanding environments. The ventilated NEMA 3R enclosure provides protection against dust and moisture, and the transformer is designed for floor or wall mounting. It is UL Listed and CSA Certified for safety and compliance.

• 30 kVA power rating
• 3-phase configuration
• 480 Delta primary voltage
• 480Y/277V secondary voltage
• 60 Hz frequency
• Copper wound
• 150°C temperature rise
• 220°C insulation class
• NEMA 3R enclosure
• Floor or wall mounting
• UL Listed
• CSA Certified

At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

• Part Number: SK3A0030KK3K
• 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 : 34.5326
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 45 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) : DH2-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 25.75in/655mm(W), 23.8in/605mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 30
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : Yes
• Seismic IP : lp=1.5
• Seismic ZH : z/h=1
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423130626
• Weight : 315
• Certification : CSA, UL

Documentation and Resources

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