SK3A0075KK4K - Hammond Power Solutions 75kVA 3-Phase 480D-480Y/277V Transformer Type 3R

SK3A0075KK4K

SK3A0075KK4K is a 75kVA three-phase distribution transformer from Hammond Power Solutions designed for general-purpose applications requiring reliable power distribution. Part Number SK3A0075KK4K features a Sentinel K Series design optimized for handling non-linear loads such as computer equipment, telecommunications systems, and power electronics while maintaining efficient energy distribution. This copper-wound transformer is housed in a heavy-duty Type 3R ventilated enclosure with ANSI 61 grey finish and mechanical lug terminations for secure cable installation. The unit measures 36 inches in height, 28.25 inches in width, and 27 inches in depth, with an approximate weight of 880 pounds.

• Capacity: 75,000 VA (75 kVA)
• Configuration: Three-phase
• Primary Voltage: 480 Delta
• Secondary Voltage: 480Y/277V
• Winding Material: Copper
• Frequency: 60 Hz
• Temperature Rise: 150 degrees Celsius
• Enclosure Type: Type 3R with IP24 rating
• Enclosure Finish: ANSI 61 Grey
• Termination: Front accessible separate high and low voltage terminals
• UL Listed: File E112313
• CSA Certified: File LR3902

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

Specifications

• Part Number: SK3A0075KK4K
• 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 : 79.3725
• 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) : 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 : 803423129033
• Weight : 645
• Certification : CSA, UL

Documentation and Resources

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