SK3A0750KK3K - Hammond Power Solutions 3-Phase 750kVA 480D-480Y/277V Copper K-Factor Transformer 60Hz 150C 3R

SK3A0750KK3K

SK3A0750KK3K is a Hammond Power Solutions Sentinel-K K13 three-phase k-factor transformer designed for demanding applications with non-linear loads. This transformer provides reliable power distribution with a 750kVA rating, 480V delta primary, and 480Y/277V secondary, making it ideal for commercial and industrial environments. Engineered for efficiency and durability, the SK3A0750KK3K features copper windings, a 150°C temperature rise, and a heavy-duty Type 3R enclosure for protection against environmental factors. The Sentinel-K series is specifically built to handle harmonic distortion from non-linear loads, ensuring stable operation and extended equipment life.

• Manufacturer: Hammond Power Solutions
• Series: Sentinel-K
• Part Number: SK3A0750KK3K
• Type: Three-Phase K-Factor Transformer
• Rating: 750kVA
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V
• Frequency: 60Hz
• Winding Material: Copper
• Temperature Rise: 150°C
• Enclosure: Type 3R
• Insulation Class: 220°C
• BIL Rating: 10kV
• UL Listed
• CSA Certified

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Specifications

• Part Number: SK3A0750KK3K
• 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 : 1000.62
• Efficiency Regulation : DOE 2016 (US), NRCAN 2019 (Canada), NMX 2021 (Mexico)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 67 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH6-N3R
• Enclosure Dimensions : 64in/1626mm(H), 49in/1245mm(W), 39in/991mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 750
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=0
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423130701
• Weight : 4200
• Certification : CSA, UL

Documentation and Resources

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