TN2A0075KHKF - Hammond Power Solutions 75kVA 3-Phase 480V Delta to 400Y/231V Wye Encapsulated Transformer 60Hz 180C Type 4

TN2A0075KHKF

TN2A0075KHKF is a 75 kVA three-phase encapsulated transformer from Hammond Power Solutions designed for industrial power distribution.This transformer features a 480V delta primary voltage and a 400Y/231V wye secondary voltage configuration. It is built with copper windings and encapsulated in epoxy and silica to provide excellent protection against airborne contaminants and harsh environments. The unit operates at 60 Hz frequency and has a 180°C insulation class temperature rise. It is housed in a Type 4 enclosure suitable for demanding applications.

Key Specifications
• Power Rating: 75 kVA
• Phase: Three-phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 400Y/231V Wye
• Frequency: 60 Hz
• Winding Material: Copper
• Insulation Temperature Rise: 180°C
• Enclosure Type: Type 4
• Encapsulation: Epoxy and silica encapsulated core and coil
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Specifications

• Part Number: TN2A0075KHKF
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty (Suitable For Some Hazardous Locations and Marine ABS Duty)
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Secondary Voltage : 400Y/231
• Secondary Connection : Wye-N
• Material : Copper
• Temperature Rise : 115°C
• Insulation Class : 180°C
• EKVA : 75
• Efficiency Regulation : No Efficiency Specification
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 55dBA (NEMA ST-20)
• Impedance (Std) : 2% - 5%
• Enclosure Type : Type 4 / IP66
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 25.63in/652mm(H), 32.38in/823mm(W), 22in/559mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 75
• 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
• Primary FCAN (Std) : 2x2.5%
• Primary Termination (Std) : Mounting Pads



Product Data

• UPC : 803423151225
• Weight : 5.19
• Certification : cULus (Class I, Division 2, Groups A,B,C,D and Class I, Zone 2, Group IIC, T3 Hazardous Location), ABS



Documentation and Resources

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