TN2A0045KBKF - Hammond Power Solutions 45kVA 3-Phase Encapsulated Transformer 480D-208Y/120V 60Hz 180C NEMA 4

TN2A0045KBKF

TN2A0045KBKF is a 45kVA 3-phase encapsulated transformer from Hammond Power Solutions designed for hazardous locations with a NEMA 4 enclosure.

This transformer features a 480V Delta primary and 208Y/120V secondary voltage configuration, operating at 60 Hz frequency. It is constructed with copper windings and an insulation system rated for 180°C temperature rise. The unit includes a factory-installed grounding lug and a removable hinged door for easy access. It is suitable for wall mounting and built to withstand harsh environments, meeting NEMA 4 standards for protection against water and dust ingress.

Key Specifications
• Power Rating: 45kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 208Y/120V
• Frequency: 60 Hz
• Insulation Temperature Rise: 180°C
• Enclosure Type: NEMA 4
• Mounting Type: Wall Mount
• Winding Material: Copper

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Specifications

• Part Number: TN2A0045KBKF
• 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
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 4x2.5%
• Secondary Voltage : 208Y/120
• Secondary Connection : Wye-N
• Material : Copper
• Temperature Rise : 115°C
• Insulation Class : 180°C
• EKVA : 45
• Efficiency Regulation : No Efficiency Specification
• Seismic Compliance : OSHPD, IBC 2018 (Sds=2.0, z/h=1, lp=1.5)
• Sound Level : 50dBA (NEMA ST-20)
• Impedance (Std) : 2% - 5%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 4 / IP66
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DQT6-N4
• Enclosure Dimensions : 21.88in/556mm(H), 26.13in/664mm(W), 19.75in/502mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 45
• 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 : 803423151010
• Weight : 640
• 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)