TE3A0275KK - Hammond Power Solutions 275kVA 3 Phase 480D-480Y/277V Aluminum Drive Isolation Transformer NRC18 DIT 60Hz 3R

TE3A0275KK

TE3A0275KK is a Hammond Power Solutions energy efficient drive isolation transformer designed for demanding industrial applications. This unit features a robust aluminum winding construction and is built to meet the latest North American efficiency standards for reliable performance. The TE3A0275KK is a three-phase transformer with a 275kVA rating, primary voltage of 480 Delta VAC, and secondary voltage of 480Y/277 VAC. It is engineered for use with variable speed drives and provides effective voltage transformation and isolation. The transformer is housed in a NEMA 3R enclosure for protection against environmental factors and is suitable for both floor and wall mounting.

• Part Number: TE3A0275KK
• Manufacturer: Hammond Power Solutions
• Type: Energy Efficient Drive Isolation Transformer
• Phase: 3 Phase
• Power Rating: 275 kVA
• Primary Voltage: 480 Delta VAC
• Secondary Voltage: 480Y/277 VAC
• Winding Material: Aluminum
• Frequency: 60 Hz
• Enclosure: NEMA 3R
• Mounting: Floor/Wall
• Series: Tribune E (NRC18 DIT)
• Insulation Class: 220°C
• Temperature Rise: 150°C
• BIL Rating: 10 kV
• Standards: DOE 2016, NRCan 2019

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Specifications

• Part Number: TE3A0275KK
• 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) : 2x2.5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 275
• Efficiency Regulation : NRCAN 2019 (Canada)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 55 dBA (NEMA ST-20)
• Impedance (Std) : 3.5% - 7%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH5-N3R
• Enclosure Dimensions : 52in/1321mm(H), 37.5in/953mm(W), 34in/864mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 275
• 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 : 803423143855
• Weight : 1750
• Certification : CSA, UL

Documentation and Resources

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