TE3A0660KK - Hammond Power Solutions 660kVA 3 Phase 480D-480Y/277V Aluminum Drive Isolation Transformer 60Hz NEMA 3R

TE3A0660KK

TE3A0660KK is a Hammond Power Solutions 660kVA three-phase drive isolation transformer designed for industrial power distribution applications. This transformer features a 480V delta primary and a 480Y/277V wye secondary, constructed with aluminum windings and a NEMA 3R enclosure for protection in demanding environments. The TE3A0660KK is part of the HPS Tribune E series, engineered for energy efficiency and compatibility with variable speed drives. It is suitable for use in adverse atmospheric conditions and provides reliable isolation for sensitive equipment. The transformer is built to meet North American efficiency standards and is UL Listed and CSA Certified for safety and compliance.

• Part Number: TE3A0660KK
• Manufacturer: Hammond Power Solutions
• Series: Tribune E
• Rating: 660kVA
• Phase: 3 Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 480Y/277V Wye
• Winding Material: Aluminum
• Frequency: 60Hz
• Enclosure: NEMA 3R
• Certifications: UL Listed, CSA Certified
• Efficiency: NRCan 2019 compliant

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Specifications

• Part Number: TE3A0660KK
• 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
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 660
• Efficiency Regulation : NRCAN 2019 (Canada)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 62 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7.5%
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure Dimensions : 72in/1829mm(H), 54in/1372mm(W), 44in/1118mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 660
• 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
• Primary FCAN (Std) : 2x2.5%
• Primary Termination (Std) : Mounting Pads

Product Data

• UPC : 803423143893
• Weight : 1600
• Certification : CSA, UL

Documentation and Resources

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