TE3A0660KG - Hammond Power Solutions 3-Phase Transformer 660kVA 480D-380Y/220V Aluminum 60Hz NEMA 3R

TE3A0660KG

TE3A0660KG is a three-phase general duty transformer from Hammond Power Solutions, designed for reliable power distribution in commercial and industrial applications. This unit features a 480V delta primary and a 380Y/220V wye-n secondary, constructed with aluminum windings for efficient performance and durability. The transformer is housed in a heavy-duty ventilated Type 3R enclosure, suitable for both indoor and outdoor installations. Engineered for 60 Hz operation, the TE3A0660KG offers a robust solution for a wide range of electrical loads. It meets North American efficiency standards and is UL Listed and CSA Certified for safety and compliance. The unit is designed for floor mounting, with optional wall mounting available depending on installation requirements.

• Three-phase general duty transformer
• 660 kVA capacity
• 480V delta primary voltage
• 380Y/220V wye-n secondary voltage
• 60 Hz frequency
• Aluminum windings
• Type 3R enclosure
• Floor mounting standard, wall mounting optional
• UL Listed
• CSA Certified
• Meets NEMA ST-20 sound level standards
• 220°C insulation system (150°C rise)

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Specifications

• Part Number: TE3A0660KG
• 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 : 380Y/220
• 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 : 803423143725
• 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)