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Hammond Power Solutions

Hammond Power Solutions DM660BK 3-Phase Transformer | 660 kVA 208D-480Y/277V

Hammond Power Solutions DM660BK 3-Phase Transformer | 660 kVA 208D-480Y/277V

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Regular price $25,835.21 USD
Regular price $39,650.00 USD Sale price $25,835.21 USD
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⚠️ Special Order Policy – Hammond Products

Hammond transformers are built to order and processed immediately after purchase. All Hammond items are Non-Cancellable and Non-Returnable once the order is placed. Please confirm specifications carefully before checkout.

Product Description:
This three-phase general duty transformer is designed for industrial power distribution applications. It features a 208V delta primary and 480Y/277V wye secondary configuration, operating at 60Hz. Constructed with aluminum windings in a Type 3R/IP24 enclosure, it is suitable for industrial facilities and commercial power systems requiring reliable voltage transformation.

Key Features:
✔ Part Number: DM660BK
✔ Manufacturer: Hammond Power Solutions
✔ Category: Transformer
✔ Phase: 3
✔ Duty: General Duty
✔ Frequency: 60Hz
✔ Primary Voltage: 208D
✔ Primary Connection: Delta
✔ Secondary Voltage: 480Y/277
✔ Secondary Connection: Wye-N
✔ Material: Aluminum
✔ Temperature Rise: 150°C
✔ Insulation Class: 220°C
✔ EKVA: 660
✔ Seismic Compliance: IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
✔ Sound Level: 62 dBA (NEMA ST-20)
✔ Impedance (Std): 5.5% - 7.5%
✔ Enclosure Type: Type 3R / IP24
✔ Enclosure Finish: ANSI 61 Grey, UL50
✔ Weight: 3500
✔ Certification: CSA, UL

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