Hammond Power Solutions DM660BK - Drive Isolation Transformer 660 kVA (208D/480Y)
Hammond Power Solutions DM660BK - Drive Isolation Transformer 660 kVA (208D/480Y)

Hammond Power Solutions DM660BK - Drive Isolation Transformer 660 kVA (208D/480Y)

Hammond Power Solutions
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💡 Important Notice for Hammond Products

Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions DM660BK is a three-phase drive isolation transformer designed to provide reliable voltage transformation and isolation for variable speed drives and other heavy-duty industrial equipment. This unit features a 660 kVA rating with a 208V delta primary and 480Y/277V secondary configuration, operating at 60 Hz. It is constructed with a floor-mount design, a 220°C insulation system with a 150°C temperature rise, and a Type 3R / IP24 enclosure for outdoor or indoor use. The transformer is certified to CSA and UL standards, meeting North American efficiency requirements. Typical applications include powering AC and DC variable speed drives in manufacturing, processing, and automation environments.

Key Features & Specifications
  • Type: Drive isolation transformer
  • kVA Rating: 660
  • Phase: 3
  • Primary Voltage: 208D
  • Secondary Voltage: 480Y/277
  • Frequency: 60 Hz
  • Enclosure Type: Type 3R / IP24
  • Mounting: Floor mount
  • Insulation Class: 220°C (150°C rise)
  • Certification: CSA, UL
  • Weight: 3500 lb


Product Identification
  • UPC: 803423052980