Hammond Power Solutions DM275KKC - 275 kVA Drive Isolation Transformer (480D/480Y)
Hammond Power Solutions DM275KKC - 275 kVA Drive Isolation Transformer (480D/480Y)

Hammond Power Solutions DM275KKC - 275 kVA Drive Isolation Transformer (480D/480Y)

Hammond Power Solutions
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Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions DM275KKC is a 275 kVA 3-phase drive isolation transformer designed to protect variable frequency drives from power line disturbances and provide voltage matching for industrial motor control systems. It features a 480V delta primary and 480V wye secondary configuration with copper wound coils, a 220°C insulation system rated for a 150°C temperature rise, and the ability to withstand overcurrent conditions of 150% rated load for 60 seconds or 200% for 30 seconds. This unit weighs 1600 lb, is housed in a Type 3R / IP24 enclosure for outdoor or indoor use, and is intended for floor mounting. It meets UL and CSA short circuit withstand requirements, ensuring reliable performance in demanding environments. Typical applications include powering adjustable speed drives, pumps, fans, and other heavy industrial machinery in manufacturing and processing facilities.

Key Features & Specifications
  • Type: Drive Isolation Transformer
  • Power Rating: 275 kVA
  • Primary Voltage: 480D (480V Delta)
  • Secondary Voltage: 480Y/277 (480V Wye)
  • Phase: 3
  • Enclosure Type: Type 3R / IP24
  • Weight: 1600 lb
  • Winding Material: Copper
  • Insulation System: 220°C (150°C rise)
  • Overcurrent Withstand: 150% for 60 seconds, 200% for 30 seconds
  • Mounting: Floor
  • Certification: CSA, UL


Product Identification
  • UPC: 803423052799