Hammond Power Solutions DM440NJ - 440 kVA 3-Phase Drive Isolation Transformer
Hammond Power Solutions DM440NJ - 440 kVA 3-Phase Drive Isolation Transformer

Hammond Power Solutions DM440NJ - 440 kVA 3-Phase Drive Isolation Transformer

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

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Hammond Power Solutions DM440NJ is a 440 kVA 3-phase drive isolation transformer engineered to protect variable speed drives from power disturbances. It operates with a primary voltage of 575V Delta and a secondary voltage of 460Y/266V, featuring copper windings and a 220°C insulation system with a 150°C temperature rise for reliable performance under demanding conditions. The unit is housed in a Type 3R / IP24 enclosure, weighs 2500 lb, and is designed for floor mounting, with the ability to withstand overcurrent conditions of 150% rated load for 60 seconds or 200% for 30 seconds. It complies with CSA and UL certifications, meeting UL and CSA short circuit withstand requirements. This transformer is typically applied in industrial settings for isolating drives and ensuring stable operation of variable speed drive systems.

Key Features & Specifications
  • Power Rating: 440 kVA
  • Phase: 3-Phase
  • Primary Voltage: 575V Delta
  • Secondary Voltage: 460Y/266
  • Winding Material: Copper
  • Insulation System: 220°C (150°C rise)
  • Frequency: 60 Hz
  • Enclosure Type: Type 3R / IP24
  • Mounting Type: Floor Mount
  • Weight: 2500 lb
  • Certification: CSA, UL
  • Short Circuit Withstand: UL and CSA Compliant
  • Designed for Drive Isolation Applications


Product Identification
  • UPC: 803423004538
  • GTIN: 00803423004538