Hammond Power Solutions DM330JJ - 330 KVA Drive Isolation Transformer (460D/460Y-266V)
Hammond Power Solutions DM330JJ - 330 KVA Drive Isolation Transformer (460D/460Y-266V)

Hammond Power Solutions DM330JJ - 330 KVA Drive Isolation Transformer (460D/460Y-266V)

Hammond Power Solutions
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Save $5,595.37
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  • Low stock - 3 items left
  • Backordered, shipping soon

💡 Important Notice for Hammond Products

Hammond products are Non-Cancellable and Non-Returnable.

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Hammond Power Solutions DM330JJ is a 330 KVA three-phase drive isolation transformer engineered to protect variable frequency drives from power disturbances in industrial environments. It operates with a 460V Delta primary and 460Y/266V secondary voltage configuration, delivering robust electrical isolation at 60 Hz. The unit is floor mounted within a Type 3R / IP24 enclosure rated for both indoor and outdoor use, featuring aluminum windings with a 150°C temperature rise and 220°C insulation class, along with a coil mounted thermal warning switch. It is certified to CSA and UL standards, ensuring reliable performance in demanding settings. This transformer is typically applied in drive isolation for motor control centers, manufacturing lines, and heavy machinery.

Key Features & Specifications
  • Power Rating: 330 KVA
  • Phase: 3
  • Primary Voltage: 460D
  • Secondary Voltage: 460Y/266
  • Mounting Type: Floor Mount
  • Enclosure Type: Type 3R / IP24
  • Frequency: 60 Hz
  • Winding Material: Aluminum
  • Temperature Rise: 150°C
  • Insulation Class: 220°C
  • Certification: CSA, UL
  • Includes Coil Mounted Thermal Warning Switch
  • Weight: 1650 lb


Product Identification
  • UPC: 803423004378
  • GTIN: 00803423004378