Hammond Power Solutions DM330JJC - 330 kVA Drive Isolation Transformer (460V Delta)
Hammond Power Solutions DM330JJC - 330 kVA Drive Isolation Transformer (460V Delta)

Hammond Power Solutions DM330JJC - 330 kVA Drive Isolation Transformer (460V Delta)

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 DM330JJC is a three-phase drive isolation transformer engineered to provide reliable electrical isolation and voltage transformation for variable speed drives in demanding industrial environments. It is rated for 330 kVA with a 460V delta primary and a 460Y/266V secondary, supporting a single 6-pulse drive configuration. The unit features copper windings, a 220°C insulation system with a 150°C rise, and is housed in a Type 3R / IP24 enclosure for outdoor or indoor use, weighing 1800 lb. It is UL Listed and CSA Certified for safety and performance, with a Dyn1 (-30°) vector configuration and a sound level of 60 dBA. Typical applications include powering variable frequency drives in manufacturing, processing, and heavy industrial facilities.

Key Features & Specifications
  • Manufacturer: Hammond Power Solutions
  • Part Number: DM330JJC
  • Rated kVA: 330
  • Primary Voltage: 460V Delta
  • Secondary Voltage: 460Y/266
  • Phase: Three-phase
  • Winding Material: Copper
  • Insulation System: 220°C (150°C rise)
  • Overcurrent Withstand: 150% for 60 seconds, 200% for 30 seconds
  • Enclosure Type: Type 3R / IP24
  • Mounting Type: Floor
  • Frequency: 60 Hz
  • Vector Configuration: Dyn1 (-30°)
  • Sound Level: 60 dBA
  • Thermal Protection: Normally closed thermostats, 200°C setpoint
  • Certification: CSA, UL
  • Weight: 1800 lb


Product Identification
  • UPC: 803423004385
  • GTIN: 00803423004385