Hammond Power Solutions DM275JJC - Drive Isolation Transformer 275 kVA (460Y/266V)
Hammond Power Solutions DM275JJC - Drive Isolation Transformer 275 kVA (460Y/266V)

Hammond Power Solutions DM275JJC - Drive Isolation Transformer 275 kVA (460Y/266V)

Hammond Power Solutions
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Hammond Power Solutions DM275JJC is a three-phase drive isolation transformer designed to provide electrical isolation between the incoming line and SCR load in variable speed drive applications. It is rated for 275 kVA with a primary voltage of 460D VAC and a secondary voltage of 460Y/266 VAC, operating at 60 Hz. The unit features aluminum wound construction with high-grade silicon steel laminations, a 220 deg C insulation class, and a floor-mount design housed in a Type 3R / IP24 indoor/outdoor enclosure with an ANSI 61 UL 50 gray finish. It is certified to CSA and UL standards and is ST-20 compliant, ensuring reliable performance in demanding environments. This transformer is suitable for industrial applications requiring robust isolation and overcurrent withstand capabilities, supporting 150% rated load for 60 seconds or 200% rated load for 30 seconds.

Key Features & Specifications
  • Manufacturer: Hammond Power Solutions
  • Part Number: DM275JJC
  • Power Rating: 275 kVA
  • Phase: 3-Phase
  • Primary Voltage: 460D VAC
  • Secondary Voltage: 460Y/266 VAC
  • Frequency: 60 Hz
  • Enclosure Type: Type 3R / IP24 (NJ1-N3R Indoor/Outdoor)
  • Certification: CSA, UL
  • Insulation Class: 220 deg C
  • Connection Type: Lug/Pad
  • Mounting: Floor Mount
  • Overcurrent Withstand: 150% rated load for 60 seconds or 200% rated load for 30 seconds
  • Winding Material: Aluminum
  • Weight: 1650 lb
  • Compliance: ST-20 compliant, ANSI 61, UL 50


Product Identification
  • UPC: 803423004262
  • GTIN: 00803423004262