Hammond Power Solutions DM040BK - Drive Isolation Transformer 40 kVA (208D/480Y)
Hammond Power Solutions DM040BK - Drive Isolation Transformer 40 kVA (208D/480Y)

Hammond Power Solutions DM040BK - Drive Isolation Transformer 40 kVA (208D/480Y)

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 DM040BK is a three-phase drive isolation transformer designed to protect variable frequency drives and other sensitive industrial equipment from electrical disturbances. It operates with a primary voltage of 208D and a secondary voltage of 480Y/277V, rated at 40 kVA and 60 Hz, with a typical impedance of 3-6%. The unit features aluminum construction with a 220°C insulation system and a 150°C temperature rise, housed in a Type 3R / IP24 enclosure for outdoor or indoor use, and weighs 380 lb. It is certified to CSA and UL standards and complies with IBC 2018 seismic requirements. This transformer is suited for industrial drive applications requiring reliable voltage transformation and harmonic mitigation.

Key Features & Specifications
  • Power Rating: 40 kVA
  • Primary Voltage: 208D VAC
  • Secondary Voltage: 480Y/277V
  • Phase: 3-Phase
  • Frequency: 60 Hz
  • Conductor Material: Aluminum
  • Insulation Class: 220°C
  • Temperature Rise: 150°C
  • Impedance: 3-6%
  • Sound Level: 45 dBA (NEMA ST-20)
  • Connection: Lug/Pad
  • Mounting: Floor or Wall
  • Enclosure Type: Type 3R / IP24
  • Certification: CSA, UL
  • Weight: 380 lb


Product Identification
  • UPC: 803423052201