DM075KD - Hammond Power Solutions 3-Phase 75 kVA 480-240V Drive Isolation Transformer Aluminum

DM075KD

DM075KD is a 3-phase, 75 kVA drive isolation transformer from Hammond Power Solutions designed for industrial applications requiring voltage transformation and isolation.

This transformer features a 480V delta primary to 240V secondary voltage configuration with aluminum windings. It is engineered to withstand overcurrent conditions of 150% rated load for 60 seconds or 200% for 30 seconds, making it suitable for variable speed drive applications. The unit supports floor or wall mounting and meets UL and CSA short circuit withstand requirements. It uses a 220°C insulation system with a 150°C temperature rise rating, ensuring durability and reliable performance in demanding environments.

• Power rating: 75 kVA
• Phase: 3-phase
• Primary voltage: 480V delta
• Secondary voltage: 240V
• Winding material: Aluminum
• Insulation system: 220°C (150°C rise)
• Mounting type: Floor or wall mount
• Designed for drive isolation applications
• Overcurrent withstand: 150% for 60 seconds, 200% for 30 seconds
• Short circuit withstand: UL and CSA compliant

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Specifications

• Part Number: DM075KD
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Primary FCAN (NPL) : 1x5%
• Primary FCBN (NPL) : 1x5%
• Secondary Voltage : 240Y/139
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 75
• Efficiency Regulation : No Efficiency Specification; approved for installation in US and LATAM
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 50 dBA (NEMA ST-20)
• Impedance (Std) : 3% - 6%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : NH3-N3R
• Enclosure Dimensions : 38in/966mm(H), 26in/661mm(W), 21in/534mm(D)
• Nameplate : Standard
• Standard kVA : 75
• Vector Configuration : Dyn1 (-30°)
• Seismic Standard Value : IBC 2018
• OSHPD : No
• Seismic IP : lp=1.5
• Seismic ZH : z/h=0
• Seismic SDS Value : Sds=2.0
• Enclosure IR Window : No

Product Data

• UPC : 803423003555
• GTIN : 00803423003555
• Weight : 535
• Certification : CSA, UL

Documentation and Resources

• Engineering Drawing (PDF)
• Brochure
• Hammond Product Application Videos
• Frequently Asked Questions
• Troubleshooting Guide
• Enclosure CAD Drawing (PDF)