DM550JH - Hammond Power Solutions 3-Phase Drive Isolation Transformer 550kVA 460V Delta/400V Wye 60Hz

DM550JH

DM550JH is a three-phase drive isolation transformer designed for industrial applications requiring reliable power distribution and motor drive protection. This transformer features a 550kVA capacity and is built to handle demanding environments with robust construction and high-quality materials. The DM550JH is engineered for use with variable frequency drives and provides effective isolation between the power source and sensitive equipment. It supports a primary voltage of 460V Delta and a secondary voltage of 400V Wye, making it suitable for a wide range of industrial power systems. The transformer is rated for 60Hz operation and is designed to withstand overcurrent conditions, ensuring stable performance under load fluctuations.

• Three-phase drive isolation transformer
• 550kVA capacity
• 460V Delta primary voltage
• 400V Wye secondary voltage
• 60Hz frequency
• Floor mounting type
• Designed for industrial motor drive applications
• Robust construction for demanding environments
• Meets UL and CSA short circuit withstand requirements
• 220°C (150°C rise) insulation system
• Copper windings
• High impedance for drive compatibility

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Specifications

• Part Number: DM550JH
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 460D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 2x2.5%
• Secondary Voltage : 400Y/231
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 550
• 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 : 62 dBA (NEMA ST-20)
• Impedance (Std) : 4.5% - 7%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : NJ2-N3R
• Enclosure Dimensions : 59in/1499mm(H), 48.5in/1232mm(W), 38in/966mm(D)
• Nameplate : Standard
• Standard kVA : 550
• 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 : 803423052942
• GTIN : 00803423052942
• Weight : 3050
• Certification : CSA, UL

Documentation and Resources

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