DM550KK - Hammond Power Solutions 550 kVA 3-Phase Drive Isolation Transformer 480V Delta to 480V Wye Aluminum

DM550KK

DM550KK is a 550 kVA three-phase drive isolation transformer from Hammond Power Solutions designed for industrial power distribution.DM550KK features a 600V class rating with a 480V Delta primary and 480V Wye secondary configuration, constructed with an aluminum core and coil for efficient performance. It is engineered for drive applications requiring isolation and reliable voltage transformation.

• Power Rating: 550 kVA
• Phase: Three-phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 480V Wye
• Voltage Class: 600V
• Core and Coil Material: Aluminum
• Application: Drive Isolation
• Mounting Type: Floor mount (typical for DM series)
• Frequency: 60 Hz

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Specifications

• Part Number: DM550KK
• 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) : 2x2.5%
• Primary FCBN (NPL) : 2x2.5%
• Secondary Voltage : 480Y/277
• 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 : 803423052966
• Weight : 2700
• Certification : CSA, UL

Documentation and Resources

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