DM020KDCN - Hammond Power Solutions 20kVA 3-Phase Drive Isolation Transformer 480V Delta Primary 240Y Secondary Copper Wound

DM020KDCN

DM020KDCN is a 20kVA three-phase drive isolation transformer designed for industrial applications requiring reliable power isolation and voltage transformation.This Hammond Power Solutions transformer features a 480V delta primary and a 240Y secondary, constructed with copper windings for improved efficiency and durability. It is engineered for use with variable frequency drives and other demanding industrial loads, providing effective isolation and voltage regulation.

• 20kVA rating
• Three-phase configuration
• 480V delta primary voltage
• 240Y secondary voltage
• Copper wound
• 60 Hz frequency
• 220°C insulation system
• 150°C typical temperature rise
• Typical impedance 3 to 6%
• Floor mounting
• Meets UL and CSA short circuit withstand requirements
• Standard shield included

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Specifications

• Part Number: DM020KDCN
• 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
• Temperature Rise : 130°C
• Insulation Class : 200°C
• EKVA : 21.8712
• 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 : 45 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) : NH6-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 23.9in/608mm(W), 25in/635mm(D)
• Nameplate : Standard
• Standard kVA : 20
• 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 : 803423033606
• GTIN : 00803423033606
• Weight : 260
• Certification : CSA, UL

Documentation and Resources

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