DM020JJ - Hammond Power Solutions 20kVA 3-Phase Drive Isolation Transformer 460V Delta 460Y/266V Wye-N 60Hz NEMA 3R

DM020JJ

DM020JJ is a 20 kVA 3-phase drive isolation transformer from Hammond Power Solutions designed for industrial applications.This transformer features a 460V delta primary and 460Y/266V wye-neutral secondary configuration, operating at 60 Hz frequency. It has aluminum windings rated for 150°C insulation rise and is suitable for floor, wall, or ceiling mounting. The unit is NEMA 3R rated, providing protection for outdoor or harsh environments.

Key Specifications
• Power Rating: 20 kVA
• Phase: 3-Phase
• Primary Voltage: 460V Delta
• Secondary Voltage: 460Y/266V Wye-Neutral
• Frequency: 60 Hz
• Winding Material: Aluminum
• Insulation Temperature Rise: 150°C
• Mounting Type: Floor, Wall, or Ceiling
• Enclosure Rating: NEMA 3R
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Specifications

• Part Number: DM020JJ
• 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) : 1x5%
• Primary FCBN (NPL) : 1x5%
• Secondary Voltage : 460Y/266
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 20
• 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 : 803423002817
• GTIN : 00803423002817
• Weight : 285
• Certification : CSA, UL



Documentation and Resources

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