DM118JJ - Hammond Power Solutions 118 kVA 3-Phase Drive Isolation Transformer 460V Delta Primary 460Y/266V Secondary NEMA 3R

DM118JJ

DM118JJ is a 3-phase, 118 kVA drive isolation transformer designed for industrial applications requiring reliable voltage isolation and power conditioning.

This Hammond Power Solutions transformer features a 460V Delta primary voltage with 460Y/266V secondary voltage configuration, suitable for AC/DC variable speed drive applications. It is an open core, dry-type transformer rated for 60 Hz operation and designed for flexible mounting options including floor, wall, or ceiling. The unit is NEMA 3R rated, providing protection suitable for outdoor and indoor environments. Constructed with aluminum windings, it supports robust performance and durability in demanding electrical systems.

• Power Rating: 118 kVA
• Phase: 3-Phase
• Primary Voltage: 460V Delta
• Secondary Voltage: 460Y/266V
• Frequency: 60 Hz
• Mounting: Floor, Wall, or Ceiling
• Type: Drive Isolation Transformer
• Enclosure Rating: NEMA 3R
• Winding Material: Aluminum

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Specifications

• Part Number: DM118JJ
• 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 : 118
• 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 : 118
• 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 : 803423003777
• GTIN : 00803423003777
• Weight : 725
• Certification : CSA, UL

Documentation and Resources

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