DM040JH - Hammond Power Solutions 40 kVA 460 VAC 3-Phase Drive Isolation Transformer NH6 Frame

DM040JH

DM040JH is a 40 kVA, 3-phase drive isolation transformer from Hammond Power Solutions designed for industrial applications requiring reliable voltage isolation and conditioning.

This transformer features a 460 VAC primary voltage rating and is built with an NH6 frame style. It supports both floor and wall mounting options, providing installation flexibility. The unit is engineered for rugged use with a 150°C temperature rise insulation system and copper or aluminum winding options. It is suitable for use with AC and DC variable speed drives, ensuring voltage stability and noise reduction in demanding environments.

• Power rating: 40 kVA
• Primary voltage: 460 VAC
• Phase: 3-phase
• Frame style: NH6
• Mounting type: Floor or Wall mount
• Temperature rise: 150°C insulation system
• Designed for drive isolation applications
• Dimensions (W x D x H): 23.90 x 25.00 x 28.75 inches
• Approximate weight: 350 lbs
• Series: DM Series

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Specifications

• Part Number: DM040JH
• 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 : 400Y/231
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 40
• 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 : 40
• 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 : 803423052225
• GTIN : 00803423052225
• Weight : 380
• Certification : CSA, UL

Documentation and Resources

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