DM051JHC - Hammond Power Solutions 51 kVA 3-Phase Drive Isolation Transformer 460V Delta Primary 400V Secondary

DM051JHC

DM051JHC is a 51 kVA 3-phase drive isolation transformer designed for industrial power applications.This transformer features a 460V delta primary voltage and a 400V secondary voltage, optimized for drive isolation. It is constructed with copper windings and a 220°C insulation system, providing reliable performance with a typical 150°C temperature rise. The unit meets UL and CSA short circuit withstand requirements and is suitable for floor or wall mounting with appropriate kits. The transformer has a robust design with precision-wound coils to minimize axial forces during short-circuit conditions.

• Power rating: 51 kVA
• Phase: 3-phase
• Primary voltage: 460V Delta
• Secondary voltage: 400V
• Conductor material: Copper
• Insulation system temperature rating: 220°C
• Typical temperature rise: 150°C
• Mounting type: Floor or wall (with kit)
• Short circuit withstand: UL and CSA certified
• Series: DM Series

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Specifications

• Part Number: DM051JHC
• 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
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 51
• 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) : NH6-N3R
• Enclosure Dimensions : 28.75in/731mm(H), 23.9in/608mm(W), 25in/635mm(D)
• Nameplate : Standard
• Standard kVA : 51
• 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 : 803423052294
• Weight : 440
• Certification : CSA, UL

Documentation and Resources

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