DM051NJ - Hammond Power Solutions Drive Isolation Transformer 51 kVA 575-460V 3PH

DM051NJ

DM051NJ is a three-phase drive isolation transformer designed for industrial power distribution applications requiring voltage conversion and load isolation.

This 51 kVA transformer features a primary voltage of 575 VAC and secondary voltage of 460Y/266 VAC in a wye-neutral configuration. The unit is constructed with aluminum windings and utilizes a 220°C insulation class system with 150°C temperature rise. It operates at 60 Hz frequency and comes standard with an indoor/outdoor enclosure and coil-mounted thermal warning switch. The transformer includes lug/pad connection terminals for flexible installation options.

• Power Rating: 51 kVA
• Primary Voltage: 575 VAC
• Secondary Voltage: 460Y/266 VAC
• Phase: Three-phase
• Frequency: 60 Hz
• Connection Type: Wye-Neutral (Secondary)
• Winding Material: Aluminum
• Insulation Class: 220°C (150°C rise)
• Enclosure: Indoor/Outdoor
• Thermal Protection: Coil-mounted warning switch
• Certifications: UL, CSA
• Terminal Type: Lug/Pad Connection

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Specifications

• Part Number: DM051NJ
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 575D
• 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 : 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 : 803423003333
• GTIN : 00803423003333
• 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)