DM051JJC - Hammond Power Solutions 51 kVA 3-Phase 460V Drive Isolation Transformer NEMA 3R

DM051JJC

DM051JJC is a 51 kVA 3-phase drive isolation transformer designed for industrial power applications.DM051JJC features an open core design with a primary voltage of 460 VAC Delta and a secondary voltage of 460Y/266 VAC at 60 Hz frequency. It is rated for NEMA 3R environments and supports floor, wall, or ceiling mounting options. The transformer uses a 220°C insulation system with copper windings and is engineered to withstand overcurrent conditions of 150% rated load for 60 seconds or 200% for 30 seconds.

• Power rating: 51 kVA
• Phase: 3-phase
• Primary voltage: 460 VAC Delta
• Secondary voltage: 460Y/266 VAC
• Frequency: 60 Hz
• Insulation system: 220°C (150°C rise)
• Mounting type: Floor, wall, or ceiling mount
• Enclosure rating: NEMA 3R
• Core type: Open core
• Windings: Copper
• Overcurrent withstand: 150% rated load for 60 seconds, 200% for 30 seconds

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Specifications

• Part Number: DM051JJC
• 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
• 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 : 803423003302
• Weight : 430
• Certification : CSA, UL

Documentation and Resources

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