DM051JJ - Hammond Power Solutions 51 kVA 3-Phase Drive Isolation Transformer 460V Delta Primary 460Y/266V Secondary NEMA 3R

DM051JJ

DM051JJ is a 51 kVA three-phase drive isolation transformer designed for industrial applications requiring reliable power isolation and voltage transformation. This Hammond Power Solutions unit features a 460V Delta primary and a 460Y/266V secondary, making it suitable for a wide range of motor drive and control systems. The transformer is housed in a NEMA 3R-rated enclosure for indoor or outdoor use, providing protection against environmental factors. The DM051JJ is engineered for floor, wall, or ceiling mounting, offering flexible installation options. It includes a coil-mounted thermal warning switch for added safety and is built to meet UL and CSA standards. The transformer is ideal for use in industrial environments where robust performance and durability are essential.

• Part Number: DM051JJ
• Manufacturer: Hammond Power Solutions
• Power Rating: 51 kVA
• Phase: 3-Phase
• Primary Voltage: 460V Delta
• Secondary Voltage: 460Y/266V
• Frequency: 60 Hz
• Enclosure Type: NEMA 3R (Indoor/Outdoor)
• Mounting: Floor, Wall, or Ceiling
• Standards: UL, CSA
• Thermal Warning Switch: Included
• Country of Origin: Sri Lanka

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Specifications

• Part Number: DM051JJ
• 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 : 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 : 803423003296
• GTIN : 00803423003296
• Weight : 415
• Certification : CSA, UL

Documentation and Resources

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