DM145NNC - Hammond Power Solutions 145kVA 575V Delta Drive Isolation Transformer

DM145NNC

DM145NNC is a three-phase drive isolation transformer rated 145kVA with 575V delta primary voltage, designed for industrial power distribution and variable speed drive applications. This general duty transformer features a 220 degree C insulation class with 150 degree C temperature rise, meeting North American efficiency standards and UL/CSA certification requirements. The unit is constructed with an aluminum wound core and coil assembly, encapsulated for durability in demanding industrial environments. Key Specifications

• Rating: 145 kVA three-phase
• Primary Voltage: 575V Delta
• Frequency: 60 Hz
• Insulation Class: 220 degree C (150 degree C rise)
• Impedance: Typically 3 to 6 percent
• Mounting Type: Floor mount
• Case Style: NH4
• Approximate Weight: 930 lbs
• Certifications: UL Listed, CSA Certified
• Short Circuit Withstand: Meets UL and CSA requirements

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Specifications

• Part Number: DM145NNC
• 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 : 575Y/332
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 145
• 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) : NH4-N3R
• Enclosure Dimensions : 41in/1042mm(H), 32in/813mm(W), 25.5in/648mm(D)
• Nameplate : Standard
• Standard kVA : 145
• 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 : 803423003968
• GTIN : 00803423003968
• Weight : 915
• Certification : CSA, UL

Documentation and Resources

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