DM275KD - Hammond Power Solutions 275 kVA 480V Delta to 240V Aluminum Drive Isolation Transformer

DM275KD

DM275KD is a 275 kVA drive isolation transformer from Hammond Power Solutions designed for industrial power applications.

This transformer features a 3-phase configuration with a primary voltage of 480V Delta and a secondary voltage of 240V, utilizing aluminum windings. It is floor mountable and built to meet UL and CSA short circuit withstand requirements. The unit has a robust construction with a temperature rise rating of 150ºC and an insulation system rated at 220ºC. Dimensions are approximately 39.5 inches high, 51.5 inches wide, and 34 inches deep, with a weight of about 1500 lbs. It is part of the NJ1 series with SCD 9 frame style.

• Power rating: 275 kVA
• Primary voltage: 480V Delta
• Secondary voltage: 240V
• Phase: 3-phase
• Conductor material: Aluminum
• Mounting type: Floor mount
• Temperature rise: 150ºC typical
• Insulation system: 220ºC
• Certifications: UL and CSA approved
• Dimensions (H x W x D): 39.5 x 51.5 x 34 inches
• Weight: 1500 lbs
• Series/Frame: NJ1 / SCD 9

At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Specifications

• Part Number: DM275KD
• Manufacturer : Hammond Power Solutions
• Brand : Hammond Power Solutions
• Category : Transformer
• Phase : 3
• Enclosure Grade : Standard
• Duty : General Duty
• Frequency : 60Hz
• Primary Voltage : 480D
• Primary Connection : Delta
• Primary FCAN (NPL) : 2x2.5%
• Primary FCBN (NPL) : 2x2.5%
• Secondary Voltage : 240Y/139
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 275
• 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 : 55 dBA (NEMA ST-20)
• Impedance (Std) : 4% - 7%
• Secondary Termination (NPL) : Mounting Pads
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : NJ1-N3R
• Enclosure Dimensions : 51.5in/1309mm(H), 39.5in/1004mm(W), 34in/864mm(D)
• Nameplate : Standard
• Standard kVA : 275
• 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 : 803423004279
• Weight : 1500
• Certification : CSA, UL

Documentation and Resources

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