DM175KK - Hammond Power Solutions 175kVA 480D-480Y/277 3-Phase Drive Isolation Transformer

DM175KK

DM175KK is a 175 kVA three-phase drive isolation transformer manufactured by Hammond Power Solutions, designed for AC/DC variable speed drive applications with 480 delta primary and 480Y/277 secondary voltage configuration. This aluminum-core transformer features a 220°C insulation class system with 150°C rise, delivering reliable performance in industrial drive isolation applications. The unit is floor-mounted and meets UL and CSA certification standards for short circuit withstand requirements.

• Capacity: 175 kVA
• Phase: 3-Phase
• Primary Voltage: 480 Delta
• Secondary Voltage: 480Y/277
• Secondary Connection: Wye-N
• Material: Aluminum
• Insulation Class: 220°C
• Frequency: 60 Hz
• Sound Level: 55 dBA (NEMA ST-20)
• Mounting Type: Floor
• Dimensions: 32 inches W x 29.5 inches D x 41 inches H
• Approximate Weight: 2900 lbs
• UL Listed: File E112313
• CSA Certified: File LR3902

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Specifications

• Part Number: DM175KK
• 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) : 1x5%
• Primary FCBN (NPL) : 1x5%
• Secondary Voltage : 480Y/277
• Secondary Connection : Wye-N
• Material : Aluminum
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 175
• 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) : 3.5% - 6.5%
• 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 : 175
• 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 : 803423052669
• Weight : 975
• Certification : CSA, UL

Documentation and Resources

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