DM118KK - Hammond Power Solutions 118 kVA 3-Phase Drive Isolation Transformer 480V Delta to 480V Wye

DM118KK

DM118KK is a 3-phase, 118 kVA drive isolation transformer from Hammond Power Solutions designed for industrial power distribution applications.DM118KK features a dry-type construction with a 480V Delta primary and 480V Wye secondary voltage configuration. It is built with aluminum windings and a 220°C insulation system rated for 150°C temperature rise. The transformer is designed to withstand overcurrent conditions of 150% rated load for 60 seconds or 200% for 30 seconds. It comes in a Type 3R enclosure suitable for indoor/outdoor floor mounting and meets UL and CSA certification standards.

Key Specifications
• Power Rating: 118 kVA
• Phase: 3-Phase
• Primary Voltage: 480V Delta
• Secondary Voltage: 480V Wye
• Frequency: 60 Hz
• Insulation Class: 220°C (150°C rise)
• Conductor Material: Aluminum
• Enclosure Type: Type 3R, floor mounting
• Short Circuit Withstand: 150% rated load for 60 sec, 200% for 30 sec
• Certifications: UL Listed, CSA Certified

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Specifications

• Part Number: DM118KK
• 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 : 118
• 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) : NH3-N3R
• Enclosure Dimensions : 38in/966mm(H), 26in/661mm(W), 21in/534mm(D)
• Nameplate : Standard
• Standard kVA : 118
• 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 : 803423052546
• Weight : 725
• Certification : CSA, UL

Documentation and Resources

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