TE3A0020NNM - Hammond Power Solutions 20 kVA 3-Phase Transformer 575D-575Y/332V Copper 60Hz NEMA 3R

TE3A0020NNM

TE3A0020NNM is a 20 kVA three-phase transformer from Hammond Power Solutions designed for reliable power distribution with copper windings and NEMA 3R enclosure.

This transformer features a primary voltage of 575 volts delta and a secondary voltage of 575 volts wye with a 332 volts output, operating at 60 Hz frequency. It is constructed with copper windings for enhanced conductivity and durability, suitable for general purpose and drive isolation applications. The unit is housed in a NEMA 3R rated enclosure, providing protection against rain and external ice formation, making it suitable for outdoor or harsh environments. It supports both floor and wall mounting options for installation flexibility.

• Power Rating: 20 kVA
• Phase: 3-Phase
• Primary Voltage: 575V Delta
• Secondary Voltage: 575V Wye / 332V
• Frequency: 60 Hz
• Winding Material: Copper
• Enclosure: NEMA 3R
• Mounting Type: Floor or Wall Mount
• Application: Drive Isolation / General Purpose

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Specifications

• Part Number: TE3A0020NNM
• 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) : 2x2.5%
• Primary FCBN (NPL) : 2x2.5%
• Secondary Voltage : 575Y/332
• Secondary Connection : Wye-N
• Temperature Rise : 150°C
• Insulation Class : 220°C
• EKVA : 20
• Efficiency Regulation : NRCAN 2019 (Canada)
• Seismic Compliance : IBC 2018 (Sds=2.0, z/h=0, lp=1.5)
• Sound Level : 45 dBA (NEMA ST-20)
• Impedance (Std) : 2.5% - 6.5%
• Secondary Termination (NPL) : Mechanical Lugs
• Enclosure Type : Type 3R / IP24
• Enclosure Finish : ANSI 61 Grey, UL50
• Enclosure PN (NPL) : DH1-N3R
• Enclosure Dimensions : 21.88in/556mm(H), 21.5in/547mm(W), 20.12in/512mm(D)
• Electrostatic Shield : Single
• Nameplate : Standard
• Standard kVA : 20
• 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 : 803423145439
• Weight : 230
• Certification : CSA, UL

Documentation and Resources

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