Eaton N48M28T1221CUI3 Transformer - UL Listed K13
Part Number: N48M28T1221CUI3
Quick Summary
The K-Factor nonlinear ventilated transformer delivers efficient, reliable power for three-phase industrial power distribution. Many plants struggle with heat, energy waste, and compliance costs in transformer installations. This Eaton unit meets DOE2016 Efficient compliance and UL Listed safety certification, supporting regulatory alignment in regulated facilities. As a compact, robust three-phase solution, it reduces cooling requirements and total cost of ownership while enabling scalable electrical distribution.
Product Information
Extended Description
N48M28T1221CUI3 Eaton: Eaton NextGen K-Factor, DOE2016 CU 3in IR wndw, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 150C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T1221CUI3
UPC
786689671099
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1200 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Kva Rating
112.50 kVA
Volt ampere rating
112.5KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
K13
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design improves efficiency under non-linear loads, reducing heat generation and cooling costs while enhancing reliability in manufacturing lines and data centers. This supports measurable energy savings and extended equipment life in high-harmonic environments. Feature → Business Impact → Application: 112.50 kVA three-phase rating with 480 V primary and 208Y/120 V secondary provides ample headroom for mid-sized distribution panels, enabling smoother power distribution and easier downstream protection coordination. Application: motor drives, PLC bundles, and load centers in industrial plants. Feature → Business Impact → Application: DOE2016 Efficient compliance and UL Listed certification reduce regulatory risk and simplify audits, improving project timelines and safety assurance in regulated facilities. Application: facilities with strict energy standards and maintenance programs. Feature → Business Impact → Application: Wiring connection 283B and a 31.5 in length by 51 in height footprint simplify retrofit and new-installation planning, saving space in electrical rooms and improving installation speed. Application: retrofit projects and greenfield builds. Feature → Business Impact → Application: K13 special features deliver optimized performance for nonlinear loads, helping maintain voltage regulation and reducing thermal stress on windings. Application: data centers and machine shops with high harmonic content. Feature → Business Impact → Application: 1200 lb weight and 34.5 in width enable sturdy mounting in dedicated transformer pads or mezzanine racks, aligning with common industrial layouts and enabling safer, easier handling. Application: facility upgrade projects and OEM integrations.
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FAQs
Yes. This three-phase transformer features a 480 V primary and 208Y/120 V secondary, making it suitable for retrofit or new installations in standard industrial distribution. Its 283B wiring connection supports common field terminations, and the UL Listed certification simplifies integration with existing safety controls and enclosure types.
The K-Factor nonlinear ventilated design prioritizes reduced hot spots and improved heat dissipation when supplying nonlinear loads, delivering energy efficiency aligned with DOE2016 efficiency standards. Expect lower cooling requirements, enhanced winding life, and more stable voltage regulation in harmonically rich environments, such as VFDs and rectifier-heavy processes.
Ideal for mid-size industrial facilities, machine shops, data centers, and process industries needing reliable 480 V to 208Y/120 V conversion. Its 112.5 kVA rating supports multiple downstream loads, while K13 and DOE2016 compliance make it suitable for plants with strict efficiency and safety requirements.
It is UL Listed and complies with DOE2016 Efficient standards, providing regulatory assurance for energy efficiency and safety. Documentation includes Eaton's specification sheet for N48M28T1221CUI3 and related compliance data, which helps support audits, procurement, and engineering reviews.
Maintenance is typically focused on enclosure integrity, venting performance, and insulation condition. Benefits include reduced cooling load due to the ventilated K-Factor design, lower energy losses from higher efficiency, and extended service life under harmonic loading—contributing to a lower total cost of ownership over the device lifecycle.