Eaton N48D28B22CUEE Transformer - K-Factor Nonlinear
Part Number: N48D28B22CUEE
Quick Summary
The N48D28B22CUEE transformer provides reliable voltage conditioning for 3-phase power distribution in industrial facilities. Many sites struggle with harmonic currents, voltage swings, and transformer overheating that disrupt production and shorten equipment life. Key performance features include KT-13 K-Factor nonlinear behavior, an 80°C rise rating, and copper windings to support continuous operation. Note that official certifications are not listed by Eaton; the design emphasizes robust performance and regulatory alignment through standard power distribution practices. This solution aligns with power management and distribution strategies, delivering efficiency, reliability, and straightforward integration with existing Eaton catalog offerings.
Product Information
Extended Description
N48D28B22CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /2 at -2.5%, SV 208Y/120V, 80°C rise, 225 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28B22CUEE
UPC
786680135064
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Certifications
Contact Manufacturer
Volt ampere rating
225 kVA
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48D28B22CUEE
Feature KT-13 K-Factor nonlinear ventilated design → Business Impact Reduces overheating and voltage distortion under nonlinear loading, increasing uptime and extending transformer life. Application Ideal for manufacturing floors and equipment with variable harmonic demand such as VFDs and drives. The design also helps prevent nuisance tripping and unplanned maintenance. Feature 225 kVA rating with 480 V primary and 208Y/120 V secondary → Business Impact Supports mid-size facility loads with a single turn-key solution, reducing the need for multiple smaller units and simplifying panel design. Application Suitable for machine rooms and distribution panels where standard 480 V feeds convert to downstream 208Y/120 V distribution with minimal losses. Feature ±2.5% taps → Business Impact Maintains voltage regulation amid feeder length variations and supply fluctuation, reducing equipment stress and improving control performance. Application Useful in plants with long feeders or fluctuating incoming voltage, enabling stable PLCs and drives. Feature Copper windings and 80°C rise → Business Impact Copper windings deliver lower resistive losses and robust thermal performance, boosting efficiency and life expectancy. Application Beneficial in hot manufacturing environments and continuous-duty applications where heat buildup is a concern. Feature Three-phase ventilated design with documented cooling → Business Impact Enhanced heat dissipation supports higher continuous loading and reliable operation in demanding environments. Application Especially relevant for automation panels, data center-adjacent rooms, and industrial plants with dense equipment. Feature Compatibility with Eaton catalogs and standard installation practices → Business Impact Streamlined procurement and faster implementation, with easier sourcing of matching accessories and spares. Application Reduces engineering time for retrofit projects and panel modernization while ensuring integration harmony with existing Eaton components.
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FAQs
For installation, ensure proper three-phase mounting and adequate clearance for ventilation, with correct connection of the 480 V primary and 208Y/120 V secondary circuits. Plan for the ±2.5% taps to allow voltage adjustment at the point of use, and verify labeling and protective devices are sized for a 225 kVA load. Confirm compatibility with existing Eaton panels and busways to simplify wiring and commissioning.
The transformer uses KT-13 K-Factor nonlinear behavior and copper windings to mitigate harmonic heating and voltage distortion. This reduces temperature rise in the windings, lowers the risk of winding failures, and helps maintain voltage quality on sensitive loads like drives and switches. It is well-suited for facilities with VFDs, CNC machines, and other nonlinear load sources.
Yes, the N48D28B22CUEE is designed for industrial power distribution with 225 kVA capacity and 480 V to 208Y/120 V conversion. Its voltage taps and robust copper-winding construction support stable voltage delivery to critical IT and manufacturing equipment. It is particularly advantageous where harmonic-rich loads and reliability requirements drive up uptime and efficiency.
Official certifications for this model are not listed by the manufacturer in the provided data. Organizations requiring CE, UL, or other regulatory certifications should contact Eaton directly to confirm current certifications and documentation for your region and application. This ensures compliance with your specific safety and building standards.
The N48D28B22CUEE leverages copper windings and efficient design to minimize losses, supporting lower operating costs over its life. The 80°C rise rating and KT-13 K-Factor design reduce thermal stress under harmonic loads, which translates to longer service life and lower maintenance intervals. The ±2.5% taps also reduce voltage-related downtime, contributing to improved production uptime and asset utilization.