Eaton N48M28T75CUEES2 Transformer - UL Listed
Part Number: N48M28T75CUEES2
Quick Summary
The Eaton N48M28T75CUEES2 transformer delivers reliable three-phase power for 480V to 208Y/120V loads. In facilities with nonlinear loads, harmonic distortion and protection coordination challenges can drive downtime and maintenance costs. UL Listed, NEMA TP-1 compliant, and NEMA TP-1 efficient, this solution prioritizes safety, performance, and long-term reliability. Ideal for power distribution upgrades in data centers and manufacturing floors, its K-Factor nonlinear design supports safer operation and easier system integration, delivering measurable efficiency gains and reduced maintenance overhead.
Product Information
Extended Description
N48M28T75CUEES2 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, Copper windings, EE, S2
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75CUEES2
UPC
786680097225
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
823 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
Nema TP-1 efficient, 80 kA per phase SPD on secondary w/o indicator light
Coil material
Copper
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75CUEES2
Feature: K-Factor nonlinear ventilated design handles nonlinear harmonic currents more effectively. Business Impact: reduces harmonic distortion and voltage instability, lowering overheating and improving reliability for sensitive equipment. Application: data centers, metal fabrication lines, and industrial controls with non-linear loads. Feature: 75 kVA rating with 480 V primary and 208Y/120 V secondary provides seamless integration into standard plant power. Business Impact: enables scalable distribution and reduces voltage drop across feeds, improving machine uptime. Application: manufacturing lines and critical panel assemblies. Feature: Tap settings at plus 2.5 percent and minus 2.5 percent allow precise voltage regulation under varying load conditions. Business Impact: helps maintain tight voltage control for sensitive equipment, reducing nuisance tripping. Application: control panels and production lines with variable loads. Feature: Copper windings, frame 916A, and 60 Hz operation deliver robust temperature performance and durability. Business Impact: supports dependable operation in demanding environments with consistent efficiency. Application: industrial facilities and service entrances requiring long life. Feature: 150°C rise, 200°C insulation system, electrostatic shielding, WS19 weather shield, and 80 kA per-phase SPD on secondary provide high-temperature tolerance and outdoor installation capability. Business Impact: enhances reliability, surge protection, and EMI performance, reducing maintenance and retrofit needs. Application: outdoor substations and harsh factory environments.
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FAQs
For proper installation, mount the unit on a stable base with adequate clearance for ventilation, ensure room for the 82–85 inch height envelope, and connect to a 480 V three-phase supply with appropriate fusing. Verify tap settings (+2.5% / -2.5%) are configured to match site voltage, and respect clearance for the WS19 weather shield if installed outdoors.
K-Factor nonlinear design reduces harmonic currents and stabilizes voltage under irregular load conditions. This improves transformer efficiency, minimizes overheating, and lowers the risk of nuisance tripping in downstream equipment. It is particularly beneficial in data centers and machines with nonlinear power draws.
Yes. The N48M28T75CUEES2 is designed for nonlinear loads, offering harmonic control, robust protection, and reliable voltage regulation. With a 75 kVA rating, 480 V primary, 208Y/120 V secondary, and a copper-wind design, it aligns well with data center racks, critical manufacturing lines, and mixed-use plant power distributions.
The unit is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficient performance noted in catalog notes. It also includes features like electrostatic shielding and a weather shield (WS19) for versatile indoor or outdoor installation, supporting compliance in regulated facilities and enhanced protection against harmonics and surge events.
Maintenance focuses on routine visual inspections, insulation checks, and ensuring taps remain correctly set. The ROI benefits come from improved reliability in nonlinear load environments, reduced harmonic-related losses, and lower downtime due to enhanced protection and efficiency, particularly in data centers and high-demand manufacturing lines.