Eaton N48M28T45ZCUEE Transformer - UL Listed
Part Number: N48M28T45ZCUEE
Quick Summary
Eaton N48M28T45ZCUEE transformer provides K‑Factor nonlinear, ventilated power distribution for 480 V to 208Y/120 V three-phase loads. Engineers frequently grapple with heat buildup and voltage swings that disrupt sensitive equipment and drive maintenance costs. This unit carries UL Listed and NEMA TP-1 compliance, ensuring safety, efficiency, and easy integration with standard enclosures. Its 45 kVA rating, copper windings, and weather protection support reliable performance in industrial environments while enabling cost-effective, scalable power management. The transformer includes voltage taps for +/- adjustments, facilitating compatibility with fluctuating supply conditions and reducing downtime in demanding facilities.
Product Information
Extended Description
N48M28T45ZCUEE 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, 45 kVA, ZC, UE, E
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T45ZCUEE
UPC
786680050558
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
623 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, Easy install base
Coil material
Copper
Frame
914DZ
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T45ZCUEE
The K-Factor nonlinear, ventilated design minimizes harmonic stress and enhances thermal performance, delivering cooler operating temperatures under peak loads and extending transformer life. This translates to reduced maintenance intervals and higher reliability for motor drives and power supplies in demanding environments. With a 45 kVA three-phase rating and a 480 V primary feeding 208Y/120 V secondary, it supports mid-sized distribution panels in factories and data centers, while its compact 22 in depth and 29x39 in footprint ease installation within standard enclosures. Voltage taps—2 at +2.5% and 4 at -2.5%—provide precise regulation to mitigate line variance and protect sensitive equipment. A 150°C rise and 200°C insulation rating enable operation in hotter facilities without compromising life expectancy. Copper windings improve efficiency and EMI performance, and the WS39 weather shield supports outdoor or harsh environments. UL Listed and NEMA TP-1 compliance simplify procurement and regulatory alignment, while a robust frame (914DZ) and electrostatically shielded construction enhance reliability across industrial applications.
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FAQs
When installing the N48M28T45ZCUEE, ensure adequate clearance around the 914DZ frame and ventilation for the ventilated design. Plan for the WS39 weather shield if outdoor or harsh-environment installation is required, and verify mounting within standard enclosures to simplify integration with 480 V to 208Y/120 V systems.
The tap options allow +/- 2.5% regulation to compensate for line voltage fluctuations, keeping downstream equipment within tolerance, reducing nuisance tripping, and stabilizing sensitive controls and motors in facilities with variable supply.
Yes. The K-Factor nonlinear design is intended to mitigate harmonic currents common in facilities with nonlinear loads like drives and inverters. This helps maintain transformer temperature, improves reliability, and reduces downstream EMI concerns in power networks with mixed loads.
This unit is UL Listed and NEMA TP-1 compliant, ensuring safety, efficiency, and code-conformant performance. These certifications simplify procurement, support compliance with electrical installation standards, and help streamline acceptance testing in regulated environments.
The combination of copper windings, tight voltage regulation, and reliable insulation reduces maintenance trips, extends insulation life, and lowers downtime for critical loads. In mid-sized facilities, the 45 kVA rating supports scalable distribution while meeting efficiency targets and minimizing lifecycle costs.