Eaton N48M28T22CUEELS45 Transformer - NEMA TP-1
Part Number: N48M28T22CUEELS45
Quick Summary
Eaton N48M28T22CUEELS45 is a nonlinear ventilated transformer designed for reliable three-phase power distribution in industrial facilities. Engineers often struggle with heat, noise, and regulatory compliance when deploying large power transformers, especially in tight electrical rooms. This unit is UL Listed, NEMA TP-1 compliant, and delivers low-noise performance at 45 dB, supporting safer operation and neighbor-friendly plant environments. With copper windings and a 225 kVA rating, plus taps for voltage variation, it integrates smoothly with automation panels and predictive maintenance programs. The 480 V primary and 208 Y/120 V secondary configuration supports scalable distribution for modern control systems.
Product Information
Extended Description
N48M28T22CUEELS45 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, 225 kVA, Copper windings, EE, LS45
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T22CUEELS45
UPC
786680080425
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
2065 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, Low sound equal to 45 dB
Coil material
Copper
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
225 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 45 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T22CUEELS45
Feature → K-Factor nonlinear ventilated design improves fault tolerance and reduces audible noise, delivering safer operation and higher uptime in demanding environments. Application → Automation panels, data centers, and manufacturing lines benefit from consistent voltage regulation and cooler operation. Feature → 225 kVA three-phase rating with a 480 V primary and 208 Y/120 V secondary enables direct integration with standard industrial power systems, reducing enclosure clutter and simplifying control wiring. Application → Industrial facilities pursuing protocol compliance and streamlined installation. Feature → Voltage taps: 2 at +2.5% and 4 at -2.5% support precise voltage regulation, minimizing equipment stress and extending service life. Application → Retrofit projects and new builds needing flexible supply. Feature → Copper windings and 150 °C rise with 200 °C insulation improve thermal tolerance and reliability under overload conditions. Application → High-demand sites with hot-wash environments and continuous operation. Feature → Electrostatic shielding and WS34 Weathershield enable EMI control and outdoor or harsh-environment use, reducing interference with nearby equipment. Application → Outdoor substations and switchgear enclosures. Feature → UL Listed and NEMA TP-1 compliance ensure safety and regulatory alignment, simplifying procurement and audits. Application → Regulated manufacturing and facilities with strict safety standards. Feature → Low sound 45 dB modification reduces audible impact in open factory floors, improving worker comfort and compliance with noise policies. Application → Plants near workspaces and noise-sensitive areas. Feature → 918A frame compatibility supports straightforward mounting with existing Eaton distribution systems, reducing installation time and cost. Application → Retrofit and new installations leveraging standard frame libraries.
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FAQs
Yes. The N48M28T22CUEELS45 is a 225 kVA three-phase transformer with a 480 V primary and 208 Y/120 V secondary, designed for standard industrial switchgear. It uses the 918A frame for straightforward mounting and features taps for voltage variation (+2.5% and -2.5%), plus a low-noise footprint. Ensure adequate enclosure space and proper ventilation during installation.
Key performance drivers include copper windings, a 60 Hz frequency rating, and voltage taps for regulation. The unit’s K-Factor nonlinear design helps manage harmonic content, reducing overheating risk. With a 150 °C rise (200 °C insulation) and precise taps, voltage regulation stays stable under varying load conditions, improving control system performance and reducing wear on connected equipment.
Ideal for automation, manufacturing lines, and data centers requiring reliable three-phase power with strict regulatory compliance. Outdoor or harsh environments benefit from the WS34 weather shield and electrostatic shielding for EMI control. The transformer’s versatility supports plant-wide distribution, panel upgrades, and critical control circuits with predictable performance.
The N48M28T22CUEELS45 is UL Listed and NEMA TP-1 compliant, ensuring safety and efficiency standards. It also features low-noise operation (45 dB), copper windings for reliability, and a 150 °C rise rating. These certifications simplify procurement, audits, and installation in regulated environments, while the shielded design reduces interference with nearby equipment.
With a 1-year warranty (or 18 months from shipment per Eaton policy) and durable copper windings, maintenance cycles are predictable and downtime minimized. The 2x +2.5% and 4x -2.5% taps help sustain voltage quality, reducing equipment stress and energy waste. Overall, the unit supports longer service life, easier upgrades, and a lower total cost of ownership for critical power infrastructure.