Eaton N48M28F49CUEELS45 Transformer - UL Listed
Part Number: N48M28F49CUEELS45
Quick Summary
N48M28F49CUEELS45 is a K-Factor nonlinear ventilated transformer for 3-phase power distribution in industrial facilities. Engineers face voltage fluctuations and noise when expanding capacity in space-constrained plants. UL Listed and NEMA TP-1 compliant certifications, plus electrostatic shielding, support reliability and compliance. This model delivers scalable power with copper windings and a low-noise profile, helping reduce total cost of ownership for manufacturers and integrators. Designed for 150 kVA class applications, it balances robust cooling with compact footprint to support retrofits and new builds. With 60 Hz operation, 480 V primary and 208Y/120 V secondary, it aligns with standard industrial electrical schemas and maintenance practices.
Product Information
Extended Description
N48M28F49CUEELS45 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, 115°C rise, 150 kVA, Copper windings, EE, LS45
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F49CUEELS45
UPC
786680048722
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
2235 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
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °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 - N48M28F49CUEELS45
Feature: K-Factor nonlinear ventilation minimizes heating from harmonic currents. Business Impact: Reduces copper losses and thermal stress, extending transformer life and lowering maintenance costs. Application: Ideal for facilities with VFDs and nonlinear loads, such as metal processing lines or data centers. Feature: Copper windings and a 115°C rise rating provide durability under continuous heavy loading. Business Impact: Improves reliability and service life in high-demand environments, lowering planned downtime. Application: Continuous operation in manufacturing lines and process plants. Feature: Tap changer with 2 taps at +2.5% and 4 taps at -2.5% maintains voltage under input fluctuation. Business Impact: Enhances voltage regulation for critical equipment and reduces nuisance outages. Application: Long feeders and sites with erratic supply. Feature: 150 kVA rating with 480 V primary and 208Y/120 V secondary supports essential step-down in production lines. Business Impact: Enables scalable power distribution without oversizing infrastructure. Application: Industrial automation panels, distribution substations, and equipment rooms. Feature: NEMA TP-1 efficiency, low sound 45 dB, and UL Listed certification address compliance and quiet operation. Business Impact: Meets regulatory benchmarks while minimizing noise in installed spaces. Application: Outdoor substations, retrofit projects, and noise-sensitive facilities. Feature: Weathershield WS34 and electrostatic shielding protect against environmental and EMI stresses. Business Impact: Extends outdoor service life and maintains signal integrity for nearby controls. Application: Exterior installations and shared campus facilities.
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FAQs
Install with adequate clearance around the frame 918A, plan for ventilated cooling, and secure the 2235 lb unit on a reinforced base. Ensure accessibility for routine inspection and taps access at +2.5% and -2.5%. For outdoor use, leverage Weathershield WS34 housing and ensure proper conduit routing to minimize EMI and vibration. Verify UL Listed and NEMA TP-1 guidelines during commissioning.
The transformer provides taps with 2 at +2.5% and 4 at -2.5%, allowing fine-tuned regulation between 480 V primary and 208Y/120 V secondary. This accommodates feeder voltage swings and motor drive transients, maintaining stable output for sensitive equipment and preventing undervoltage or overvoltage conditions in automation panels.
Yes. It is UL Listed and NEMA TP-1 Compliant, underscoring safety, energy efficiency, and performance in standard industrial environments. The electrostatic shielding adds EMI protection, and the low sound profile (45 dB) supports operations near occupied spaces, aligning with typical facility compliance requirements.
Ideal for 3-phase power distribution in manufacturing lines, process plants, and data centers requiring reliable 150 kVA capacity. It suits spaces with fluctuating input voltages, heavy motor loads, and environments needing outdoor-ready protection via WS34, copper windings for durability, and a compact footprint for retrofit projects.
Copper windings and a robust 115°C rise rating support long life under continuous duty, reducing maintenance frequency. UL Listed/NEMA TP-1 efficiency underpins compliance and lower operating costs. The unit’s low noise and effective heat management contribute to longer intervals between service events and improved overall equipment availability.