Eaton N48M28F75CUEELS47 Transformer - UL Listed
Part Number: N48M28F75CUEELS47
Quick Summary
The Eaton N48M28F75CUEELS47 is a K-Factor nonlinear ventilated transformer designed for reliable power conditioning in industrial control panels and distribution systems. This 75 kVA, three‑phase unit mitigates harmonics and heat, reducing voltage excursions that threaten sensitive equipment. For engineers facing tight electrical rooms, noisy installations, and fluctuating supply voltage, it offers predictable performance and easier compliance. The product is NEMA TP-1 compliant and UL Listed, with a 115°C rise margin and copper windings for efficiency and durability. Compatible with 480 V primary and 208Y/120 V secondary circuits, it supports straightforward integration with standard switchgear. The combination of rugged construction and accessible taps provides business value through reduced downtime and longer asset life.
Product Information
Extended Description
N48M28F75CUEELS47 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, 75 kVA, Copper windings, EE, LS47
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F75CUEELS47
UPC
786680046056
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
890 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 47 dB
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
115 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F75CUEELS47
Copper windings deliver high conductivity and thermal efficiency, minimizing I2R losses and reducing hotspot risk. This improves transformer efficiency and lowers cooling load, translating to lower energy costs and quieter operation. In control panels and switchgear racks, copper windings support stable voltage under varying load, enabling reliable feeds to PLCs and drives. K-Factor nonlinear design helps manage harmonic currents common in modern factories, improving voltage quality and safeguarding sensitive electronics. The business impact is lower equipment stress and fewer nuisance trips, especially in lines with variable speed drives and digital controls. Tap changer options—two taps at +2.5% and four taps at -2.5%—allow precise voltage adjustment to compensate for supply variations, reducing voltage mismatch in long feeders or remote subcircuits. Low sound performance, with 47 dB noted in catalog notes, minimizes acoustic footprint in production areas and dense electrical rooms. Weathershield WS19 and ventilated design enable versatile indoor/outdoor installations and better protection in challenging environments. Standards and warranty, including NEMA TP-1 compliance, UL Listed status, and a one-year (or 18-month from shipment) policy, provide risk reduction for procurement teams and maintenance planners.
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FAQs
Yes. This transformer is engineered for 480 V primary and 208Y/120 V secondary configurations in three-phase installations. With a 60 Hz rating and copper windings, it integrates with common low-voltage distribution assemblies and motor control centers, enabling straightforward spec-fitting in standard industrial environments.
The unit offers 2 taps at +2.5% and 4 taps at -2.5% to adjust output voltage and compensate for feeder voltage drop or supply fluctuations. Use the taps during commissioning or when long cable runs, transformer proximity to loads, or upstream voltage sag causes under- or over-voltage at critical equipment, ensuring stable performance.
The transformer measures approximately 23.42 in (depth) by 28.22 in (width) by 48.56 in (height) and weighs about 890 lb. With a 916A frame, installation requires a suitable foundation, rigging for lifting, and clearance for heat dissipation and service access. Planning around these dimensions helps ensure space efficiency and safe maintenance access.
The N48M28F75CUEELS47 is NEMA TP-1 compliant and UL Listed, providing recognized efficiency and safety benchmarks. It carries a 115 °C rise rating and comes with a one-year warranty (or 18 months from shipment). These certifications support regulatory compliance, risk mitigation, and warranty coverage in procurement decisions.
Benefits include improved energy efficiency from copper windings, reduced cooling loads, and lower acoustic impact due to low sound (47 dB). The multi-tap design supports voltage regulation, reducing voltage-related downtime. Combined with dependable protection, long service life, and a robust frame, these features translate to lower maintenance costs and longer asset life in automation-heavy facilities.