Eaton N48M28F12EELS45 Transformer - UL Listed
Part Number: N48M28F12EELS45
Quick Summary
The Eaton N48M28F12EELS45 nonlinear ventilated transformer is engineered to condition and distribute reliable power in demanding industrial environments. Engineers often grapple with noise, thermal rise, and efficiency losses when scaling power for large equipment lines; this unit addresses those pain points with a low-noise design and enhanced ventilation. Key certifications and ratings, including UL Listed safety certification, a NEMA 2 enclosure, and a 115°C rise rating, support safe and compliant installation in typical facility spaces. With a 112.5 kVA three-phase rating, 480 V primary, and 208Y/120 V secondary output, the transformer integrates smoothly with modern power distribution schemes, delivering reliability, efficiency, and long-term ROI.
Product Information
Extended Description
N48M28F12EELS45 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, 112.5 kVA, EE, LS, 45
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F12EELS45
UPC
786680102622
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
988 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.
Certifications
UL Listed
Catalog Notes
Low sound design equivalent to 45 dB, NEMA TP-1 efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
283B
Type
Nonlinear, ventilated transformer
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Special features
Electrostatically shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F12EELS45
Feature: K-Factor nonlinear design delivers robust performance under harmonic current conditions. This design minimizes neutral conductor heating and core losses, reducing maintenance costs and extending service life. Application: data centers, industrial automation racks, and high-demand manufacturing lines where harmonic distortion is common. Feature: 112.5 kVA three-phase rating with 480 V primary and 208Y/120 V secondary. Impact: ensures adequate VA delivery with standard distribution equipment, improving panel feed reliability and compatibility with existing infrastructure. Application: machine control panels, feeder buses, and process lines. Feature: voltage taps of +2.5% and -2.5% for voltage regulation. Impact: helps maintain downstream voltage within tolerance amid supply swings, reducing equipment upset and downtime. Application: facilities with variable input or sensitive instrumentation. Feature: aluminum coil and EE frame 916A design. Impact: provides durable electrical performance with good conductivity and favorable thermal characteristics, supporting longer service life in harsh environments. Application: rugged industrial installations and retrofit projects. Feature: NEMA 2 enclosure with low sound design (≈45 dB) and WS19 weather shield. Impact: suitable for indoor damp locations and quieter operation near workspaces, enhancing worker comfort and regulatory compliance. Application: plant rooms, electrical rooms, and areas adjacent to manufacturing lines. Feature: Electrostatic shielding and WEathershield compatibility. Impact: reduces EMI impact on nearby controls and systems, improving overall system reliability. Application: facilities with dense electrical noise or outdoor/semienvironment deployments. Feature: UL Listed certification and standard warranty coverage. Impact: risk reduction in procurement, easier compliance verification, and predictable maintenance planning. Application: capital projects, commissioning, and long-term maintenance budgeting.
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FAQs
For installation, plan for a NEMA 2 rated indoor environment and allow for proper ventilation around the transformer to maintain the 115 °C rise rating. Connect to 480 V three-phase input and 208Y/120 V output with wiring via 283B terminals. Ensure mounting aligns with the 916A frame and respect the unit’s footprint of roughly 23.42 in length, 28.22 in width, and 48.56 in height, with an approximate 988 lb weight.
The transformer uses a K-Factor nonlinear design that suppresses overheating from harmonic currents, improving reliability and extending service life. This is particularly beneficial in data centers, automated production lines, and other facilities with nonlinear loads, where power quality is critical for sensitive equipment and control systems.
Yes. The N48M28F12EELS45 is a three-phase 112.5 kVA transformer with a 480 V primary and 208Y/120 V secondary, designed for medium-scale power distribution in industrial environments. Its compact enclosure, robust cooling, and voltage-tap options support stable operation across typical manufacturing loads.
This unit is UL Listed, ensuring safety compliance for electrical equipment. It also features a NEMA 2 enclosure for indoor damp environments and a 115 °C rise rating, which demonstrates thermal performance under full-load conditions. Together these attributes support regulatory approval and reliable field operation.
The transformer carries a one-year warranty from installation or eighteen months from shipment, whichever comes first, providing protection against early failures. The ROI benefits come from improved efficiency (K-Factor design), reduced maintenance due to lower thermal stress, quieter operation, and compatibility with existing 480 V/208Y/120 V infrastructure, which can lower downtime and energy costs over its life cycle.