Eaton N48M28T12CUEELS45 K-Factor nonlinear transformer UL
Part Number: N48M28T12CUEELS45
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is a three-phase power conditioner designed for industrial facilities and data centers. It delivers reliable voltage regulation while supporting scalable loads in harsh environments. UL Listed and NEMA TP-1 compliant, with a 150 °C rise insulation system and copper windings, this unit prioritizes durability and safety. The 112.5 kVA rating paired with a 480 V primary and 208Y/120 V secondary enables seamless integration into standard plant power architectures. By combining precise tap changes with low noise operation, it helps minimize downtime and maintenance costs. For procurement teams, it offers predictable performance, long-term reliability, and clear compliance alignment with industrial standards.
Product Information
Extended Description
N48M28T12CUEELS45 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, 112.5 kVA, Copper windings, EE, LS45
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T12CUEELS45
UPC
786680061271
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1266 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
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
150 °C rise
Modification 1
Low sound 45 dB
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T12CUEELS45
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The K-Factor nonlinear design mitigates harmonics in motors and drives, reducing overheating and extending equipment life, which translates to lower maintenance costs and improved uptime in manufacturing lines. This translates to more consistent production cycles and fewer unplanned outages in critical facilities. Feature → Copper windings deliver higher conductivity and better thermal performance, resulting in lower I²R losses and improved efficiency across load profiles; application spans power distribution panels, switchgear, and MCCs where energy cost containment matters. Feature → 2 at +2.5% / 4 at -2.5% taps provide voltage flexibility; business impact is tighter regulation under varying loading, enabling precise motor control and protection in dynamic plant environments; ideal for retrofit projects or expanding lines. Feature → 480 V primary and 208Y/120 V secondary compatibility supports standard industrial distribution schemes, reducing integration risk and shortening commissioning times in new builds or expansions. Feature → 112.5 kVA three-phase rating combined with low sound 45 dB and NEMA TP-1/NISUL compliance minimizes acoustical impact and regulatory concerns, supporting installation near workspaces and control rooms. Feature → Electrostatic shielding and WS19 weather shield compatibility extend usable life in outdoor or harsh environments, reducing enclosure requirements and protecting critical assets in outdoor substations and outdoor transformer applications. Feature → Copper coil construction and robust frame (916A) enhance mechanical durability, facilitating longer service intervals and easier maintenance during routine inspections.
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FAQs
For installation in a 480 V three-phase system, ensure proper enclosure rating and clearances per NEMA TP-1 guidance. Verify available space for the 23.42 in depth, 28.22 in width, and 48.56 in height frame, and confirm tap connections of +2.5% and -2.5% are accessible. Use copper windings with correct copper conductors sized for anticipated full-load current to maintain efficiency and reduce heating.
The unit is rated 112.5 kVA, three-phase, with a 480 V primary and 208Y/120 V secondary, operating at 60 Hz. It includes two +2.5% taps and four -2.5% taps to adjust voltage under load. Temperature rise is 150 °C with a 200 °C insulation system, and copper windings optimize conductivity and heat dissipation.
Yes. The N48M28T12CUEELS45 is UL Listed and NEMA TP-1 compliant, indicating adherence to safety, performance, and efficiency requirements for industrial control and power distribution applications. These certifications support compliant design verification, procurement confidence, and smoother quality audits in regulated environments.
Yes, it supports WS19 Weather Shield compatibility and electrostatic shielding, enabling outdoor or harsh environment installations with reduced enclosure needs. The 150 °C rise insulation and copper windings further enhance reliability under elevated ambient temperatures and variable loads typical of outdoor substations and outdoor MCCs.
Copper windings deliver lower resistance losses and improved thermal performance, reducing energy waste and cooling load. The K-Factor nonlinear design helps mitigate harmonic distortion, supporting longer asset life and fewer unplanned outages. Over time, this translates to lower maintenance costs, improved uptime, and better total cost of ownership for industrial power systems.