Eaton N48M28T12CU Transformer - UL Listed, K-13
Part Number: N48M28T12CU
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is designed to deliver reliable power isolation and voltage regulation for industrial facilities. This solution addresses common challenges like overheating, harmonic stress, and insulation wear that shorten equipment life and raise maintenance costs. UL Listed safety certification underpins its reliability, while the K-13 design and electrostatic shielding help manage harmonics and EMI. With copper windings and a 150 °C rise rating, it combines performance with long-term durability. For projects needing compatibility with Eaton’s transformer ecosystem, the 480 V primary and 208Y/120 V secondary, plus adjustable taps, simplify integration and reduce total cost of ownership.
Product Information
Extended Description
N48M28T12CU Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 480V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 112.5 kVA , Cu windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T12CU
UPC
786680105340
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1097 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
Coil material
Copper
Type
Ventilated transformer
Design
K-13
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T12CU
Feature → Business Impact → Application: K-Factor nonlinear design with electrostatic shielding improves harmonic mitigation, reducing transformer overheating and insulation stress, which lowers maintenance costs and extends service life. Application: plant floors with heavy nonlinear loads, such as drives and power converters, where reliability under harmonic current is critical. Feature → 112.5 kVA rating with three-phase 480 V primary and 208Y/120 V secondary enables scalable distribution, supporting mid-range automation panels and distribution centers while maintaining voltage integrity under load. Application: electrical rooms and motor control centers requiring consistent voltage regulation. Feature → Copper windings reduce resistive losses, improving efficiency and cooling requirements. Application: energy-conscious facilities seeking lower operating costs and cooler equipment enclosures. Feature → Tap changes: 2 at +2.5% FCAN and 4 at -2.5% FCBN provide fine voltage adjustment, improving regulation with changing load conditions. Application: systems with variable V/Hz demands or tight panel voltage budgets. Feature → Weathershield WS19 and electrostatic shield enhance outdoor readiness and EMI protection, expanding siting options and compliance. Application: outdoor substations or exposed distribution points with safety and reliability needs. Feature → 150 °C rise rating supports higher-temperature operation without compromising insulation, improving uptime in hot environments. Application: hot facilities or limited cooling scenarios. Feature → 60 Hz operation aligns with North American grids, ensuring compatibility with standard equipment and Eaton ecosystem support. Application: typical U.S. industrial facilities and automation environments.
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FAQs
Installers should account for the 1097 lb weight, and the footprint defined by 23.42 in length, 48.56 in height, and 28.22 in width. Use a suitable mounting arrangement compatible with frame 916A and ensure adequate clearance for ventilation. Leverage WS19 weather shielding for outdoor or semi outdoor locations and verify UL Listed compliance before energizing.
The K-13 nonlinear design is optimized to withstand harmonic currents by reducing peak overheating and insulation stress. Copper windings and the ventilated construction work together to maintain stable voltage regulation, improving reliability in systems with variable harmonic content such as drives and nonlinear power sources.
Yes. The transformer is equipped with WS19 weather shield and an electrostatic shield for EMI protection, enabling outdoor or harsh-environment installations while maintaining safety, performance, and compliance with UL Listed standards.
The unit carries UL Listed certification for safety compliance. Warranty is Eaton Selling Policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first, providing coverage for manufacturing defects or early failures.
Key specs include a 112.5 kVA rating, 480 V primary, 208Y/120 V secondary, 60 Hz operation, copper windings, and a 150 °C rise. It features taps at 2 at +2.5% FCAN and 4 at -2.5% FCBN for voltage adjustments, making it compatible with Eaton’s ecosystem and standard North American power systems.