Eaton N48M28T49LS45 Transformer - UL Listed K-Factor
Part Number: N48M28T49LS45
Quick Summary
Eaton K-Factor nonlinear ventilated transformer powers critical facility loads in data centers and industrial plants. Many engineers face noise, heat, and EMI challenges in dense electrical rooms. UL Listed safety certification supports compliance, while low-noise operation and shielded construction help installers meet environmental and regulatory requirements. Designed for three-phase, 150 kVA distribution with 480 V primary and 208Y/120 V secondary, it delivers scalable performance and reliability. With Aluminum windings and electrostatic shielding, the unit reduces EMI risks in control panels. Warrantied support and a low-sound profile help maintain uptime and regulatory compliance in sensitive facilities. Its 60 Hz cadence aligns with standard electrical infrastructures, simplifying procurement and installation.
Product Information
Extended Description
N48M28T49LS45 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, 150 kVA , Al windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T49LS45
UPC
786680025358
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1604 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 equal to 45 dB
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °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 - N48M28T49LS45
Feature K-Factor nonlinear ventilated design → Business Impact Improves harmonic handling and transformer longevity, reducing panel stress and hot spots; Application Suitable for environments with harmonic-rich loads such as data centers and manufacturing floors. Feature 150 kVA three-phase rating with 480 V primary and 208Y/120 V secondary plus taps (+2.5% FCAN, -2.5% FCBN) → Business Impact Enables precise voltage regulation and improved system stability under fluctuating supply; Application Facilitates flexible distribution in facilities with variable input voltages. Feature Low sound 45 dB and ventilated construction → Business Impact Supports quieter operation and compliant noise levels in rooms with strict sound requirements; Application Ideal for close-quarters electrical rooms and commercial-industrial installations. Feature Electrostatic shielding and aluminum windings → Business Impact Reduces EMI risk and improves winding durability in harsh environments; Application Enhances reliability for sensitive control circuits and harmonic-rich systems. Feature Weathershield WS34 and frame 918A → Business Impact Extends outdoor and rugged-use capability while maintaining a compact footprint; Application Suitable for semi-outdoor or harsh environments. Feature Temperature rise 150 °C and UL Listed certification → Business Impact Confirms safety margins and regulatory compliance, reducing risk during peak loads; Application Supports peak demand scenarios without compromising protection. Feature 2 at +2.5% and 4 at -2.5% taps → Business Impact Offers voltage adjustability to match site conditions, improving regulation and performance; Application Helpful during commissioning and when harmonics shift. Overall, the design supports compatibility with standard 480 V systems and 208Y/120 V secondary loads, delivering reliable power for mission-critical applications while simplifying procurement and installation decisions.
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FAQs
Yes. This is a three-phase transformer rated for 150 kVA with a 480 V primary and a 208Y/120 V secondary. It provides voltage regulation via taps (+2.5% FCAN and -2.5% FCBN) and is designed for 60 Hz systems, making it compatible with standard industrial power distributions. Installers should verify specified clearances and weight (approximately 1604 lb) for site constraints.
K-Factor nonlinear design refers to a transformer engineered to handle harmonic currents without overheating or distorting voltage. In practice, this N48M28T49LS45 supports harmonic-rich loads common in data centers and manufacturing lines, reducing thermal stress and extending winding life while maintaining voltage quality and regulatory compliance.
Absolutely. With electrostatic shielding, low noise (45 dB), and a robust 150 kVA capacity, the N48M28T49LS45 delivers reliable power with EMI mitigation and quiet operation. The WS34 weather shield and aluminum windings further improve durability in demanding facilities, making it a strong fit for data centers, control rooms, and process facilities.
The transformer is UL Listed, which supports electrical safety compliance in many jurisdictions. This designation, combined with the unit’s mechanical reliability and shielded construction, helps facility owners meet safety requirements while maintaining performance in harmonic environments. Always consult the latest Eaton datasheet for any regional compliance specifics.
Eaton provides a warranty under policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. This coverage supports asset protection during commissioning and early lifecycle phases, with access to Eaton support for maintenance and engineering inquiries to maximize uptime.