Eaton N48M28F45LS40 Transformer - UL Listed K-Factor 45 kVA
Part Number: N48M28F45LS40
Quick Summary
Eaton N48M28F45LS40 is a K-Factor nonlinear ventilated transformer designed for robust three-phase power distribution in industrial settings. In busy facilities, harmonic currents, heat buildup, and noise can compromise reliability and drive up maintenance costs. This UL Listed unit blends a 45 kVA rating with a shielded design, aluminum windings, and low sound operation to meet harsh industrial requirements. By delivering stable secondary voltages (208Y/120 V) from a 480 V primary while tolerating voltage taps, it supports scalable automation projects and data-center-worthy control panels with predictable performance and simplified procurement.
Product Information
Extended Description
N48M28F45LS40 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, 115°C, 45 kVA , Al windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F45LS40
UPC
786680026058
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
480 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 40 dB
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
914D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 40 dB
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F45LS40
Feature: K-Factor nonlinear ventilated design with aluminum windings, 60 Hz operation, and a 45 kVA rating. Business Impact: Improves harmonic handling and thermal performance, reducing heat-related losses and extending component life in dense power circuits. Application: Ideal for industrial automation cabinets and power distribution frameworks where reliability and heat management matter. Feature → Business Impact → Application: Tap adjustments (2 at +2.5% FCAN, 4 at -2.5% FCBN) enable precise voltage regulation under fluctuating loads, ensuring stable 480 V to 208Y/120 V downstream equipment in manufacturing lines and data-center-like panels. Feature → Business Impact → Application: Frame 914D and shielded construction provide robust mechanical integrity and EMI reduction, supporting installations in equipment rooms with stringent EMI requirements. Feature → Business Impact → Application: Weathershield WS39 and 40 dB low-noise performance reduce enclosure cooling needs and noise-related concerns in shared facilities, enabling siting flexibility. Feature → Business Impact → Application: UL Listed certification and a clear Eaton warranty policy lower procurement risk and support compliance in regulated environments. Feature → Business Impact → Application: 115 °C rise and aluminum coil construction offer durable operation under elevated ambient conditions common in industrial plants, delivering consistent power to critical loads with minimized maintenance.
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FAQs
Plan for 22 in length, 29 in width, and 39 in height with a 480 V primary and 208Y/120 V secondary. Ensure ventilation around the 914D frame, allow space for optional WS39 Weathershield, and provide access to the 2 at +2.5% FCAN and 4 at -2.5% FCBN taps for voltage adjustments. The unit weighs about 480 lb, so secure mounting and rigging as needed, and consider the 40 dB quiet operation when locating near workspaces.
This transformer delivers 45 kVA at 60 Hz with a 480 V primary and 208Y/120 V secondary, using aluminum windings for efficient conductivity. The K-Factor nonlinearity helps manage harmonic currents, reducing stray losses and improving reliability under non-linear loads typical in drives and PLC systems. The 115 °C rise rating provides a robust thermal margin, supporting stable performance in demanding industrial environments.
Yes. Its three-phase, 45 kVA design with a shielded, ventilated construction minimizes EMI and temperature rise in dense panels. The 480 V to 208Y/120 V configuration supports common automation and UPS feeding schemes, while the 40 dB sound level helps keep noise within acceptable limits in shared spaces. The UL Listed certification further supports regulatory compliance for critical loads.
The N48M28F45LS40 is UL Listed, signaling conformance to recognized safety standards and facilitating regulatory approvals for industrial installations. This certification, along with Eaton’s warranty policy, reduces risk during procurement and simplifies commissioning in regulated environments such as manufacturing floors and service centers.
With a robust 45 kVA rating, low-noise operation, and shielded construction, this transformer reduces energy losses and EMI-related issues, contributing to lower maintenance and downtime. Aluminum windings offer durable performance, while a one-year warranty (18 months from shipment) under Eaton’s policy provides financial protection. The unit’s reliability supports longer service intervals and improved asset uptime in continuous production environments.