Eaton N48M28T75EELS47 K-Factor transformer - UL Listed
Part Number: N48M28T75EELS47
Quick Summary
K-Factor nonlinear ventilated transformer delivers reliable power conditioning for commercial and industrial distribution. Varying loads and harmonics can stress electrical systems, causing efficiency losses and overheating. UL Listed and NEMA TP-1 compliant ensure safety and reliability in demanding environments. With 75 kVA, 480 V primary, and 208Y/120 V secondary, it enables scalable, space-efficient installations. Low sound 47 dB, aluminum coil construction, and WS19 weather shield deliver durability and quiet operation in harsh facilities. Designed for 60 Hz three-phase service with voltage taps for ±2.5% regulation. Aluminum winding, 150 °C rise insulation, and a 75 kVA rating support reliable power for critical loads.
Product Information
Extended Description
N48M28T75EELS47 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, 75 kVA, EE, LS, 47
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75EELS47
UPC
786680045493
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
775 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
Aluminum
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75EELS47
Feature: The K-Factor nonlinear design minimizes harmonic currents by providing tailored reactance for higher-order harmonics, reducing transformer heating, stray losses, and overall thermal strain. Business Impact: This translates into improved efficiency, cooler operation, longer insulation life, and lower cooling energy requirements across extended operating cycles. Application: It is particularly well suited to data centers, automated manufacturing lines with heavy power electronics, and industrial facilities experiencing harmonic-rich loads. Feature: Ventilated construction combined with a controlled airflow path supports effective heat management even in dense electrical rooms. Business Impact: The result is higher thermal margins, reduced maintenance intervals, and consistent performance under peak demand scenarios. Application: Ideal for compact enclosures, mezzanine panels, rooftop cabinets, and outdoor installations where space and noise management matter. Feature: Voltage taps of 2 at +2.5% and 4 at -2.5% enable precise regulation to accommodate line voltage fluctuations. Business Impact: Maintaining stable secondary voltages minimizes equipment upset, improves control accuracy, and lowers nuisance tripping in critical processes. Application: Useful in main distribution panels, process control loops, and building automation systems requiring tight voltage control. Feature: Certifications and rugged construction include UL Listed status, NEMA TP-1 compliance, aluminum windings, and WS19 weather shielding for outdoor readiness. Business Impact: Regulatory conformity reduces procurement risk, while protective features extend service life in hostile environments and reduce total ownership cost. Application: Particularly advantageous in industrial campuses and outdoor installations with exposure to temperature swings and moisture. Feature: The 75 kVA rating supports scalable three-phase power delivery with a 480 V primary and 208Y/120 V secondary across 60 Hz systems. Business Impact: Delivers reliable performance for critical loads while fitting tight footprints and meeting modern automation plant demands. Application: Data centers, machine tooling, process control, and large motor drives in manufacturing facilities.
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FAQs
Plan for the unit's 48.56 in height, 28.22 in width, and 23.42 in depth footprint, and account for a 775 lb weight. Ensure adequate clearance for ventilation and access to taps (+2.5% and -2.5%). Verify UL Listed and NEMA TP-1 compliance in your environment. Use appropriate mounting hardware for the 916A frame and secure wiring with aluminum windings to maximize performance.
The K-Factor nonlinear design targets higher-order harmonics, reducing stray heating and improving overall efficiency. This results in cooler operation, longer insulation life, and lower cooling energy needs, especially in data centers and drives-heavy automation where harmonic currents are prevalent.
Yes. With 75 kVA, 480 V to 208Y/120 V, 60 Hz three-phase operation, and quiet 47 dB performance, it accommodates critical loads while fitting compact spaces. Features like voltage taps and electrostatic shielding enhance reliability and control in data centers, machine tool lines, and automation systems.
The N48M28T75EELS47 is UL Listed and NEMA TP-1 compliant, with an aluminum coil and WS19 weather shield for outdoor readiness. These certifications streamline procurement and ensure regulatory compliance for industrial and outdoor installations.
The unit’s robust build, 150 °C rise insulation, and 200 °C insulation system promote longer service life with fewer outages. The combination of high efficiency, reduced heat, and lower maintenance intervals translates to a favorable total cost of ownership and faster return on investment for critical power applications.