Eaton N48M28T75CUEE Transformer - UL Listed K‑Factor
Part Number: N48M28T75CUEE
Quick Summary
Eaton K-Factor nonlinear ventilated transformer conditions three-phase power for industrial equipment in manufacturing plants. Engineers struggle with voltage sags, harmonics, and heat in compact electrical rooms. This unit is UL Listed and NEMA TP-1 compliant, with a 150°C rise and 200°C insulation system. A 75 kVA copper-wound design supports reliable distribution, while its three-phase configuration fits standard electrical rooms and OEM supply chains. This translates to lower installation risk and predictable performance in mission-critical environments where uptime matters. Ideal for utilities and OEMs requiring robust protection, predictable performance, and easy installation in retrofit or new-build projects.
Product Information
Extended Description
N48M28T75CUEE 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, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75CUEE
UPC
786680034459
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
848 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
Coil material
Copper
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
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75CUEE
Feature: 75 kVA, three-phase KT-13 transformer with 480 V primary and 208Y/120 V secondary. Business Impact: Provides ample capacity for diverse loads while maintaining voltage stability, reducing equipment stress and downtime. Application: Suitable for machine tools, presses, and packaging lines in manufacturing facilities. Feature: Copper windings. Business Impact: Improves thermal efficiency and electrical conductivity, lowering I2R losses and cooling requirements. Application: Controls panels and distribution centers where high reliability is critical. Feature: K-Factor nonlinear ventilated design. Business Impact: Mitigates harmonic currents and manages thermal rise more effectively in systems with spectrum of loads. Application: Data-intensive or mixed-load industrial environments. Feature: Tap changer with +2.5% and -2.5% options. Business Impact: Enables on-site voltage regulation to accommodate fluctuating supply conditions. Application: Retrofit and new-install projects needing flexible voltage margins. Feature: 150°C rise with 200°C insulation system. Business Impact: Supports higher load margins and extended insulation life under harsh operation. Application: Heavy-duty industrial environments and elevated ambient temperatures. Feature: Weathershield WS19 compatibility and electrostatic shielding. Business Impact: Enhances outdoor resilience and electromagnetic compatibility, reducing maintenance. Application: Outdoor substations or exposed installation sites where weather and EMI are concerns.
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FAQs
This 75 kVA, three-phase transformer uses a 480 V primary and 208Y/120 V secondary with copper windings. Plan for a 23.42 in depth, 28.22 in width, and 48.56 in height enclosure, plus space for taps and cooling airflow. The unit weighs 848 lb and benefits from vented cooling and a robust frame (916A), with UL Listed and NEMA TP-1 compliance for safer installation.
The transformer uses a K-Factor nonlinear ventilated design to better accommodate harmonic content and voltage fluctuations. This reduces voltage sags and thermal stress on sensitive equipment, supporting cleaner power delivery to machine tools and control panels while maintaining regulatory compliance.
Yes. The unit is UL Listed and NEMA TP-1 compliant, with a 150°C rise and a 200°C insulation system. These certifications and ratings provide assurance for safety, reliability, and performance in industrial power distribution environments.
Key specs include 75 kVA rating, 480 V primary, 208Y/120 V secondary, 60 Hz frequency, copper windings, taps at +2.5% / -2.5%, frame 916A, weight 848 lb, and dimensions of 23.42 in L, 28.22 in W, 48.56 in H. It is UL Listed and NEMA TP-1 compliant with 150°C rise.
Best suited for manufacturing lines, packaging and processing equipment, machine tools, and control panels that require conditioned, reliable three-phase power. Its 75 kVA capacity, copper windings, and ventilated cooling support effective power distribution in retrofit or new-build projects with stringent uptime needs.