Eaton N48M28T75EEOS Transformer - K-Factor Nonlinear Ventilated
Part Number: N48M28T75EEOS
Quick Summary
Eaton N48M28T75EEOS transformer delivers reliable power conversion for industrial control and power distribution applications. Engineers often wrestle with harmonic distortion, startup surges, and space constraints that complicate power quality. Typical industry approvals such as CE, UL/CSA, and IP ratings are commonly sought to ensure compliance and field reliability; confirm specifics with Eaton for this model. By leveraging the K-Factor nonlinear ventilated design and adjustable taps, this transformer supports efficient power management, robust protection against harmonics, and streamlined installation for panel builders and system integrators.
Product Information
Extended Description
N48M28T75EEOS 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, OS
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T75EEOS
UPC
786680135330
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Certifications
Contact Manufacturer
Volt ampere rating
75 kVA
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T75EEOS
The N48M28T75EEOS uses a K-Factor nonlinear ventilated design to mitigate harmonic currents, delivering improved power quality and cooler operation under heavy load. This translates to fewer nuisance trips and longer equipment life in manufacturing lines, data centers, and automated warehouses where harmonic profiles are common. With a 75 kVA rating and a 480 V primary feeding a 208Y/120 V secondary, you get reliable step-down power for medium-sized control panels and machine centers, reducing the need for multiple transformers and simplifying inventory. Tap adjustments (+2.5% and -2.5%) enable voltage regulation to compensate for line loss and loading shifts, cutting downtime and ensuring precise control in critical processes. The 150°C rise with a 200°C insulation system supports operation in hot environments, improving resilience in non-climate-controlled spaces and high-ambient facilities. The ventilated EE-frame design aids heat dissipation and makes maintenance straightforward, supporting long-term reliability and easier retrofit within Eaton-compatible ecosystems. Compatibility with Eaton’s Transformer Flex Center and standard three-phase installations helps streamline commissioning, documentation, and asset management for engineers and procurement teams.
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FAQs
This is a three-phase transformer with a 480 V primary and 208Y/120 V secondary. Plan for proper clearances, ventilation, and mounting compatible with EE-frame enclosures. Verify ambient temperature, fault protection, and appropriate cable sizing to ensure safe, compliant installation and easy maintenance.
Key specs include a 75 kVA VA rating, 480 V primary, 208Y/120 V secondary, and taps at +2.5% with 4 taps at -2.5%. It features a K-Factor nonlinear ventilated design with a 150°C rise and 200°C insulation system, supporting stable operation under harmonic loads and elevated temperatures.
Yes. The K-Factor nonlinear ventilated design is specifically intended to improve power quality under harmonic conditions, reducing circulating heat and voltage distortion. It’s well suited for machine controls, drives, and other equipment that generate harmonics in industrial settings.
Certifications for this model are listed as ‘Contact Manufacturer’—verify with Eaton for the exact CE, UL/CSA, and regional approvals applicable to your project. Always obtain the latest compliance documentation before installation to meet local electrical codes and safety requirements.
The transformer supports standard three-phase distribution with a 480 V to 208Y/120 V step-down, plus taps for voltage regulation. Its EE-frame design facilitates heat management and straightforward replacement within Eaton-powered panels, and it aligns with Eaton’s transformer-related products and documentation, simplifying project coordination for engineers and procurement teams.