Eaton N48M48T75EE Transformer - 75 kVA K-Factor Nonlinear
Part Number: N48M48T75EE
Quick Summary
Eaton N48M48T75EE transformer delivers reliable power conditioning for 75 kVA loads in industrial facilities. This three-phase unit helps stabilize voltage and mitigate harmonics that can degrade motors and drives, reducing downtime and maintenance costs. Certification considerations are important; check the manufacturer’s documentation for CE, UL, or regional approvals to ensure compliance in your installation. The product combines a K-Factor nonlinear ventilated design with a 150°C rise rating and a 200°C insulation system for robust thermal performance. It also provides practical voltage regulation through taps at +2.5% and -2.5%, enabling site-level adjustments. Overall, this Eaton transformer supports efficient, compliant power distribution and lower lifecycle costs for demanding environments.
Product Information
Extended Description
N48M48T75EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 480 delta, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M48T75EE
UPC
786680135354
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
480 delta
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M48T75EE
The N48M48T75EE uses a K-Factor nonlinear ventilated design to mitigate harmonic currents common in modern industrial loads, reducing heat build-up and extending transformer life while improving overall system efficiency. This 75 kVA three-phase unit with 480 V primary and 480 delta secondary delivers scalable power for motor drives, presses, and assembly lines, helping plants tolerate voltage fluctuations without compromising performance. Voltage regulation is enhanced by taps at +2.5% and -2.5%, enabling site-specific adjustments that minimize equipment stress and improve drive reliability. The KT-13 configuration confirms robust three-phase operation in demanding environments, while the 150°C rise with a 200°C insulation system ensures resilience under high thermal loads and frequent start‑ups. Ventilated cooling supports safer installations and easier maintenance in compact switchgear spaces.
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FAQs
What to verify before install: ensure the 480 V primary connects to the correct three-phase supply and the 480 delta secondary matches your downstream distribution. Plan for adequate ventilation to support the ventilated design, and accommodate the +/- 2.5% tap locations for voltage regulation. Confirm mounting clearance, cable sizing, and appropriate protection devices. Use the Eaton datasheet and the Component Catalog to align with regional electrical codes and commissioning procedures.
K-Factor nonlinear design indicates enhanced tolerance to harmonic currents produced by modern variable-speed drives and non-linear loads. This results in improved voltage quality, reduced stray heating in windings, and longer insulation life. For plants with heavy drive usage or high harmonic content, the N48M48T75EE provides better thermal performance and system reliability compared with linear transformers of the same kVA rating.
Yes. The N48M48T75EE includes taps at +2.5% and -2.5% to aid site-level voltage regulation. This feature helps compensate for supply fluctuations, ensuring downstream equipment receives stable voltage and reducing nuisance tripping. Plan for proper testing during commissioning to set the optimal tap position for your load profile and ensure consistent performance over the operating life.
Certifications for the N48M48T75EE are not listed in the primary data. Eaton provides specification sheets with region-specific approvals, so you should consult the manufacturer or the datasheet to confirm CE, UL, or other regional certifications for your installation. Always verify current approvals with Eaton to ensure compliance in your target market.
Maintenance focuses on regular thermal checks, cooling system integrity, and inspection of connections and insulation condition. The K-Factor nonlinear design reduces overheating risk in harmonic-rich environments, contributing to lower risk of unplanned downtime and extended asset life. While initial investment may be higher than a basic transformer, the combination of improved reliability, energy management potential, and reduced maintenance costs delivers a favorable total cost of ownership over the asset lifecycle.