Eaton N48M28F7521OSLS47 Nonlinear Transformer - UL Listed
Part Number: N48M28F7521OSLS47
Quick Summary
Eaton N48M28F7521OSLS47 is a K-Factor nonlinear ventilated transformer designed for power distribution applications. This unit helps engineers manage harmonics and thermal loads in demanding industrial environments, reducing overheating and extending equipment life. UL Listed certification underscores safety and reliability for critical plant and panel installations. While global deployments often seek CE marking and IP-rated enclosures, this model delivers a robust foundation for compliant, scalable power infrastructure. For manufacturers and data-center projects, the combination of 75 kVA capacity, aluminum windings, and a ventilated design translates to predictable performance, easier maintenance, and a solid return on investment through improved reliability and reduced downtime.
Product Information
Extended Description
N48M28F7521OSLS47 Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, 2016 XFMR, K13 480-208Y/120 Aluminum windings
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7521OSLS47
UPC
786689665470
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1.1 lb
Certifications
UL Listed
Kva Rating
75 kVA
Feature → Business Impact → Application: The K-Factor nonlinear design optimizes harmonic handling, reducing thermal stress and improving efficiency in nonlinear load profiles; this translates to longer transformer life and lower cooling costs when deployed in mixed-load panel groups. Application: data centers and manufacturing lines where harmonic currents are common. Feature → Business Impact → Application: Aluminum windings provide good conductivity with competitive weight and cost, enabling reliable operation in standard service conditions; this supports simplified sourcing and lower lifecycle costs in mid-size installations. Application: low- and mid-voltage distribution networks with space-constrained enclosures. Feature → Business Impact → Application: 480-208Y/120 voltage configuration enables direct compatibility with common building systems and MCCs; this reduces installation time and minimizes unnecessary transformer adapters. Application: plant-wide power distribution and panel integration. Feature → Business Impact → Application: UL Listed certification communicates safety and compliance to procurement and regulatory teams, accelerating approvals and reducing engineering review cycles. Application: facilities undergoing audits or regulatory review. Feature → Business Impact → Application: Ventilated enclosure design enhances cooling at the 75 kVA rating, enabling sustained performance under peak loads and improving reliability. Application: continuous manufacturing and mission-critical power feeds. Feature → Business Impact → Application: 75 kVA rating provides ample headroom for non-linear loads while maintaining compact footprint; this supports scalable expansion without replacing transformers. Application: expansion projects and peak-load scenarios. Inspections and preventive maintenance benefit from consistent performance metrics and documented specifications, aiding reliability programs and total cost of ownership assessments.
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FAQs
When installing the Eaton N48M28F7521OSLS47, ensure adequate space for ventilation, proper mounting to a rigid base, and clearance for cooling paths. Connects to 480 V primary and 208Y/120 V secondary circuits with aluminum windings. Use UL Listed wiring methods and follow local electrical codes to ensure safe, compliant operation and straightforward commissioning.
The 75 kVA rating supports substantial non-linear load demand while the K-Factor nonlinear design mitigates harmonic currents, reducing overheating and improving efficiency. The ventilated construction aids cooling under peak loads, helping maintain the transformer’s performance curve and extending service life in continuous operation environments.
Yes. The N48M28F7521OSLS47 is compatible with Eaton’s Transformer Flex Center ecosystem, enabling streamlined configuration, maintenance planning, and spare-parts alignment. This compatibility simplifies lifecycle management and supports centralized monitoring, especially for multi-transformer installations across facilities.
This model is UL Listed, providing recognized safety and electrical compliance in North American markets. For global deployments, plan for CE marking and appropriate IP enclosure ratings where required by local regulations and environmental conditions to ensure full regulatory alignment.
The transformer delivers measurable value through improved harmonic performance, safer operation with UL certification, and reduced cooling costs thanks to effective ventilation. In installations with nonlinear loads, expect lower maintenance frequency, extended asset life, and a faster path to regulatory approvals, contributing to lower total cost of ownership.