Eaton N48M28T7521CS Transformer - UL Listed 75 kVA
Part Number: N48M28T7521CS
Quick Summary
The Eaton N48M28T7521CS transformer delivers high-capacity, K-Factor nonlinear ventilation for 3-phase power distribution in industrial facilities. Engineers confront heat, noise, and space constraints as they scale critical loads, drive efficiency, and manage maintenance costs. This unit carries UL Listed safety certification and a robust K-Factor vented design to handle harmonic-rich environments. Leveraging a 75 kVA rating and 480-208Y/120 outputs, it aligns with industrial power distribution needs while offering energy-efficiency and reliable service. In practice, it reduces cooling loads, extends component life, and supports scalable expansions for manufacturing, data centers, and processes. This translates to lower lifecycle costs and faster ROI for plant modernization programs. Choose Eaton for proven reliability in power management and distribution across complex industrial environments.
Product Information
Extended Description
N48M28T7521CS Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, K13 Vented XFMR, 3-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T7521CS
UPC
786689664404
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
75 kVA
Phase
Three-phase
Feature: K-Factor nonlinear vented design. Business Impact: mitigates overheating and stray harmonics in systems with non-linear loads, extending transformer life and reducing cooling energy. Application: ideal for motor drives, welders, and power electronics in manufacturing lines where harmonic content is high. Paragraph continues with a second feature and its impact: Feature: 75 kVA rating in a rugged 3-phase package. Business Impact: supports scalable load distribution, minimizing the number of transformers needed and lowering capital expense. Application: utility-type distributions, machine centers, or MCCs in industrial plants. Paragraph continues: Feature: 480-208Y/120 secondary. Business Impact: provides convenient control voltages for automation and instrumentation, reducing wiring complexity. Application: plant automation, PLCs, relays, and control panels. Paragraph continues: Feature: UL Listed safety certification. Business Impact: simplifies code compliance, insurance, and installation approvals, accelerating project schedules. Application: any facility following NEC and local electrical codes. Paragraph continues: Feature: Ventilated enclosure with defined dimensions and weight. Business Impact: ensures proper ventilation and service access in constrained spaces; installation is more predictable with a 21.13 in depth, 24.88 in width, and 36.88 in height footprint; 430 lb weight impacts mounting and pad requirements. Paragraph continues: Feature: Documentation and install resources. Business Impact: access to Eaton's specification sheet and Flex Center video improves commissioning and training; Application: engineering design phase and field service.
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FAQs
Plan clearances that allow ample cooling and service access; provide at least 12 in around the unit and maintain unobstructed venting paths. With a weight of 430 lb, mount on a rigid pad or equipment rack with secure anchoring. Route control wiring through appropriate conduits, keeping separation from high-amperage power conductors per NEC guidelines.
The K-Factor nonlinear design targets non-linear harmonic currents to minimize heat buildup and insulation stress. This improves transformer life, reduces cooling energy, and maintains voltage stability under peak harmonic conditions. It is particularly beneficial for motor drives, power electronics, and other nonlinear loads common in modern manufacturing environments.
Yes. This 75 kVA, three-phase transformer features a primary 480 V input and a secondary 208Y/120 V output, making it well-suited for powering control panels, automation equipment, PLCs, and instrumentation. It supports clean, reliable voltage delivery for plant automation and helps consolidate power architecture in industrial environments.
The N48M28T7521CS is UL Listed, confirming safety and electrical compliance with applicable standards. Always verify local codes and NEC requirements during installation. The K-Factor ventilated design further supports reliability in harmonic-rich environments. For project-specific compliance and mounting guidance, consult Eaton’s specification sheet.
ROI improves through reduced cooling energy, extended transformer life, and lower maintenance needs from improved reliability. The 75 kVA rating supports scalable loads, reducing capital expenditure on multiple units. Maintenance focuses on inspecting vents, terminations, and load conditions, guided by Eaton documentation to ensure consistent performance and minimized downtime.