Eaton N48M28T7521LS50I4 Transformer for 3-Phase Power - K13
Part Number: N48M28T7521LS50I4
Quick Summary
Eaton K-Factor nonlinear ventilated transformer provides robust power distribution for three-phase industrial systems. Engineers face voltage stability challenges, overheating, and complex compliance when scaling power in mixed-load facilities. UL Listed certification ensures safety and regulatory compliance, while the K13 K-Factor design optimizes nonlinear-load performance under diverse loading profiles. This transformer supports reliable energy delivery and lower maintenance costs in automation, processing, and manufacturing applications.
Product Information
Extended Description
N48M28T7521LS50I4 Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, K13, Vented XFMR, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T7521LS50I4
UPC
786689664817
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1.1 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
75 kVA
Phase
Three-phase
Feature: K-Factor nonlinear design beefs up tolerance to harmonic currents without excessive heat buildup. Business Impact: reduces thermal stress on windings, extends insulation life, and lowers maintenance cycles in demanding production environments. Application: ideal for automation panels and drives where nonlinear loads are common. Feature: 75 kVA three-phase rating supports scalable power distribution across mid-size assemblies. Business Impact: enables consolidation of feeders, reduces the number of transformers required, and simplifies procurement. Application: control rooms, processing lines, and machine centers. Feature: Vented XFMR enclosure enhances cooling via natural convection. Business Impact: improves cooling efficiency, maintains stable temperatures in hot plants, and preserves component life. Application: harsh factory floors, painting lines, and stamping presses. Feature: Primary/secondary voltage 480-208Y/120 simplifies integration with common distribution gear. Business Impact: compatible with standard switchgear, reduces wiring complexity, and speeds installation. Application: automation cabinets, panels. Feature: UL Listed ensures safety compliance and traceability. Business Impact: reduces regulatory risk and accelerates approvals in regulated environments. Application: production floors, data centers, and OEM installations. Feature: Compact footprint with defined dimensions (31.5 in L x 34.5 in W x 51 in H) supports space-constrained environments. Business Impact: enables easier retrofits and cleaner equipment layouts. Application: retrofit projects and new automation installs.
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FAQs
The N48M28T7521LS50I4 is a 75 kVA three-phase transformer with a 480-208Y/120 rating and K13 K-Factor nonlinear design. It is well suited for automation panels, drives, and control rooms where nonlinear loads and harmonic currents are common. Its vented enclosure helps manage heat, supporting reliable operation in busy manufacturing environments and reducing maintenance cycles.
Key specifications include a 75 kVA rating, three-phase configuration, and a 480-208Y/120 voltage rating. It utilizes a K13 K-Factor nonlinear design for harmonic management and comes in a vented XFMR enclosure. The unit is UL Listed, ensuring safety and regulatory compliance for industrial installation.
Yes, the 480-208Y/120 output and three-phase configuration align with common industrial switchgear and control panels. Its vented enclosure aids cooling in hot environments, and the compact, defined footprint (31.5 in L x 34.5 in W x 51 in H) facilitates integration into standard equipment rooms and retrofit projects.
K-Factor nonlinear transformers are designed to handle harmonic-rich loads with reduced heat buildup, improving long-term reliability. Regular maintenance should focus on ventilation clearance, dust control around the vented enclosure, and periodic inspection of protective devices to maintain safe operating temperatures and consistent voltage performance.
Official documentation includes Eaton's Specification Sheet for N48M28T7521LS50I4 and Eaton’s Transformer Flex Center video. Access the spec sheet at Eaton's website and watch the video for installation guidance and parameter details to support procurement, sizing, and commissioning activities.