Eaton N48M28T4521HD K-Factor Transformer - UL Listed
Part Number: N48M28T4521HD
Quick Summary
N48M28T4521HD K-Factor nonlinear ventilated transformer is a three-phase power conditioning solution for industrial facilities. Engineers often struggle with harmonics, heat rise, and reliability in large equipment rooms, making robust substations essential. UL Listed safety certification underpins compliance with critical electrical standards, while the vented design supports safe operation in demanding environments. This transformer aligns with broader power management strategies, delivering 45 kVA capacity and compatibility with 480-208Y/120 distribution, boosting system efficiency and resilience for ongoing production demands.
Product Information
Extended Description
N48M28T4521HD Eaton: Eaton K-Factor nonlinear ventilated transformer, K13 Vented XFMR, 3-phase, 45 kVA, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T4521HD
UPC
786689664312
Product Length/Depth
35.57 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1093 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
45 kVA
Phase
Three-phase
The K-Factor nonlinear design addresses harmonic currents, reducing overheating and improving transformer lifespan, which translates to lower maintenance costs and fewer unscheduled downtime events in demanding plants. This feature supports a more stable power supply to critical loads, improving equipment uptime and plant throughput for manufacturers relying on high-availability electrical infrastructure. The vented XFMR construction enhances cooling performance, enabling sustained load operation in environments with limited ventilation and hotter ambient conditions, which translates to safer operation and longer service intervals for capital-intensive equipment. With a 45 kVA three-phase rating and a primary/secondary configuration of 480-208Y/120, this transformer delivers a reliable, scalable solution for mid-sized power distribution panels, motor drives, and processing lines, reducing the need for multiple smaller units and simplifying maintenance planning. The UL Listed certification provides a clear compliance signal for procurement teams, supporting fast approval in regulated facilities and decreasing project lead times. Finally, its physical dimensions and weight—compact enough to retrofit into established rooms while offering substantial power capacity—support easier installation, reduced rack space requirements, and faster commissioning in new installations.
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FAQs
The N48M28T4521HD is a three-phase transformer designed for 480-208Y/120 secondary voltages, making it a direct fit for many industrial power distribution schemes. Its K-Factor nonlinear rating supports harmonic management on mid-size loads, while the vented enclosure aids cooling in compact equipment rooms, enabling safer, more reliable operation within existing electrical networks.
K-Factor nonlinear transformers are tailored to handle non-sinusoidal loads by limiting excessive heating caused by harmonics. This translates to lower temperature rise, improved efficiency, and longer asset life. For plants with variable loads or motor drives, the transformer sustains consistent voltage quality, reducing nuisance trips and extending equipment uptime.
Yes. The N48M28T4521HD features a vented construction to manage heat under high-load conditions and a UL Listed safety certification for electrical standards compliance. Proper installation in a compliant enclosure and adherence to Eaton’s mounting guidelines ensure safe operation in typical factory environments and demanding machinery rooms.
Follow Eaton’s maintenance guidelines for three-phase, vented transformers. Schedule periodic visual inspections for enclosure integrity, check for unusual noise or odors, monitor temperature and winding temperatures, and verify connections are tight. Regular thermal scans and load assessments help sustain performance, efficiency, and reliability over the asset’s life.
The N48M28T4521HD consolidates power conditioning, harmonic management, and safe vented operation in a single 45 kVA unit, reducing the need for multiple transformers. Benefits include improved equipment uptime, reduced cooling needs due to better thermal performance, and faster project approval from UL compliance, delivering lower total cost of ownership over the long term.