Eaton N48M28F7521CULS50 K-Factor Transformer - UL Listed
Part Number: N48M28F7521CULS50
Quick Summary
Eaton K-Factor nonlinear ventilated transformer provides reliable power conditioning for industrial automation panels. In busy environments, harmonic distortion and limited installation space can threaten uptime and equipment life. UL Listed certification supports safety and regulatory compliance, while CE or SIL considerations are commonly evaluated for broader markets. The 75 kVA, three-phase design and vented enclosure address heat buildup and harmonic management in demanding facilities. This transformer integrates with standard power distribution strategies, offering predictable performance and reduced maintenance spend. With a compact footprint and compatible 480-208Y/120 output, it delivers tangible business value for panel builders, integrators, and maintenance teams seeking dependable power reliability.
Product Information
Extended Description
N48M28F7521CULS50 Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, K13 VENT Vented XFMR, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F7521CULS50
UPC
786689665234
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 → Business Impact → Application: The K-Factor nonlinear ventilated design attenuates harmonic currents, reducing stress on downstream equipment and extending transformer life, which translates to lower maintenance costs and fewer unscheduled outages in automation panels and assembly lines. Application-focused result: improved power quality in CNC, robotics, and conveyor systems. Feature → Business Impact → Application: A 75 kVA rating supports medium-load automation zones, enabling one transformer to serve multiple loads while maintaining voltage stability; ideal for modular production cells and data-intensive manufacturing. Feature → Business Impact → Application: Three-phase 480-208Y/120 compatibility simplifies integration with standard plant electrical infrastructure, minimizing reconfiguration time during upgrades or expansion projects. Feature → Business Impact → Application: UL Listed certification provides a clear compliance path for safety audits, while the vented XFMR design mitigates overheating in high-duty cycles; beneficial for harsh manufacturing environments and continuous operations. Feature → Business Impact → Application: Precise dimensions (31.5 in L, 34.5 in W, 51 in H) help engineers plan panel layouts and clearance, reducing installation risk and enabling faster commissioning. Feature → Business Impact → Application: Robust k-factor performance supports harmonics-sensitive equipment such as CNC controls and servo drives, improving reliability and reducing nuisance tripping. This combination of protection, efficiency, and compatibility makes it a practical choice for industrial power distribution, facility modernization, and automation retrofits.
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FAQs
Plan for adequate ventilation and clearance around the vented XFMR to maximize the K-Factor advantages. The unit's dimensions are 31.5 in L, 34.5 in W, and 51 in H, so ensure enough footprint and service access for maintenance, connections, and cooling paths. Consider panel mounting vs. free-standing configurations and provide proper seismic or vibration considerations per site requirements.
The K-Factor design is engineered to limit harmonic currents that flow through the transformer, reducing overheating and voltage distortion in downstream equipment. This protection helps extend the life of downstream drives, PLCs, and sensors, while maintaining stable voltage delivery to automation loads in manufacturing and process environments.
Yes, the N48M28F7521CULS50 is UL Listed, confirming compliance with safety standards for industrial power equipment. It is configured for three-phase operation with a 480-208Y/120 output, aligning with common plant electrical distributions and enabling straightforward panel integration.
Key ratings include a 75 kVA power rating and a three-phase configuration with a 480-208Y/120 output. Physical dimensions are 31.5 in length, 34.5 in width, and 51 in height, which should be factored into panel space planning, mounting provisions, and clearances for safe operation and service access.
The K-Factor nonlinear design reduces harmonic stress, contributing to fewer heat-related failures and lower cooling energy needs. UL Listed certification supports long-term compliance, and the robust ventilation minimizes overheating during peak loads, translating to reduced maintenance events and lower lifecycle costs in production lines and automated environments.