Eaton N48D28T7521 K-Factor transformer - UL Listed
Part Number: N48D28T7521
Quick Summary
Eaton N48D28T7521 K-Factor nonlinear ventilated transformer provides reliable power conversion for three-phase industrial systems. Facilities often face harmonic distortion and voltage fluctuations that shorten equipment life and disrupt uptime. This UL Listed unit targets industrial power distribution with a 75 kVA rating, compatible 480 V primary and 208Y/120 V secondary, helping you maintain clean power in automation panels. By supporting scalable loads and safer installation practices, it delivers dependable performance for manufacturing lines and control cabinets while aligning with essential safety standards and improving overall equipment reliability.
Product Information
Extended Description
N48D28T7521 Eaton: Eaton K-Factor nonlinear ventilated transformer, Vented XFMR, 75 kVA, K13, 3-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28T7521
UPC
786689664169
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Voltage rating
480-208Y/120V
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design mitigates harmonic currents, reducing winding stress and hot spots, which translates to longer transformer life and fewer unplanned outages in automation environments. This boosts overall equipment uptime and lowers maintenance costs for machine centers and robotics cells. Application: Ideal for facilities with variable harmonic loads, such as high-speed automated lines and servo-driven equipment. Feature → Business Impact → Application: A 75 kVA three-phase configuration provides scalable power support for growing automation panels and distribution blocks, delivering consistent voltage to critical drives and controllers. This enables more predictable startup profiles and reduces the need for oversized, costly back-up solutions. Application: Mid-size manufacturing plants and distribution centers seeking reliable power for multi-panel deployments. Feature → Business Impact → Application: Clear voltage compatibility with 480 V primary and 208Y/120 V secondary simplifies panel design, minimizes mis-wiring risk, and accelerates installation schedules. This supports faster commissioning and easier maintenance checks. Application: Industrial power distribution in control rooms, machine rooms, and automation cabinets. Feature → Business Impact → Application: UL Listed certification reinforces safety compliance and code-adherence during installation, ensuring buyers meet regulatory requirements with confidence. This reduces project risk and accelerates procurement cycles. Application: Any Eaton transformer deployment in regulated facilities or contractor-managed installations. Feature → Business Impact → Application: Compact vented enclosure and robust build improve heat management in dense electrical rooms, enabling closer component pairing and improved cooling efficiency. This supports higher-density layouts and lower total installed cost over time. Application: Data-intensive automation cells and factory floors with space constraints.
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FAQs
For installation, plan three-phase wiring with a 480 V primary and 208Y/120 V secondary, ensuring the panel space accommodates a 430 lb unit with dimensions near 21.13 in (L) x 24.88 in (W) x 36.88 in (H). Verify UL Listed compliance, and follow manufacturer mounting guidelines to optimize venting and heat dissipation in dense electrical rooms.
The transformer uses K-Factor nonlinear venting to mitigate harmonic currents, reducing winding stress and overheating. This improves voltage stability under harmonic-rich conditions, preserving drive performance and reducing derivative wear on motors and converters in automated lines.
Yes. With 75 kVA capacity and a three-phase design, it supports high-demand automation panels and servo-driven equipment. The 480 V to 208Y/120 V output configuration aligns with common control power needs, while UL Listing supports safe, compliant integration into factory automation environments.
The N48D28T7521 is UL Listed, confirming conformance to safety standards for electrical equipment. While other certifications are not listed in the data, UL Listing provides a strong baseline for safety compliance in many regional codes and project specifications.
The unit’s robust ventilated design and UL safety certification help reduce unplanned downtime by improving reliability under harmonic loads. The 75 kVA rating supports scalable automation, potentially lowering initial capital costs by avoiding oversized back-up gear, and speeding up installation and commissioning in industrial power distributions.