Eaton N48D28T3021LS42 K-Factor Transformer - UL Listed
Part Number: N48D28T3021LS42
Quick Summary
Eaton N48D28T3021LS42 is a K-Factor nonlinear ventilated transformer for three-phase power distribution. In demanding facilities, heat build-up can shorten transformer life; this unit mitigates that risk with its vented design and optimized airflow. UL Listed safety certification supports reliable installation and standard-compliant operation, giving engineers confidence during procurement. With a 30 kVA rating and a 480-208Y/120 input, it integrates smoothly with existing switchgear and control panels while delivering steady, clean power to critical loads. This combination supports higher uptime, easier maintenance planning, and safer operation across manufacturing lines and data centers.
Product Information
Extended Description
N48D28T3021LS42 Eaton: Eaton K-Factor nonlinear ventilated transformer, 480-208Y/120, 30 kVA, K13 Vented XFMR, Three-phase
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28T3021LS42
UPC
786689664138
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
398 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
30 kVA
Phase
Three-phase
Feature → Business Impact → Application: The K-Factor nonlinear vented design manages harmonic and non-linear loading by improving heat dissipation, which reduces thermal stress and extends transformer life in environments with aggressive loading profiles. This translates to lower maintenance intervals and reduced risk of unplanned downtime in CNCs, drives, and automated lines. Application: use in industrial control panels and distribution assemblies where harmonic currents are common. Feature → Business Impact → Application: Three-phase 30 kVA capacity with 480-208Y/120 input simplifies system integration, enabling faster installation and fewer custom interconnects. This yields lower capital expense per kilovolt-ampere and streamlined project timelines in OEM equipment builds and facility upgrades. Feature → Business Impact → Application: UL Listed certification provides clear safety compliance, easing procurement audits and installation approvals. Application: ideal for regulated environments and facilities requiring verifiable electrical safety standards in manufacturing and data centers. Feature → Business Impact → Application: Ventilated XFMR construction reduces acoustic and thermal hotspots, supporting safer maintenance and cleaner operating conditions. Application: suitable for panels near high-density equipment and equipment rooms with restricted airflow. Feature → Business Impact → Application: Compact dimensions and substantial weight distribution support stable mounting and predictable shipping/installation costs. Application: preferred when space is at a premium or when retrofitting existing racks and switchgear. Feature → Business Impact → Application: K-Factor nonlinear performance aligns with modern harmonic-rich loads, improving efficiency and reducing distortion for improved overall plant power quality. Application: beneficial for variable-speed drives and mixed-load systems found in modern manufacturing lines.
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FAQs
Yes, the N48D28T3021LS42 is specified for 480-208Y/120 three-phase service and is designed for standard electrical rooms. Plan for adequate ventilation around the vented XFMR, provide proper clearance per Eaton’s datasheet, and coordinate with existing switchgear for seamless interconnection. Its footprint and weight (approximately 24.88 in W x 36.88 in H x 21.13 in D, about 398 lb) should be accounted for in rack and pad mounting calculations.
The K-Factor nonlinear design targets non-linear loads by dissipating excess heat more effectively, reducing thermal rise and extending asset life. In harmonic-laden environments, such as drives and power-intensive machinery, this reduces peak temperatures, lowers maintenance frequency, and improves overall reliability while preserving power quality for sensitive equipment.
Best suited for control panels, machine-level power distribution, and facility-wide power distribution in manufacturing lines and data centers. Its 30 kVA three-phase rating, vented construction, and compatibility with 480-208Y/120 systems make it ideal for deploying reliable, heat-managed power to critical loads without oversized enclosures or complex retrofits.
This model is UL Listed, which supports compliance with recognized electrical safety standards in the United States and many international markets. For regions requiring CE, IP ratings, or SIL certifications, consult Eaton’s datasheet or product pages to confirm regional certifications or availability of alternative configurations.
Expected ROI benefits come from reduced downtime, lower thermal-related maintenance needs, and longer service life due to improved heat management. Its compact vented design and solid UL safety certification simplify installation and ongoing compliance. Consider lifecycle costs, installation time, and energy losses associated with your specific load profile to quantify payback.