Eaton N48D28T3021CU Transformer - UL Listed K-Factor
Part Number: N48D28T3021CU
Quick Summary
The Eaton N48D28T3021CU is a K-Factor nonlinear ventilated transformer for three-phase power distribution in industrial facilities. It helps address reliability challenges by reducing inrush and thermal hotspots that can compromise uptime in compact switchgear and crowded electrical rooms. Certifications include UL Listed safety compliance, with additional emphasis on robust design for industrial environments; this supports safer operation and simplified procurement. For ongoing value, this model complements modern protection schemes and scalable distribution strategies, while aligning with K-Factor nonlinear performance to manage nuisance harmonics and efficiency in demanding applications.
Product Information
Extended Description
N48D28T3021CU Eaton: Eaton K-Factor nonlinear ventilated transformer, 30 kVA, K13 Vented XFMR, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28T3021CU
UPC
786689664145
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
430 lb
Certifications
UL Listed
Type
Vented XFMR
Kva Rating
30 kVA
Phase
Three-phase
The N48D28T3021CU uses a K-Factor nonlinear ventilated transformer design to optimize thermal performance under non-linear loading, which translates to lower heat buildup, improved reliability, and extended service life in continuous operations. This directly supports reduced maintenance costs and less downtime in critical facilities, such as industrial plants and manufacturing lines. Its 30 kVA 3-phase rating and 480-208Y/120 voltage configuration enable seamless integration with common US power systems, enabling faster project kickoff and predictable load management. The UL Listed certification establishes baseline safety and compliance, easing supplier qualification and installation auditing. The vented XFMR construction enhances cooling in densely packed switchgear, providing better temperature control and longer insulation life. With a footprint tailored for standard electrical rooms, installation is straightforward, and compatibility with existing protection and metering schemes is straightforward. Overall, the solution delivers improved efficiency, lower total cost of ownership, and scalable capacity for growing operations; it’s well-suited for mid-size industrial environments requiring reliable, compliant power transformation.
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FAQs
For new installations, mount the transformer in standard electrical rooms or switchgear assemblies with clearances sufficient for safe wiring access, ventilation, and routine maintenance. Plan space for the 430 lb unit, provide adequate airflow around the vented XFMR, and ensure room for terminal connections and cable management. Follow Eaton installation guidelines to maintain optimal cooling performance.
The unit offers a 30 kVA three-phase rating, with a primary voltage of 480 V and a secondary of 208Y/120 V. It is UL Listed and configured as a K-Factor nonlinear ventilated transformer (K13 reference in extended descriptions). Dimensions are 21.13 in L, 24.88 in W, 36.88 in H, and it weighs approximately 430 lb, suitable for standardized electrical rooms.
Yes, the N48D28T3021CU is well-suited for mid-size industrial power distribution and can support data center loads that fit within a 30 kVA envelope. The K-Factor nonlinear design aids in handling non-linear loads, while the vented cooling supports safe operation in dense switchgear environments. Verify sleeve clearance, protection coordination, and cooling adequacy for your specific data center or plant layout.
The transformer is UL Listed, indicating compliance with recognized safety standards for electrical equipment. This certification helps streamline procurement, testing, and compliance documentation for industrial facilities. Note that CE and IP ratings are not listed in the provided data; verify project requirements and Eaton literature for any additional regional certifications as needed.
K-Factor nonlinear design reduces heating stress under non-linear loading, improving reliability and extending insulation life, which lowers maintenance frequency and downtime. The vented construction enhances cooling efficiency, supporting steady performance under peak loads. Together, these factors improve overall system uptime and can reduce energy losses, delivering a favorable return on investment in facilities with variable or high-harmonic loads.