Eaton N48M28F4521CU K-Factor Transformer - UL Listed
Part Number: N48M28F4521CU
Quick Summary
Eaton N48M28F4521CU is a K-Factor nonlinear ventilated transformer for 480-208Y/120V three-phase power distribution. Engineers often struggle with heat, harmonic distortion, and space constraints in electrical rooms. It carries UL Listed safety certification; CE and other ratings are not listed in the provided data. With robust protection and efficient cooling, this unit supports reliable power delivery while reducing downtime and operating costs. By aligning with these specs, you gain predictable performance, easier procurement, and long-term reliability for industrial applications.
Product Information
Extended Description
N48M28F4521CU Eaton: Eaton K-Factor nonlinear ventilated transformer, 480-208Y/120, 45 kVA, K13 Vented XFMR, Three-phase
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4521CU
UPC
786689664916
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
45 kVA
Phase
Three-phase
Feature: K-Factor nonlinear design targets harmonic currents, reducing overheating and protecting downstream equipment. Business Impact: improved reliability, longer transformer life, and fewer maintenance cycles. Application: data centers, manufacturing lines, and automation facilities where power quality matters.\n\nFeature: Ventilated XFMR construction. Business Impact: enhanced cooling under heavy loads, enabling higher continuous operation without derating. Application: crowded electrical rooms and retrofit projects where space is limited.\n\nFeature: 45 kVA three-phase rating with 480-208Y/120V input/output. Business Impact: efficient, scalable power delivery with reduced wiring complexity. Application: machine tools, PLC panels, and control rooms needing dependable energy supply.\n\nFeature: UL Listed certification. Business Impact: simplified procurement and compliance documentation, reducing project risk. Application: regulated industrial environments and facilities requiring proven safety standards.\n\nFeature: Compact footprint and defined dimensions. Business Impact: easier installer planning and seamless integration with standard electrical enclosures. Application: retrofits and new builds where space optimization matters.
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FAQs
The N48M28F4521CU is designed specifically for 480-208Y/120V three-phase service. It has a 45 kVA rating and a vented transformer construction, making it suitable for standard industrial panels and control rooms. For installation, ensure available enclosure space accommodates its 21.13 in length, 36.88 in height, and 24.88 in width, with adequate clearance for cooling.
The K-Factor nonlinear design helps manage harmonic currents, reducing transformer overheating and limiting voltage distortion that can affect downstream equipment. This improves system reliability, protects sensitive controls, and supports longer service life in harmonics-heavy applications like drives and CNC machinery.
This Eaton transformer carries UL Listed certification, providing safety compliance information essential for many procurement specs. Other ratings (such as CE or IP) are not listed in the provided data, so verify project-specific requirements if those certifications are mandated before purchase.
Plan for a footprint of 21.13 in (L) × 24.88 in (W) × 36.88 in (H) and a weight of about 430 lb. Ensure adequate ventilation and clearances around the unit for cooling. The vented XFMR design and UL safety certification support compliant installation, while the 480-208Y/120V delta/wye configuration facilitates compatibility with existing distribution schemes.
Expect reduced downtime due to improved thermal performance and harmonic mitigation, extending transformer life and reducing maintenance cycles. The UL Listed safety and robust cooling translate into lower risk during operation, while the compact footprint can lower installation costs and free up valuable space in busy electrical rooms.