Eaton N48M28T7521CUSS K-Factor Transformer - UL Listed
Part Number: N48M28T7521CUSS
Quick Summary
Eaton K-Factor nonlinear ventilated transformer powers scalable power distribution for industrial facilities. Engineers struggle with overheating, space constraints, and heat-collecting enclosures that drive maintenance costs and downtime. UL Listed certification ensures safety and code compliance for electrical installations. With a 75 kVA three-phase rating and a 480-208Y/120 secondary, it supports efficient energy management and reliable protection for critical loads. Designed for straightforward integration into existing power-management and distribution strategies, it helps facilities meet uptime targets while controlling upfront and operating costs.
Product Information
Extended Description
N48M28T7521CUSS Eaton: Eaton K-Factor nonlinear ventilated transformer, 75 kVA, Vented XFMR, K13, Three-phase, 480-208Y/120
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T7521CUSS
UPC
786689664664
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
75 kVA
Phase
Three-phase
Feature: K-Factor nonlinear ventilated design optimizes heat flow and mitigates non-linear harmonic effects. Business impact: This reduces core insulation stress, extends transformer life, and lowers maintenance costs in plants with variable loads from drives and automation. Application: ideal for manufacturing lines, packaging equipment, and plant critical buses where reliable cooling and predictable performance are essential. Feature: Vented XFMR construction delivers enhanced cooling. Business impact: Lower temperature rise translates to improved efficiency, reduced derating, and longer component life. Application: installations with limited airflow or high ambient temperatures, in electrical rooms and switchgear enclosures. Feature: 75 kVA rating and three-phase configuration with 480-208Y/120 output. Business impact: Supports mid-size loads without oversizing or paralleling transformers, optimizing space and cost. Application: panel boards, distribution panels, and automation racks across manufacturing and process industries. Feature: Compact footprint and weight specification facilitate on-site handling and installation. Business impact: reduces crane and rigging needs, simplifies room planning, and fits standard electrical mounting patterns. Application: electrical rooms, equipment closets, and switchgear housings in factories and data centers. Feature: UL Listed certification confirms safety and electrical-code compliance. Business impact: accelerates procurement, reduces QA reviews, and streamlines commissioning. Application: electrical rooms and distribution equipment requiring code compliance.
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FAQs
The N48M28T7521CUSS is designed for vented cooling and can be mounted in standard electrical rooms or within switchgear enclosures. Plan for a 21.13 in L x 24.88 in W footprint and 36.88 in H, with an approximate weight of 430 lb. Ensure adequate clearance for ventilation and follow UL Listed safety practices during commissioning.
This unit uses a K-Factor nonlinear design with a 75 kVA rating. It is a three-phase transformer with a primary voltage of 480 V and a secondary of 208Y/120 V, optimized for non-linear load environments and reliable voltage transformation in industrial settings.
Yes. Its 75 kVA three-phase capacity, vented cooling, and 480-208Y/120 secondary make it suitable for mid-size data centers, automation racks, and manufacturing equipment. The UL Listed rating helps ensure compliance and straightforward commissioning in critical load applications.
UL Listed indicates the transformer meets recognized safety requirements for electrical equipment. Routine maintenance focuses on visual inspection, cooling pathways, and enclosure integrity; however, these units are designed for high reliability with minimal ongoing maintenance when installed per guidelines.
The N48M28T7521CUSS supports reliable power distribution with improved heat management and reduced downtime under non-linear loads, which lowers maintenance costs and extends service life. When combined with its compact footprint and code-compliant UL Listed certification, it can shorten procurement cycles and reduce total cost of ownership in medium-scale industrial installations.