Eaton N48M28T4921CUSR Transformer - DOE2016 Efficient
Part Number: N48M28T4921CUSR
Quick Summary
The Eaton N48M28T4921CUSR transformer delivers high-efficiency power distribution with K-Factor protection for industrial facilities. Engineers often struggle with energy losses, overheating, and compliance when selecting large transformers for critical loads. This unit combines DOE2016 Efficient compliance and UL Listed certification, with K13 features that enhance reliability for mission-critical applications. Its three-phase, 480 V primary and 208Y/120 V secondary configuration supports seamless integration with modern switchgear and panelboards. Optimized ventilation and efficiency translate into measurable energy savings and reduced utility peak demand. For procurement, the consistent footprint and documented wiring scheme simplify installation and spare-parts planning.
Product Information
Extended Description
N48M28T4921CUSR Eaton: Eaton NextGen K-Factor DOE2016 CU SR-RPT, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 150C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T4921CUSR
UPC
786689670832
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1200 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Kva Rating
150 kVA
Volt ampere rating
150KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
K13
Feature → Business Impact → Application: The 150 kVA three-phase rating provides ample capacity for mid-size industrial loads while maintaining compact footprint relative to older designs, reducing rack space and compartmentalization needs in control rooms. This translates to lower installation costs and improved panel density for packaging lines and machine centers. Application: data centers, manufacturing lines, and automated facilities seeking reliable distribution with predictable losses. Feature → Business Impact → Application: DOE2016 Efficient performance lowers energy waste and utility penalties, delivering quantified cost savings over time. Application: facilities pursuing energy-management initiatives and green-compliance programs. Feature → Business Impact → Application: K-Factor nonlinear ventilation enhances thermal handling under non-linear load profiles, reducing hotspot risk and extending transformer life. Application: data-intensive loads and mixed-load environments where voltage stability matters. Feature → Business Impact → Application: Wiring connection 283B and standardized frame 943 simplify integration with existing switchgear, control panels, and modular bus systems. Application: retrofit projects and new installations needing quick, compliant wiring. Feature → Business Impact → Application: UL Listed certification supports compliance and procurement confidence, eliminating risky supplier negotiations. Application: regulated industries and OEM integrations requiring validated safety standards. Feature → Business Impact → Application: 480 V to 208Y/120 V secondary configuration enables direct coupling with common utility feeds and machine circuits, reducing transformation steps and panel footnotes. Application: plant-wide power distribution and critical-mac setups needing dependable voltage conversion.
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FAQs
The N48M28T4921CUSR is a three-phase, 480 V primary transformer with a 208Y/120 V secondary, designed for installation in industrial electrical rooms and switchgear-rich environments. It requires adequate clearance, ventilation, and foundation capable of supporting a 1200 lb unit. The wiring connection is 283B, and the footprint aligns with standard panelboard configurations to minimize rework during retrofits.
Key specs include a 150 kVA rating, three-phase operation, primary voltage of 480 V, secondary voltage of 208Y/120 V, and a K-Factor nonlinear ventilated design. It complies with DOE2016 Efficient standards and is UL Listed. The unit features a frame 943, wiring connection 283B, and a weight of about 1200 lb, suitable for demanding industrial installations.
Yes. Its 150 kVA three-phase capability, DOE2016 efficiency, UL Listed certification, and K13 features support reliable, efficient power delivery for data centers. The 480 V to 208Y/120 V transformation aligns with common data-center rack and switchgear needs, while the ventilated design helps manage heat under varying workloads, reducing cooling costs and improving uptime.
The N48M28T4921CUSR carries UL Listed certification and DOE2016 Efficient compliance, signaling adherence to recognized safety and energy-efficiency standards. These certifications ease procurement in regulated environments, support warranty and service programs, and help meet energy-management and sustainability targets across industrial facilities.
ROI is driven by energy savings from DOE2016 efficiency and reduced peak demand charges, combined with reliable K-Factor ventilation that lowers thermal stress and extends service life. Maintenance focuses on electrical clearances, periodic inspections of cooling paths, and wiring integrity (283B). Regular checks on transformer oil levels or equivalents per site policy help sustain performance.