Eaton N48M28F4921CUSRLS50 K-Factor transformer UL Listed
Part Number: N48M28F4921CUSRLS50
Quick Summary
Eaton N48M28F4921CUSRLS50 is a high-efficiency, K-Factor nonlinear transformer for three-phase power distribution. Many engineers face energy waste, space constraints, and regulatory complexity when upgrading aging electrical systems. The unit complies with DOE2016 Efficient standards and UL Listed certification, supporting predictable performance and safe operation in demanding environments. Designed for industrial facilities, it optimizes 480 V to 208Y/120 V conversions while fitting common footprint envelopes. The combination of rugged construction and ventilated cooling translates to longer life, reduced maintenance, and easier procurement through standard parts and a robust datasheet. In practice, this translates to lower total cost of ownership and faster project timelines for electrical upgrades.
Product Information
Extended Description
N48M28F4921CUSRLS50 Eaton: Eaton NextGen K-Factor, DOE2016 CU SR-RPT 50dB, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4921CUSRLS50
UPC
786689670122
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
115 °C rise
Special features
K13
Feature: K-Factor nonlinear ventilated design drives higher efficiency under diverse load profiles. Business Impact: By minimizing core losses and improving cooling, it reduces energy consumption and data center cooling costs. Application: Suitable for data centers, manufacturing lines, and control panels. Feature: DOE2016 Efficient and UL Listed compliance ensures regulatory alignment. Business Impact: Simplifies procurement, speeds audits, and supports sustainability reporting. Application: Required for facilities with strict energy performance programs and safety standards. Feature: 150 kVA rating with 480 V primary and 208Y/120 V secondary supports scalable power distribution. Business Impact: Enables installation in existing switchgear without oversizing, reducing capex. Application: Panel boards, MCCs, and machine centers in plants. Feature: Ventilated cooling with a 115 °C rise offers robust thermal headroom. Business Impact: Extends service life, lowers maintenance frequency, and stabilizes output under peak loads. Application: Heavy-duty industrial environments with high heat generation. Feature: Wiring connection 283B and frame 943 provide compatibility with standard Eaton components and mounting options. Business Impact: Simplifies installation, improves serviceability, and reduces commissioning time. Application: Retrofit projects and new builds with standard bus and enclosure footprints. Feature: K13 special features deliver additional efficiency benefits. Business Impact: Enhances overall performance in energy-conscious facilities and supports long-term savings.
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FAQs
Installation requires proper lifting for the 1200 lb unit, secure mounting in a compliant enclosure, and correct wiring per the 283B connection. Plan for adequate ventilation and clearance. Follow 3-phase 480 V to 208Y/120 V connections, verify DOE2016 Efficient practices, and confirm UL Listed documentation is on-hand for audits.
The transformer is a three-phase, 150 kVA unit with a 480 V primary and 208Y/120 V secondary. It has a 115 °C temperature rise, uses K-Factor nonlinear design, and carries UL Listed certification with DOE2016 Efficient compliance, making it suitable for demanding industrial environments with stable, efficient operation.
Yes. Its 150 kVA rating, 480 V to 208Y/120 V output, and energy-efficient K-Factor design support critical power distribution in data centers and manufacturing floors. The UL Listed and DOE2016 Efficient certifications help with regulatory compliance, while the ventilated design improves thermal performance under peak loads common in these settings.
This unit carries UL Listed certification and meets DOE2016 Efficient standards. UL Listing confirms safety and reliability for electrical installations, while DOE2016 Efficient compliance reduces energy waste and supports sustainability reporting—important for audits, green building programs, and long-term operating cost control.
The DOE2016 Efficient design and reduced heat output lower energy costs and cooling requirements, contributing to faster payback. A longer service life is supported by robust cooling and rugged construction, which reduces maintenance intervals. Overall, the unit delivers improved uptime and a lower total cost of ownership for facility upgrades.