Eaton N48M28F1221CULS50I3 Transformer - UL Listed
Part Number: N48M28F1221CULS50I3
Quick Summary
Eaton N48M28F1221CULS50I3 transformer provides efficient three-phase power distribution for industrial facilities. High harmonic loads and heat buildup challenge reliability and uptime in modern plants, making cooling, heat rejection, and loss management critical design considerations. Certified UL Listed and DOE2016 Efficient, it helps meet regulatory requirements while delivering measurable energy savings across peak and off-peak operation. Its K-Factor nonlinear ventilated design supports scalable installations, reduces audible noise, and lowers operating temperatures, improving long-term reliability and maintenance planning. With a 112.5 kVA rating and standard 480 V to 208Y/120 V voltages, this unit is well suited for manufacturing lines, data centers, and process facilities where power quality and uptime drive production efficiency.
Product Information
Extended Description
N48M28F1221CULS50I3 Eaton: Eaton NG K-Factor, DOE2016 CU 3-in IR-W, 50 dB, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F1221CULS50I3
UPC
786689670979
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
112.50 kVA
Volt ampere rating
112.5KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Special features
K13
K-Factor nonlinear ventilated design delivers robust harmonic performance and effective cooling in nonlinear load conditions. Business impact: By reducing stray losses and heat rise, it lowers operating costs and extends component life even in crowded electrical rooms. Application: Ideal for manufacturing lines, data centers, and process facilities where power quality and uptime drive production efficiency. 112.5 kVA three-phase rating with 480 V primary and 208Y/120 V secondary. Business impact: Provides compatible voltages for distribution panels and downstream equipment, minimizing voltage drop and wiring complexity. Application: Suitable for standard industrial feeders, MCCs, and machine automation suites. DOE2016 Efficient compliance and UL Listed certification. Business impact: Aligns with energy codes and procurement standards while delivering measurable energy savings across load profiles. Application: Supports sustainable programs and regulatory compliance across plant fleets. Compact footprint and service access with frame 943 and overall dimensions 31.5 in L × 51 in H × 34.5 in W, weighing 1200 lb. Business impact: Requires appropriate lifting equipment and floor loading, but offers stable mounting and easy service access. Application: Install in dedicated electrical rooms or equipment rooms with adequate clearance; compatible with Eaton Flex Center resources and datasheets.
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FAQs
This transformer uses a 283B wiring connection and weighs 1200 lb, with dimensions of 31.5 in L, 51 in H, and 34.5 in W. Plan for crane access, proper clearances, and a preparation of a stable floor or dedicated rack. Ensure mounting fits the frame 943 footprint and allows service access for maintenance and future expansion. Refer to Eaton's specification sheet for exact installation guidance.
The K-Factor nonlinear design mitigates heat and stray losses under harmonic-rich conditions, improving efficiency and reducing temperature rise. This enhances reliability of downstream equipment and extends transformer life. In practice, facilities with variable-speed drives, controls, and power electronics gain steadier voltage delivery and reduced cooling demands.
Yes. With a 112.5 kVA rating and 480 V to 208Y/120 V outputs, the unit supports critical loads in data centers and manufacturing lines. Its energy-efficient DOE2016 design, UL listing, and robust ventilation enable reliable operation in controlled and harsh environments, while maintaining stable power delivery to sensitive equipment and automation systems.
The transformer is UL Listed and complies with DOE2016 Efficiency standards. UL Listing confirms safety and reliability for industrial installations, while DOE2016 Efficiency supports energy performance targets and regulatory compliance. These certifications aid procurement, reduce risk, and align with sustainability programs across plant fleets.
DOE2016 Efficient design translates to lower energy losses and reduced operating costs over the life of the transformer, improving total cost of ownership. Maintenance considerations include routine inspection of cooling paths and electrical connections, using Eaton’s Transformer Flex Center resources for diagnostics and servicing, and leveraging the UL Listed heritage to simplify warranty and service planning.