Eaton N48M28T1221LS50 K-Factor Transformer - UL Listed
Part Number: N48M28T1221LS50
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is designed to condition and isolate power for three-phase industrial loads in manufacturing, process automation, and critical facilities. Industrial sites often contend with harmonic distortion, excessive heat, and noisy operation that threaten uptime and equipment life; this transformer helps reduce those risks through K-Factor design and advanced ventilation. It carries DOE2016 Efficient compliance and UL Listed certification, ensuring energy efficiency and safe installation in demanding environments. With a 112.5 kVA rating and a 480 V primary feeding 208Y/120 V secondary, it supports scalable distribution while aligning with modern energy-management programs. Its rugged frame and installation flexibility help reduce lifecycle costs and speed commissioning in the field.
Product Information
Extended Description
N48M28T1221LS50 Eaton: Eaton NextGen K-Factor, DOE2016 50dB Sound, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 150C, M-Taps
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T1221LS50
UPC
786689671013
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
150 °C rise
Special features
K13
K-Factor nonlinear ventilated transformer design enhances power quality by limiting harmonic distortion. This translates to lower overheating risk and longer life for downstream equipment, enabling reliable operation of motors, drives, and sensitive controls in automation lines. In practice, plants deploying automated assembly lines and process controls gain steadier voltages and quieter operation with install-ready ventilation and robust cooling. DOE2016 Efficient compliance delivers measurable energy savings and easier regulatory alignment, reducing operating expenses over the asset’s lifecycle. The 112.5 kVA three-phase rating, 480 V primary to 208Y/120 V secondary compatibility, and M-Taps offer scalable distribution that accelerates project timelines. K13 features address harmonic complexity, while UL Listed certification provides installation assurance in crowded facilities. All together, this transformer supports higher availability and lower total cost of ownership for industrial power systems.
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FAQs
Plan for a heavy unit installation with proper lifting gear, as the transformer weighs about 1200 lb. Allocate adequate floor space and ventilation clearance, and ensure access to the 283B wiring connection. The device measures 31.5 in deep, 51 in tall, and 34.5 in wide, so coordinate with enclosure dimensions and service clearances. Use appropriate mounting provisions on the 943 frame and observe all safety guidelines for UL Listed equipment.
The K-Factor nonlinear design targets harmonic currents to minimize distortion entering downstream equipment, reducing heat and improving power quality. This supports longer motor life and steadier operation of drives and controls. Combined with K13 features, the transformer mitigates complex harmonic profiles common in automated lines, helping plants meet power quality requirements while maintaining efficiency and reliability.
Yes. The transformer is designed for demanding environments, featuring a 150 °C rise specification and robust ventilation to manage heat in hot facilities. The M-Taps option provides voltage flexibility, aiding installation in areas with varying supply conditions. Ensure adequate airflow and clearances in the installation area and perform routine checks as part of a preventive maintenance program to sustain performance.
Key specs include a 112.5 kVA rating, three-phase power, primary voltage of 480 V, and secondary voltage of 208Y/120 V. The unit weighs 1200 lb and uses a wiring connection of 283B. Compliances include DOE2016 Efficient and UL Listed. These details inform feeder sizing, panelboard compatibility, and coordination with protective devices in industrial power distribution schemes.
Energy efficiency from DOE2016 compliance reduces operating costs over the asset life, while UL Listed certification supports safe, compliant installation. Regular maintenance should focus on cooling system integrity, load balancing, and inspection of terminations and enclosure seals. Although large and heavy, the robust ventilated design and K13 features contribute to higher uptime and predictable lifecycle costs, delivering faster commissioning and lower total ownership risk for industrial facilities.