Eaton N48M28F1221AFLS50 K-Factor transformer - UL Listed
Part Number: N48M28F1221AFLS50
Quick Summary
The Eaton N48M28F1221AFLS50 is a K-Factor nonlinear ventilated transformer designed to optimize power distribution in industrial control cabinets and automation panels. Engineers often struggle with energy waste, heat buildup, and regulatory compliance in compact cabinets. This model helps mitigate those challenges with DOE2016 Efficient performance and UL Listed certification, backed by robust K13 features for reliability in demanding environments. Its three-phase 480 V input and 208Y/120 V output support standard industrial power architectures, while its sizable 112.5 kVA rating delivers steady load handling. The combination of a protective ventilated design, familiar mounting footprint, and factory-tested specs translates into faster installations, lower operating costs, and improved system uptime for manufacturers and data centers alike.
Product Information
Extended Description
N48M28F1221AFLS50 Eaton: Eaton NextGen K-Factor, DOE2016 AntiFungus, 50dB, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F1221AFLS50
UPC
786689670573
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
The DOE2016 Efficient rating translates to lower energy losses and cooler operation, which reduces cooling demands in crowded electrical rooms and improves overall system efficiency. This feature directly impacts total cost of ownership by cutting annual energy costs and extending equipment life through gentler thermal profiles. The K-Factor nonlinear design enhances fault tolerance and power quality under nonlinear loads common in drives and PLCs, yielding more stable output for critical automation equipment. Its ventilated construction offers superior cooling in high-density panels, enabling higher loading without derating and enabling compact cabinet designs. With a three-phase 480 V to 208Y/120 V configuration, installation aligns with existing plant infrastructure, simplifying wiring and minimizing modification time. UL Listed certification supports regulatory compliance, while K13 features contribute to reliability in harsh environments. The heavy-duty frame—943—and wiring connection 283B provide proven compatibility with standard industrial harnesses and mounting practices, facilitating faster onboarding and serviceability in maintenance windows. Overall, this transformer delivers predictable performance, reduced downtime, and a safer, more cost-efficient power backbone for automated manufacturing lines and data-center adjacent infrastructures.
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FAQs
Install as a three-phase transformer with a 480 V primary and 208Y/120 V secondary using the 283B wiring connection. Plan for a 31.5 in L x 34.5 in W footprint and 51 in height, with an estimated weight of 1200 lb. Ensure proper lifting, mounting in a ventilated enclosure, and compliance with UL standards for safe operation and service access.
The unit is a 112.50 kVA three-phase transformer rated for 480 V input and 208Y/120 V output, with a 115 °C temperature rise and DOE2016 Efficient compliance. This combination delivers reliable power quality under nonlinear loading, supporting drives, PLCs, and automation loads while maintaining efficiency in energy-intensive environments.
Yes. Its DOE2016 Efficient compliance, UL Listed certification, and K-Factor nonlinear design make it well-suited for data centers, manufacturing lines, and industrial automation cabinets where stable power, cooling efficiency, and regulatory compliance are critical for uptime and reliability.
The N48M28F1221AFLS50 carries UL Listed certification and meets DOE2016 Efficient standards. The K13 feature set further supports reliability in demanding environments. These certifications help ensure regulatory compliance, safer operation, and reduced risk across industrial installations.
The transformer’s 1200 lb weight requires proper lifting equipment and handling during installation and service. The robust ventilated design reduces thermal stress, which can extend the unit’s life and lower maintenance frequency. Higher efficiency lowers energy costs and cooling requirements, contributing to a faster return on investment in automated facilities.