Eaton N48M28F1221LS48 K-Factor nonlinear ventilated transformer - DOE2016 Efficient
Part Number: N48M28F1221LS48
Quick Summary
Eaton K-Factor nonlinear ventilated transformer reliably steps down three-phase power for industrial OEMs and facilities. Many installations struggle with efficiency, heat management, and regulatory compliance in dense plant layouts. It meets DOE2016 Efficient specifications and UL Listed certification, with K13 energy-efficiency features for modern demand-side control. With a 112.5 kVA rating and 480/208Y-120 V secondary, it supports critical plant loads with minimal voltage drop and fast response. The compact DOE2016-efficient design simplifies procurement and installation, while UL listing provides peace of mind during audits. In practice, teams achieve improved energy metrics, easier heat management, and scalable distribution as facilities grow.
Product Information
Extended Description
N48M28F1221LS48 Eaton: Eaton NextGen K-Factor, DOE2016 48dB, 112.5KVA, K13 XFMR, 3PH, 480-208Y/120, 115C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F1221LS48
UPC
786689670658
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
Feature: K-Factor nonlinear ventilated design adapts to harmonic-rich loads to limit hotspot formation and extend transformer life. Business Impact: By reducing localized heating, it lowers cooling energy use and improves reliability in continuous operation. Application: Ideal for motor drives, drives with variable-frequency loads, and other nonlinear equipment on busy manufacturing floors. Feature: DOE2016 Efficient specifications and UL Listed certification. Business Impact: These standards help you meet energy targets, simplify compliance, and streamline audits. Application: Beneficial for plants pursuing energy-management programs and regulatory reporting across plant-wide power distribution. Feature: 112.5 kVA rating with three-phase 480 V primary and 208Y/120 V secondary. Business Impact: Enables solid headroom for common plant feeders and reduces voltage drop under peak loads. Application: Suitable for switchgear and panelboard upgrades in industrial facilities and OEM equipment racks. Feature: Wiring connection 283B and frame 943 in an energy-efficient ventilated form factor. Business Impact: Eases installation with standard Eaton accessories and predictable mounting, reducing commissioning time. Application: Fits standard footprint in limited spaces and supports retrofit projects in existing installations. Feature: 115 °C temperature rise and K13 feature set for enhanced thermal management and control. Business Impact: Supports higher allowable operating temperatures in compact footprints, enabling closer cabinet packing and smaller cooling systems. Application: Useful in compact control rooms, data-center-adjacent equipment, and mission-critical loads with tight layouts.
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FAQs
The N48M28F1221LS48 uses the 283B wiring connection and a robust frame 943, designed for Eaton-compatible assemblies. It supports standard three-phase power distribution with a 480 V primary and 208Y/120 V secondary, making it suitable for switchgear, control panels, and compact substations. Installers benefit from a predictable footprint and access to Eaton’s installation resources to simplify commissioning.
Under nonlinear loads, the K-Factor nonlinear ventilated design helps limit hotspot formation, reducing thermal stress and improving reliability. The unit carries a 115 °C rise rating and K13 features, which means better thermal management and sustained efficiency in harmonic-rich environments. Expect lower cooling requirements and steadier voltage performance during peak demand.
Yes. With 112.5 kVA capacity and a 480 V to 208Y/120 V output, the N48M28F1221LS48 supports critical plant feeders and data-center-adjacent equipment while maintaining efficiency. Its DOE2016 compliance and UL Listing simplify regulatory handling, and its ventilated design helps manage heat in densely packed installations typical of manufacturing lines and data centers.
This transformer is UL Listed and DOE2016 Efficient, aligning with modern energy-performance and safety requirements. The K13 feature set further enhances efficiency in harmonic environments. These certifications facilitate audits, help meet energy-management targets, and support compliant deployment across industrial facilities and OEM applications.
The N48M28F1221LS48 delivers ROI through energy savings from the DOE2016 efficient design and reduced cooling requirements due to lower heat output. Its robust ventilated construction and K-Factor design extend service life under harmonic loads, decreasing maintenance intervals. For retrofit projects, the unit’s footprint and compatibility with Eaton resources also minimize installation time and lifecycle costs.