Eaton N48M28F4921CU Transformer - DOE2016 Efficient
Part Number: N48M28F4921CU
Quick Summary
N48M28F4921CU Transformer is a high-efficiency three-phase power transformer designed for industrial control panels and power distribution. Factories increasingly struggle with voltage stability, heat buildup, and rising energy costs that interrupt uptime and shorten equipment life. This model aligns with DOE2016 Efficient, UL Listed, and K13 K-Factor standards to help you meet regulatory requirements while maximizing reliability. With robust ventilation and a scalable footprint, it supports lean installation in constrained spaces and reduces cooling load. For engineering teams pursuing long-term cost reductions, it offers predictable performance and a clear path to compliant, energy-aware power distribution.
Product Information
Extended Description
N48M28F4921CU Eaton: Eaton NextGen K-Factor, DOE2016 CU K13 XFMR, 3PH, 480-208Y/120, 115C, 150 KVA
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4921CU
UPC
786689671129
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: K13 K-Factor nonlinear ventilated transformer → Business Impact: Manages nonlinear loads with reduced overheating and improved fault tolerance, lowering the risk of derating and downtime → Application: Automation racks and motor-driven lines that experience harmonic-rich power. Feature: 112.5 kVA rating with three-phase 480 V primary and 208Y/120 V secondary → Business Impact: Handles substantial, diverse loads in a single enclosure, enabling compact, scalable power distribution → Application: Large control panels, CNC machines, and process lines. Feature: DOE2016 Efficient compliance + UL Listed → Business Impact: Lower energy costs, simplified compliance documentation, and trusted safety certification → Application: regulated facilities, data-intensive manufacturing, and industrial environments. Feature: Dimensions 31.5 in L × 51 in H × 34.5 in W and weight about 1200 lb → Business Impact: Clear space planning and mounting in dedicated transformer rooms or equipment closets → Application: New builds and retrofit projects where footprint and weight matter. Feature: Wiring connection 283B and frame 943 with 115 °C rise → Business Impact: Facilitates straightforward field wiring and reliable thermal performance under heavy use → Application: Standard Eaton installation configurations in facility power systems. Feature: Special features including K13 along with 3PH ventilated design → Business Impact: Enhanced safety margins under nonlinear loading and improved long-term efficiency → Application: High-harmonic environments like presses, drives, and automation cells.
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FAQs
This transformer uses a 480 V primary and a 208Y/120 V secondary, with a 283B wiring connection and a 31.5 in length, 51 in height, and 34.5 in width footprint. Ensure enclosure clearance, proper ventilation, and suitable mounting in a transformer-rated space. Compatibility with standard Eaton accessories simplifies field wiring and reduces install time.
The unit is UL Listed and supports DOE2016 Efficient performance. It also features K13 K-Factor, indicating suitability for nonlinear loads. These certifications help ensure safety, energy efficiency, and regulatory alignment for industrial installations and automation projects.
Yes. With a 112.5 kVA rating and a three-phase 480 V input feeding 208Y/120 V outputs, it is designed for demanding control systems and automation racks. Its ventilated, energy-efficient design reduces heat load and cooling requirements, supporting higher uptime and lower lifecycle costs in manufacturing environments.
K13 indicates enhanced tolerance to nonlinear harmonic loads, improving voltage stability and reducing overheating risks. This leads to improved equipment reliability, fewer deratings, and better overall efficiency in facilities with drives, PLCs, and other nonlinear power electronics.
Plan for a dedicated transformer space with adequate ventilation and clearance for the 31.5 in L × 51 in H × 34.5 in W footprint and ~1200 lb weight. Use the 283B wiring connection and frame 943 hardware as specified, and schedule routine thermal and insulation checks to sustain efficient operation and extend service life.