Eaton N48M28T4921CSLS50 K-Factor Nonlinear Transformer UL
Part Number: N48M28T4921CSLS50
Quick Summary
The Eaton K-Factor nonlinear ventilated transformer is a reliable power solution for industrial automation and energy-intensive loads. It addresses heat and efficiency challenges that arise from nonlinear electrical loads, helping uptime and operational reliability. With DOE2016 Efficient compliance and UL Listed safety, plus K13 insulation characteristics, it supports demanding industrial environments. Designed for three-phase distribution, it integrates smoothly with 480 V to 208Y/120 V systems, delivering measurable business value through improved efficiency and safer, more controllable power delivery for panel builders and OEMs.
Product Information
Extended Description
N48M28T4921CSLS50 Eaton: Eaton NextGen K-Factor DOE2016 CU-Shield 50dB, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 150C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T4921CSLS50
UPC
786689670399
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
150 kVA
Volt ampere rating
150KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
K13
Feature → Business Impact → ApplicationK-Factor nonlinear ventilated design → Reduces harmonic heating and improves transformer life, delivering reliable operation under nonlinear loads such as VFDs and CNC drives. This translates to lower maintenance costs and longer service intervals for manufacturing cells and automation racks.150 kVA three-phase rating with 480 V primary and 208Y/120 V secondary → Supports high-load applications with voltage stability and simplified distribution near critical equipment. Perfect for motor drives, pumps, and control panels in industrial automation and process lines.DOE2016 Efficient compliance → Lowers energy losses across load profiles, cutting operating costs over time. Beneficial for energy-intensive facilities, data centers, and inline manufacturing operations seeking energy stewardship and cost reduction.UL Listed certification → Provides safety assurance and procurement ease, reducing qualification time for panel builders and end users while supporting warranty compliance and installation approvals.Wiring connection 283B and frame 943 → Facilitates straightforward mounting and wiring in standard switchgear enclosures, enabling faster project deployment and easier maintenance in retrofit and new-build environments.K13 special features → Enhances insulation ruggedness for harsher environments, improving reliability in heat, dust, and transient load conditions found in heavy industry and process automation.
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FAQs
Plan for a three-phase installation with a 480 V primary and 208Y/120 V secondary. The unit ships with a 283B wiring connection and a 943 frame, and it weighs about 1200 lb. Ensure adequate clearance for ventilation (150 °C rise rating) and space for the 31.5 in depth, 51 in height, and 34.5 in width. Verify UL listing and DOE2016 compliance during panel integration.
The K-Factor nonlinear design mitigates harmonic heating and voltage distortion, reducing thermal aging and improving reliability under nonlinear loads such as VFDs and drive systems. This translates to longer service life, lower cooling demand, and improved efficiency in automation and manufacturing applications.
Yes. With a 150 kVA rating, three-phase operation, and 480 V to 208Y/120 V secondary, it supports critical loads and control panels common in data centers and motor drive applications. The DOE2016 Efficient and UL Listed certifications further ensure compliance and energy efficiency, while K13 insulation supports rugged operation in demanding environments.
The transformer is UL Listed for safety and DOE2016 Efficient compliant for energy performance. The K13 feature enhances insulation resilience, and it is designed for dependable operation in industrial settings. These certifications simplify procurement, testing, and commissioning in OEM, panel-building, and end-user environments.
ROI comes from lower energy losses due to DOE2016 efficiency, reduced cooling requirements from effective heat management, and longer transformer life with K-Factor optimization. Maintenance is straightforward due to UL safety features and accessible wiring; routine inspections should focus on connection integrity, ventilation clearance, and thermal performance under peak loads.