Eaton N48M28T4516CUSRTR-US Transformer - UL Listed
Part Number: N48M28T4516CUSRTR-US
Quick Summary
The Eaton K-Factor nonlinear ventilated transformer provides efficient, reliable power isolation for industrial facilities and equipment rooms. In harsh environments, heat, space constraints, and energy waste can erode uptime and inflate operating costs. UL Listed, DOE2016 Efficient performance, and 10 CFR Part 431 compliance offer clear regulatory alignment and risk reduction. This 45 kVA, three‑phase unit with 480 V delta primary and 208Y/120 V secondary is designed for modular automation, service cabinets, and plant-wide distribution, delivering dependable power with a compact footprint. With copper windings, a NEMA 3R enclosure, and a 150 °C rise, it stands up to outdoor and indoor installations while supporting scalable modernization.
Product Information
Extended Description
N48M28T4516CUSRTR-US Eaton: EATON K-FACTOR NONLINEAR VENTILATED TRANSFORMER DOE 2016, 60 HZ, 45KVA, 3PH, 480V DELTA, 208Y/120V, NEMA ST-20, 150°C RISE, NEMA 3R, CASE A, 220°C, 2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T4516CUSRTR-US
UPC
786689906399
Product Length/Depth
20 in
Product Height
38.5 in
Product Width
28.5 in
Product Weight
480 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 3R
Frame
CASE B+
Insulation
220 °C
Tap size
2 AT +2.5% FCAN, 4 AT -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
45 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
MADE IN AMERICA CU SOUND & TEST REPORT
Feature: K-Factor nonlinear ventilated design with copper windings → Business Impact: Enhanced harmonic handling and heat dissipation, improving transformer reliability under modern loads. Application: Automation panels and manufacturing lines where diverse loads create harmonic distortion. Long-tail keywords: K-Factor transformer, nonlinear ventilated transformer, copper windings reliability. Feature: 45 kVA three‑phase rating with 480 V delta primary and 208Y/120 V secondary → Business Impact: Flexible integration with common plant power architectures, reducing the need for intermediate gear and enabling near‑source distribution. Application: Control rooms, machine cabinets, and panel boards in automated factories. Long-tail keywords: 45 kVA transformer, 480 V delta, 208Y/120 V secondary. Feature: NEMA 3R enclosure and CASE B+ frame with 220 °C insulation and 150 °C rise → Business Impact: Rugged outdoor/indoor capability, extended service life, and safer operation in harsh environments. Application: Outdoor equipment rooms and harsh industrial spaces. Long-tail keywords: NEMA 3R enclosure, rugged transformer, 150 °C rise insulation. Feature: Tap changer 2 AT +2.5% FCAN, 4 AT -2.5% FCBN → Business Impact: Fine voltage regulation to maintain downstream equipment performance under line fluctuations. Application: Synchronizing with sensitive controls and motor drives. Long-tail keywords: voltage tap changers, FCAN, FCBN. Feature: DOE 2016 Efficient and UL Listed certifications plus 10 CFR Part 431 compliance → Business Impact: Regulatory alignment, energy cost savings, and easier procurement approvals. Application: Industry sectors prioritizing compliance and energy efficiency. Long-tail keywords: DOE 2016 Efficient transformer, UL Listed transformer, energy‑efficient power distribution. Feature: Made in America copper sound & test report → Business Impact: Quality assurance, traceability, and robust performance documentation for critical supply chains. Application: Facilities with supplier qualification requirements and reliability targets. Long-tail keywords: Made in America transformer, copper windings, test report.
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FAQs
This three‑phase transformer is designed for direct integration with typical 480 V delta primary supplies and 208Y/120 V secondary distributions. Install in a ventilated, weather‑protected space (NEMA 3R suitable) using the CASE B+ frame. Ensure correct tap settings (2 AT +2.5% FCAN, 4 AT −2.5% FCBN) to match the local voltage and load. Verify copper windings for peak efficiency and confirm UL Listed compliance during commissioning.
The N48M28T4516CUSRTR-US uses a NEMA 3R enclosure suitable for outdoor or indoor installation, with copper windings and insulation rated at 220 °C. It has a 150 °C temperature rise, supporting robust performance under heavy loads. This combination helps maintain reliability in automation cells, service cabinets, and plant environments with fluctuating ambient conditions.
Yes. The transformer is DOE 2016 Efficient and UL Listed, meeting modern energy‑use and safety standards. Additionally, it complies with 10 CFR Part 431 Efficient requirements, aligning with federal efficiency initiatives. These certifications support regulatory compliance, lower operating costs, and smoother procurement for energy‑aware facilities.
Ideal applications include automation panels, machine control cabinets, and plant distribution where 480 V to 208Y/120 V conversion is needed. It suits manufacturing lines, system integrator installations, and equipment rooms requiring reliable power isolation, compact footprint, and voltage regulation through taps. The rugged enclosure and high‑temperature insulation support outdoor or harsh indoor environments.
Maintenance focuses on periodic visual inspection, connection integrity, and load monitoring rather than routine winding servicing, thanks to copper windings and robust enclosure. ROI benefits come from DOE 2016 efficiency, UL listing, and reduced energy waste over time, plus improved uptime in automated processes due to stable voltage regulation and durable construction.