Eaton N48M28T49I4CUEE Nonlinear Ventilated Transformer - UL
Part Number: N48M28T49I4CUEE
Quick Summary
The Eaton N48M28T49I4CUEE nonlinear ventilated transformer delivers reliable power conditioning for 3-phase distribution in industrial facilities. Engineers struggle with harmonics, voltage sags, and space constraints; this unit helps stabilize supply and reduce downtime. Key certifications and standards include UL Listed status and NEMA TP-1 efficiency context, with a rugged NEMA 2 enclosure. Together, these attributes support compliance, predictable performance, and simplified maintenance for OEMs and industrial operators. The transformer’s copper windings and 150 kVA rating meet medium-power distribution needs while offering robust surge and fault-current handling. With a 480 V primary and 208Y/120 V secondary, it supports common industrial loads from HVAC and motors to control systems. The added 4-in window, copper construction, and taps for ±2.5% guide precise voltage regulation in fluctuating service conditions.
Product Information
Extended Description
N48M28T49I4CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 150 kVA, 4-in window, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T49I4CUEE
UPC
786680103001
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1431 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
NEMA TP-1 efficient, 4-inch IR viewing window
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
292A
Type
Nonlinear, ventilated transformer
Frame
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T49I4CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Three-phase 150 kVA design delivers scalable power conditioning for mid-size plant loads, reducing voltage fluctuations and improving equipment uptime in manufacturing lines. Application: data centers, packaging lines, and automation cells benefit from stable supply and reduced downtime. Feature → Tap settings with 2 at +2.5% and 4 at -2.5% provide fine voltage regulation, improving motor performance and PLC reliability under variable loads. Application: motor drives and critical controls in industrial environments. Feature → Copper windings offer higher conductivity and thermal efficiency, lowering I2R losses and enabling tighter temperature control. Application: energy-conscious facilities seeking operational cost reductions. Feature → NEMA 2 enclosure provides dust- and moisture-resistance in indoor installations, simplifying installation in harsh factory conditions. Application: switchgear rooms and outdoor-adjacent cabinets. Feature → 4-in IR viewing window accelerates maintenance checks and cooling assessments, reducing service time. Application: routine inspections and proactive maintenance programs. Feature → K-Factor nonlinear design mitigates harmonic distortion, supporting power quality in systems with nonlinear loads. Application: furnaces, drives, and other non-linear load scenarios. The combination of these features supports compliance with industry standards while delivering measurable gains in efficiency, reliability, and total cost of ownership.
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FAQs
This three-phase transformer is designed for indoor dry locations with a NEMA 2 enclosure, copper windings, and a 4-in viewing window for quick visual checks. Plan for adequate clearance, proper mounting in frame 917, and correct wiring connection 292A to ensure safe access and ease of maintenance. Consider space for cooling and cable routing from 480 V primary to 208Y/120 V secondary.
Key specs include a 150 kVA rating, 60 Hz frequency, primary 480 V, secondary 208Y/120 V, and a 3-phase configuration. Tap settings are 2 at +2.5% and 4 at -2.5%, enabling voltage regulation under varying load. Copper windings provide efficient current handling, and the 150°C rise insulation supports reliable operation in demanding environments.
Ideal for industrial power distribution near motor drives, PLC-controlled equipment, and HVAC systems. Its K-Factor nonlinear design helps mitigate harmonics from nonlinear loads, improving power quality in manufacturing lines and data centers. The combination of robust enclosure and viewing window supports maintenance in control rooms and machine bays.
UL Listed certification confirms product safety and compliance for industrial installations. NEMA TP-1 efficiency alignment indicates performance expectations for energy use. The NEMA 2 enclosure design adds environmental protection suitable for indoor dry locations, contributing to reliability and compliance in equipment rooms and process areas.
Expect low maintenance due to copper windings and solid insulation; the 4-in viewing window simplifies routine checks. The 150 kVA rating and voltage regulation helps reduce downtime and energy waste, delivering better asset utilization and potential ROI through improved equipment availability and reduced harmonic-related issues.