Eaton X48M28T49CUEETHR Harmonic Transformer - UL Listed
Part Number: X48M28T49CUEETHR
Quick Summary
Eaton harmonic mitigating transformer is designed to reduce harmonic distortion in three-phase systems for industrial facilities and data centers. Poor power quality accuracy can lead to overheating, nuisance trips, and reduced equipment life, increasing downtime and maintenance costs. UL Listed and NEMA TP-1 compliant, this transformer also meets efficiency expectations with NEMA TP-1 efficiency characteristics. As a dry-type distribution solution with copper windings and robust 150 kVA ratings, it delivers reliable power quality while integrating smoothly with standard 480 V primary and 208Y/120 V secondary configurations, supporting efficient, scalable electrical infrastructure for growing operations.
Product Information
Extended Description
X48M28T49CUEETHR Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 150 kVA, Copper windings, EE, THR
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28T49CUEETHR
UPC
786680042881
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1910 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.
Compliances
NEMA TP-1 Compliant
Certifications
UL Listed
Catalog Notes
NEMA TP-1 efficient
Coil material
Copper
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Wiring connection
203X
Frequency rating
60 Hz
Phase
Three-phase
Phase shift
-30 °
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Volt ampere rating
150 kVA
Special features
Electrostatically shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - X48M28T49CUEETHR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: This dry-type, copper-wound transformer delivers reliable, low-loss performance at 150 kVA, reducing energy waste and extending equipment life in manufacturing lines and data centers. Application: In facilities requiring stable 480 V to 208Y/120 V conversion, it supports consistent operation of critical loads while mitigating harmonics that can trigger downstream issues. Feature → Business Impact → Application: Tap settings at +2.5% and -2.5% enable precise voltage tuning to match site conditions, improving voltage compliance and minimizing equipment stress in sensitive automated systems. Application: Ideal for installations with fluctuating supply or sensitive servo drives. Feature → Business Impact → Application: Phase shift of -30° helps minimize system resonance and improve power factor in large three-phase networks, reducing cooling loads and capacitor bank stress in industrial plants. Application: Suitable for data centers and process facilities with mixed loads. Feature → Business Impact → Application: Electrostatic shielding and a robust 150°C rise insulation system enhance EMI protection and reliability in EMI-sensitive environments. Application: Offices, labs, or clean rooms near high-power equipment. Feature → Business Impact → Application: The WS34 weather shield option expands outdoor installation potential, enabling external transformer placement with maintained protection, reducing indoor footprint and facilitating outdoor plant layouts. Application: Outdoor electricalrooms and remote substations. Finally, UL Listed and NEMA TP-1 compliant design provides recognized safety and performance benchmarks, supporting compliance-driven projects and maintenance programs.
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FAQs
Plan for a footprint of about 30.68 in length, 62.18 in height, and 31.44 in width with a weight of roughly 1910 lb. Ensure adequate ventilation and clearance for heat dissipation, and verify wiring compatibility using the 203X connection. The unit is a dry-type transformer with copper windings and can be installed indoors or with optional WS34 weather shielding for outdoor use.
Key specs include a 150 kVA rating with 480 V primary input and 208Y/120 V secondary output, three-phase operation at 60 Hz, a phase shift of -30 degrees, and taps at +2.5% / -2.5%. It uses copper windings in an EE frame (918A) and provides a 150°C rise with a 200°C insulation system, supporting reliable operation under demanding loads.
Yes. It is explicitly described as a harmonic mitigating transformer, designed to reduce harmonic distortion in medium-to-large three-phase systems. Its copper windings, electrostatic shielding, and compliance with UL Listed and NEMA TP-1 standards help maintain power quality for critical loads such as servers, drives, and automation equipment.
The unit is UL Listed and compliant with NEMA TP-1 standards, including TP-1 efficiency notes. These certifications support compliance with electrical codes and industry practices for reliable, energy-efficient operation in commercial and industrial installations.
Benefits include improved power quality, reduced stray harmonics, and longer equipment life due to stable voltage and phase relationships. The 150 kVA rating supports scalable loads, while UL/NEMA TP-1 compliance reduces regulatory risk. The warranty follows Eaton’s policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first.