Eaton X48M28F49CUEENONS3P Harmonic mitigating transformer-UL
Part Number: X48M28F49CUEENONS3P
Quick Summary
Harmonic mitigating transformer is engineered to improve power quality by reducing distortion and enabling stable, clean 480 V to 208Y/120 V distribution for critical loads. For engineers, the challenge isn’t just delivering voltage, it’s maintaining reliability under varying harmonic profiles and loading conditions. This Eaton unit aligns with UL Listed safety and NEMA TP-1 efficiency expectations while offering copper windings and a robust 150 kVA rating to support steady performance in commercial and PV-driven environments. Its dry-type construction simplifies installation in protected spaces, lowers maintenance concerns, and supports flexible tap settings to adapt to system swings. Together, these attributes translate to reduced energy waste and improved system uptime for mission-critical applications.
Product Information
Extended Description
X48M28F49CUEENONS3P Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 150 kVA, Copper windings, EE, NONS3P
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F49CUEENONS3P
UPC
786680063350
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
2093 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, 160kA per phase SPD on Secondary with indicator light
Coil material
Copper
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Wiring connection
200X
Frequency rating
60 Hz
Phase
Three-phase
Phase shift
0 °
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Volt ampere rating
150 kVA
Special features
Electrostatically shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - X48M28F49CUEENONS3P
Feature → Business Impact → Application: Copper windings reduce I2R losses and thermal rise, improving efficiency and lifespan in continuous operation; this enables lower operating costs and longer transformer life in data centers and production floors. Feature → 2 at +2.5% / 4 at -2.5% taps provides better voltage regulation to compensate for line drop and peak loads, supporting stable downstream equipment performance in PV inverters and manufacturing lines. Feature → 150 kVA rating delivers ample headroom for medium-sized loads, reducing the need for parallel transformers and simplifying cabinet design in industrial plants. Feature → NEMA TP-1 efficiency and UL Listed certification ensure compliance with electrical codes and utility requirements, reducing procurement risk and speeding commissioning. Feature → Electrostatic shielding and WS34 weather shield enable safe indoor and protected outdoor installation, improving reliability in harsh environments. Feature → Dry-type design with copper windings, 60 Hz three-phase operation, and a 115 °C rise enable predictable performance with low maintenance, ideal for modern industrial automation and HVAC systems. Feature → Tap changers and precise primary/secondary voltages (480 V to 208Y/120 V) facilitate compatibility with a wide range of equipment and vintage boards, simplifying integration in legacy facilities while supporting future upgrades. Insight → In real-world deployments, investing in a purpose-built harmonic mitigating transformer reduces harmonic-related overheating and extends service intervals, delivering measurable uptime and energy efficiency improvements for critical processes.
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FAQs
The unit uses a 200X wiring connection and a 918A frame, with copper windings and three-phase 60 Hz operation. It supports standard dry-type installation in protected spaces and can be paired with WS34 weather shielding for outdoor or adverse environments, ensuring compatibility with typical low- and medium-voltage switchgear setups.
This transformer is designed to mitigate harmonic distortion in three-phase 60 Hz systems, helping to maintain voltage quality and reduce overheating. The 150 kVA rating, copper windings, and NEMA TP-1 efficiency support reliable operation, while the secondary 160 kA per phase SPD with indicator light provides overvoltage protection and rapid fault indication.
Yes. With a 480 V primary and 208Y/120 V secondary, three-phase configuration, and tap capability (+/- 2.5%), this model is well-suited for PV inverters and data centers where clean power is critical. Its dry-type construction and 115 °C rise support indoor or sheltered outdoor placements, aligning with typical utility and facility requirements.
The unit is UL Listed and adheres to NEMA TP-1 efficiency standards, ensuring safety and compliance with relevant electrical codes. The catalog notes also highlight an electrostatically shielded design and a 160 kA per phase secondary SPD, which support robust protection and reliability.
The transformer features copper windings for durability and low resistance, a 115 °C rise for reliable thermal management, and a 150 kVA rating to minimize the need for parallel units. Eaton’s warranty guidance (one year from installation or 18 months from shipment) offers initial risk protection while the dry-type design typically requires minimal routine maintenance for long-term uptime.