Eaton X48M28B12CUEENON Harmonic Transformer - NEMA TP-1
Part Number: X48M28B12CUEENON
Quick Summary
Eaton Harmonic Mitigating Transformer delivers clean power conditioning for three-phase 480 V systems used in PV plants and industrial facilities. Engineers often struggle with harmonic distortion, overheating, and efficiency losses when harmonics from inverters and motors stress the bus. UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency certification, this unit delivers reliable performance in demanding environments. With copper windings and a rugged dry-type frame, it supports flexible tapping and robust installation in space-constrained sites, enabling procurement aligned with UL safety requirements and improved total cost of ownership through improved efficiency and protection for critical loads.
Product Information
Extended Description
X48M28B12CUEENON Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 80°C rise, 112.5 kVA, Copper windings, EE, NON
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28B12CUEENON
UPC
786680043031
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1628 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
917
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
80 °C rise
Volt ampere rating
112.5 kVA
Special features
Electrostatically shielded
Weathershield
WS34
Feature → Business Impact → Application: The X48M28B12CUEENON is a three-phase 480 V primary to 208Y/120 V secondary, 112.5 kVA dry-type transformer with an 80 °C rise. This combination reduces harmonic currents and stabilizes voltages, improving equipment reliability in manufacturing lines and data centers. In practice, engineers see fewer voltage fluctuations and cooler operation across loads, which translates to longer motor life and reduced maintenance overhead for critical processes. Application: data centers, industrial automation floors, and PV-integrated facilities gain predictable power quality and service continuity. Feature → Business Impact → Application: Tap settings include 2 at +2.5% and 4 at −2.5%, enabling precise voltage regulation across fluctuating loads. This minimizes equipment stress and failsafe triggers, supporting tighter voltage budgets in sensitive automation equipment. Application: control panels near high-harmonic loads and coastal facilities with variable utility voltage. Feature → Business Impact → Application: Copper windings in a robust dry-type frame deliver superior thermal performance and lower winding resistance, reducing heat-related losses. This supports compact installation in retrofit projects and enhances overall efficiency. Application: modernization of legacy plants or new automated lines where space is a constraint. Feature → Business Impact → Application: 200X wiring connection and a Weather shield WS34 option allow flexible, outdoor-ready installations. This reduces start-up time and protects transformers in harsh environments, aiding quick deployment in outdoor substations and industrial campuses. Feature → Business Impact → Application: compliance and safety are reinforced by UL Listed and NEMA TP-1 compliant specifications, plus NEMA TP-1 efficient labeling. This simplifies procurement, commissioning, and regulatory alignment for engineers and specifiers. Application: industrial facilities undergoing audits or new-builds with strict compliance requirements.
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FAQs
The X48M28B12CUEENON is designed for 480 V three-phase service with a 208Y/120 V secondary. It uses a 200X wiring connection and a copper-wound dry-type construction, with a 24.67 in length, 56.17 in height, and 31.44 in width. Ensure proper clearance for heat dissipation and install within the WS34 weather shield if exposed to outdoor environments. Confirm UL listing and NEMA TP-1 compliance before commissioning.
Key specs include a 112.5 kVA rating, 60 Hz frequency, three-phase configuration, 0° phase shift, 480 V primary, and 208Y/120 V secondary. It features two taps at +2.5% and four taps at −2.5% for voltage regulation, and an 80 °C rise rating with copper windings for reliable thermal performance in demanding installations.
Yes. The transformer's harmonic mitigation capability, combined with its NEMA TP-1 efficiency and UL listing, makes it well-suited for PV inverters, data centers, and mixed-load environments where harmonic distortion and power quality are critical concerns. The rugged dry-type construction supports placement in space-constrained automation facilities.
The unit is UL Listed and NEMA TP-1 Compliant, with NEMA TP-1 efficiency certification. These certifications simplify supplier qualification, ensure regulatory alignment, and reduce risk during audits or compliance reviews, accelerating procurement cycles for regulated industries.
Maintenance for a dry-type copper-wound transformer is typically minimal, involving periodic insulation and connection checks. ROI is driven by improved power quality, reduced harmonic-related losses, and extended equipment life, along with potential energy savings from NEMA TP-1 efficiency and reduced downtime in critical processes.