Eaton X48M28F49TCUEEPOS Transformer - UL Listed NEMA TP-1
Part Number: X48M28F49TCUEEPOS
Quick Summary
Eaton Harmonic mitigating transformer solves harmonic distortion in 480V installations, delivering clean, stable power for industrial and commercial systems. Harmonics can trigger nuisance trips, overheating, and accelerated component wear, driving up maintenance costs and reducing uptime. It carries UL Listed safety, NEMA TP-1 efficient performance, and a 115°C rise rating for reliability in demanding environments. As a dry-type distribution transformer with copper windings, it enables safe indoor installation and robust power distribution. For project teams, the 150 kVA rating and selectable taps help maintain voltage tolerance across fluctuating supplies, delivering consistent performance and reducing energy waste across a facility.
Product Information
Extended Description
X48M28F49TCUEEPOS Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 150 kVA, Thermal indicator, Copper windings, EEPOS
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F49TCUEEPOS
UPC
786680028687
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1800 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
200X
Frequency rating
60 Hz
Phase
Three-phase
Phase shift
15 °
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 - X48M28F49TCUEEPOS
Feature: Harmonic mitigating transformer with copper windings. Business impact: Improves power quality and equipment life by reducing harmonic currents and heat buildup in 480V systems. Application: Data centers, manufacturing floors, and PV installations needing stable power delivery. This combination lowers maintenance costs and extends asset life. Feature: Tap changer with 2 taps at +2.5% and 4 taps at -2.5%. Business impact: Maintains voltage accuracy amid supply fluctuations, reducing risk of equipment nuisance trips and voltage-related performance loss. Application: Facilities with variable utility voltage or long feeders. Industry context: helps maintain panel performance and uptime without oversized protection. Feature: Primary 480 V and secondary 208Y/120 V with 60 Hz three-phase operation and 15° phase shift. Business impact: Directs reliable distribution to common industrial loads while preserving system phase relationships. Application: Panelboards, motor control centers, and auxiliary power stages in plants and data facilities. Feature: Dry-type construction with copper windings and electrostatically shielded design. Business impact: Safer indoor installation, lower fire risk, and improved insulation life. Application: Environments requiring stringent safety standards, such as data centers and clean rooms. Feature: Weathershield WS34 and integral thermal indicator with 115°C rise. Business impact: Enhanced environmental protection and proactive maintenance, reducing unscheduled downtime. Application: Outdoor or semi-enclosed spaces where weather exposure and heat rise are concerns. Feature: Compliance and efficiency credentials (UL Listed, NEMA TP-1 efficient). Business impact: Simplifies regulatory compliance and energy optimization strategies for facilities pursuing green and compliant infrastructure. Application: Corporate campuses and regulated industries seeking reliable, auditable performance.
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FAQs
Plan for standard 200X wiring connections and ensure adequate clearances around the 918A frame. The unit is copper-winded and dry-type, with WS34 weather shield options for environmental exposure. Verify ambient temperature limits and provide appropriate support for the 1800 lb weight during handling and installation to ensure safe, code-compliant setup.
The X48M28F49TCUEEPOS is engineered as a harmonic-mitigating transformer with a 150 kVA rating and copper windings, designed to limit harmonic currents and associated heat. Expect reduced transformer and switchgear overheating, smoother voltage profiles, and improved equipment uptime in systems with significant nonlinear loads.
Yes. With a 480 V primary and 208Y/120 V secondary, three-phase 60 Hz operation, and selectable taps, it supports critical IT and auxiliary loads while maintaining voltage stability. Its UL Listed and NEMA TP-1 efficient design aligns with data center power quality requirements and solar PV integration challenges in mixed-use facilities.
The unit is UL Listed and NEMA TP-1 efficient, signaling compliance with safety and energy efficiency standards. These certifications simplify procurement for regulated industries, support safe indoor installation, and help meet corporate sustainability targets by reducing energy waste and improving overall system efficiency.
Key maintenance benefits include an integral thermal indicator and a 115°C rise rating, enabling proactive monitoring and avoidance of heat-related failures. The 25-000 warranty (one year from installation or 18 months from shipment) provides initial risk mitigation, while improved power quality and reduced downtime contribute to a favorable return on investment for mission-critical facilities.