Eaton X48M28F12CUEEPOS Harmonic Transformer - UL Listed
Part Number: X48M28F12CUEEPOS
Quick Summary
The Eaton Harmonic mitigating transformer X48M28F12CUEEPOS lowers harmonic distortion for PV distribution at 480 V. Harmonics in large electrical systems can drive overheating, nuisance tripping, and reduced equipment life, making robust power conditioning essential. UL Listed, NEMA TP-1 compliant, and NEMA TP-1 efficient certifications help ensure safety, reliability, and energy efficiency in demanding environments. Designed for three-phase 60 Hz operation, copper windings, and a 112.5 kVA rating, this transformer supports scalable power management and distribution workflows, while easing procurement for engineers and maintenance teams. Its integration-friendly features and industry-standard compliance translate into measurable efficiency gains, reduced risk, and improved grid performance for modern facilities.
Product Information
Extended Description
X48M28F12CUEEPOS Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 112.5 kVA, Copper windings, EE, POS
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F12CUEEPOS
UPC
786680030505
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
15 °
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Volt ampere rating
112.5 kVA
Special features
Electrostatically shielded
Weathershield
WS34
Feature: 112.5 kVA three-phase transformer with 480 V primary and 208Y/120 V secondary; Business Impact: Delivers reliable, clean power for sensitive loads in PV installations and industrial facilities, reducing voltage distortion and improving equipment uptime; Application: Ideal for commercial and utility-scale PV distribution at 60 Hz with precise secondary voltages. Feature: Copper windings in a dry-type configuration; Business Impact: Enhances thermal performance and long-term durability, supporting lower maintenance costs and higher reliability in harsh environments; Application: Dry-type transformers deployed in indoor switchgear and outdoor enclosures within power management and distribution systems. Feature: Tap changer with 2 taps at +2.5% and 4 taps at -2.5%; Business Impact: Enables fine voltage regulation to accommodate load swings and supply variations, cutting energy waste and minimizing nuisance trips; Application: Critical in facilities with variable PV input and fluctuating line conditions. Feature: Phase shift of 15 degrees and 60 Hz operation; Business Impact: Improves harmonic cancellation and power quality in three-phase networks, boosting efficiency and reducing cross-coupling issues; Application: Industrial plants and data centers that require clean downstream power. Feature: Electrostatic shielding and WS34 Weather Shield; Business Impact: Provides added protection against electrical interference and environmental exposure, extending service life; Application: Outdoor or harsh indoor environments where reliability is paramount. Feature: 200X wiring connection, frame 917; Business Impact: Simplifies installation, compatibility with common switchgear, and fast retirement of spare parts; Application: Standardized deployments in new builds or retrofit projects within power distribution systems. Feature: NEMA TP-1 compliant and UL Listed; Business Impact: Ensures regulatory alignment, safer operation, and easier procurement with confidence in performance; Application: Compliance-driven installations in commercial, industrial, and grid-connected applications. Feature: 115°C rise rating; Business Impact: Higher ambient tolerance translates to more robust operation under peak loads; Application: Environments with elevated temperatures or high duty cycles. Feature: Weathershield WS34; Business Impact: Provides outdoor protection and longevity for transformer installations; Application: Outdoor substations and exposed equipment rooms. Feature: Warranty and support; Business Impact: One-year from installation (or 18 months from shipment) reduces lifecycle risk and simplifies vendor coordination; Application: Purchases requiring clear service terms and quick support for ongoing operations.
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FAQs
This transformer is a three-phase dry-type unit with a 480 V primary and 208Y/120 V secondary, designed for PV system power conditioning. Wiring is compatible with 200X connections and uses copper windings for efficient heat dissipation. It supports standard 60 Hz operation and aligns with NEMA TP-1 and UL listings to ensure proper integration with existing switchgear and protection schemes.
The unit is engineered as a harmonic mitigating transformer with a 15° phase shift to help cancel distortion in three-phase systems. Practical benefits include reduced harmonic currents, lower overheating risk, fewer nuisance trips, and improved downstream equipment life—crucial for PV, data centers, and manufacturing environments.
Yes. The transformer features WS34 weather protection and an electrostatically shielded design, making it suitable for outdoor substations or semi-exposed indoor locations. The 115°C rise rating further supports operation in elevated ambient conditions, while NEMA TP-1 compliance reinforces durable, code-aligned performance.
This model is UL Listed and NEMA TP-1 Compliant, with NEMA TP-1 efficiency noted in catalog notes. These certifications help meet safety, reliability, and efficiency requirements common in industrial, commercial, and PV-driven installations, simplifying procurement and inspection processes.
The device carries Eaton’s warranty policy of one year from installation or eighteen months from shipment, whichever occurs first, ensuring support during initial operation. Its copper windings and robust dry-type construction reduce maintenance frequency, while the 115°C rise rating and protective features support long service life in demanding conditions.