Eaton X48M28F33CUEEPOS Harmonic mitigating transformer - UL Listed
Part Number: X48M28F33CUEEPOS
Quick Summary
Eaton Harmonic mitigating transformer X48M28F33CUEEPOS delivers essential harmonic filtering for 480 V three-phase power in industrial facilities. Engineers often contend with rising THD, overheating, and premature capacitor wear when harmonics aren’t controlled. UL Listed and NEMA TP-1 compliant, with a 115°C rise rating, this unit reinforces reliability in demanding environments. Its dry-type construction, copper windings, and robust frame support easy installation and long-term performance, while maintaining compatibility with PV 480 V and secondary 208Y/120 V systems. By integrating energy-aware design with practical field adaptability, it supports both safety and efficiency goals, empowering facilities to meet strict power quality requirements and reduce operational risk.
Product Information
Extended Description
X48M28F33CUEEPOS Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 300 kVA, Copper windings, EE, POS
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F33CUEEPOS
UPC
786680030567
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3500 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
919X
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Wiring connection
201X
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
300 kVA
Special features
Electrostatically shielded
Weathershield
WS35
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - X48M28F33CUEEPOS
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Harmonic mitigating design reduces harmonic distortion in 480 V three-phase systems. Business Impact: Improves power quality, protects sensitive loads, and lowers THD-related losses. Application: Industrial facilities with multiple VFDs and non-linear loads. The transformer’s performance translates into measurable efficiency gains and extended equipment life. Feature: Copper windings and electrostatically shielded construction. Business Impact: Higher thermal handling, better current-carrying capacity, and EMI suppression. Application: Data centers and manufacturing lines where electromagnetic interference can affect control systems. This combination supports consistent operation under heavy load while maintaining signal integrity. Feature: Dry-type with WS35 weathershield option. Business Impact: Outdoor installation capability with weather resilience, reducing enclosure requirements and installation costs. Application: Outdoor substations or factory gateways exposed to environmental exposure, enabling safer deployment. Feature: Tap settings and phase characteristics. Business Impact: Voltage regulation flexibility with +2.5% and -2.5% taps to maintain downstream voltage within tolerance, minimizing equipment stress. Application: Systems with fluctuating supply or transformer loading to preserve process stability and control accuracy. Feature: Compliance, efficiency, and warranty. Business Impact: NEMA TP-1 efficient design and UL Listed certification streamline procurement and regulatory alignment, backed by a straightforward warranty. Application: Projects requiring rapid approval and predictable maintenance planning, ensuring a clear ROI trajectory.
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FAQs
This is a dry-type transformer with a 919X frame and 201X wiring connection. Plan for adequate ventilation, suitable mounting space, and clearances per manufacturer guidelines. The unit supports outdoor use with WS35 Weather Shield where applicable and requires 60 Hz power and a three-phase supply with 480 V primary.
Key specs include 300 kVA VA rating, 480 V primary, 208 Y/120 V secondary, 60 Hz, three-phase with a 15° phase shift. It features copper windings, 115°C rise, taps at +2.5% and -2.5%, and electrostatic shielding for improved EMI control, all within a NEMA TP-1 efficient design.
Yes. It’s specifically designed to mitigate harmonics in 480 V three-phase systems and includes electrostatic shielding to reduce EMI. Combined with NEMA TP-1 efficiency and UL Listing, it supports reliable operation in facilities with drives and non-linear loads.
The unit is UL Listed and NEMA TP-1 Compliant, with a documented 115°C rise. Catalog notes also indicate NEMA TP-1 efficiency, which helps with energy compliance and lifecycle cost planning for industrial installations.
Warranty is Eaton Selling Policy 25-000, one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance includes periodic insulation and winding monitoring, visual inspections, and verification of taps, with attention to copper winding integrity and clean cooling pathways.