Eaton X48M28F33CUEETHR Harmonic Transformer - UL Listed
Part Number: X48M28F33CUEETHR
Quick Summary
Eaton harmonic transformer mitigates harmonics in 480 V three-phase power for clean 208Y/120 V distribution. A common pain point is voltage distortion that leads to equipment trips and efficiency losses. UL Listed, NEMA TP-1 compliant, and NEMA TP-1 efficient design choices position this transformer as a reliable, high-performance solution for regulated power quality. With copper windings and electrostatic shielding, it supports PV and non-PV loads while delivering predictable business value. This unit helps facilities reduce maintenance costs and improve uptime, translating to lower total cost of ownership and improved process reliability.
Product Information
Extended Description
X48M28F33CUEETHR 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, THR
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F33CUEETHR
UPC
786680042959
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3894 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
203X
Frequency rating
60 Hz
Phase
Three-phase
Phase shift
-30 °
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
Feature: Harmonic mitigation and copper windings improve power quality and equipment life. Business Impact: Reduced harmonic distortion lowers the risk of misoperation and overheating, extending motor life and enabling compliant operation in sensitive electrical bays. Application: Data centers and high-load manufacturing lines that demand stable voltage and low acoustic/thermal stress. Long-tail keywords: harmonic mitigation in three-phase power, copper windings, power quality improvement. Feature: 480 V primary to 208Y/120 V secondary with 300 kVA rating and -30° phase shift. Business Impact: Maintains voltage accuracy under varying load, supports critical loads, and offsets harmonic currents for cleaner downstream power. Application: Commercial facilities and PV-integrated sites; Long-tail keywords: 480 V primary, 208Y/120 V secondary, phase shift -30°. Feature: Tap changer with 2 at +2.5% and 4 at -2.5%. Business Impact: Precise voltage regulation during fluctuating input or loading, reducing equipment stress and outages. Application: Uninterruptible plant sections and variable-speed drives; Long-tail keywords: voltage regulation, tap settings +2.5% / -2.5%. Feature: Frame 919X, 36.23 in length, 75 in height, 44.2 in width, weight 3894 lb; Dry-type copper-coil transformer. Business Impact: Robust, space-planning aware footprint with durable construction suitable for indoor electrical rooms; Application: Large distribution rooms and retrofit projects; Long-tail keywords: EE frame 919X, dry-type transformer, copper windings. Feature: Weathershield WS35, electrostatically shielded design. Business Impact: Enhanced environmental protection and EMI control for harsher environments or outdoor-adjacent installations; Application: Industrial plants and climate-controlled spaces; Long-tail keywords: Weathershield WS35, electrostatically shielded, outdoor-ready. Feature: Compliance and safety features (UL Listed, NEMA TP-1 compliant, NEMA TP-1 efficient). Business Impact: Simplified procurement with regulatory alignment, reduced risk during audits, and energy-loss reductions; Application: Utility-grade installations and data centers; Long-tail keywords: UL Listed transformer, NEMA TP-1 compliant, NEMA TP-1 efficient.
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FAQs
The X48M28F33CUEETHR is a three-phase transformer rated for 480 V primary and 208Y/120 V secondary with a 300 kVA capacity. It uses copper windings and a 203X wiring connection. It also features taps at +2.5% (2 taps) and -2.5% (4 taps) to accommodate voltage variations. Suitable for 60 Hz operation and -30° phase shift scenarios, this unit supports reliable, regulated output for sensitive downstream equipment.
This transformer is UL Listed and complies with NEMA TP-1 standards, including NEMA TP-1 efficiency as noted in Eaton catalogs. These certifications confirm safety, performance, and energy efficiency for commercial and industrial installations, helping with regulatory compliance and procurement.
The unit uses an EE frame 919X with dimensions approximately 36.23 in long, 75 in tall, and 44.2 in wide. Weighing about 3894 lb, it requires a reinforced mounting area and appropriate clearance for service access. Being a dry-type transformer with electrostatic shielding, it is suited for indoor installation in dedicated electrical rooms or protected spaces.
Warranty is governed by Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. In practice, customers can expect standard field support options and access to Eaton service documentation and replacement parts to maintain uptime.
Ideal for PV-integrated facilities, data centers, and industrial plants with sensitive loads, this unit mitigates harmonics, maintains voltage quality, and improves reliability. Its 480 V to 208Y/120 V output, 300 kVA rating, and copper windings support critical distribution needs while meeting compliance requirements and enabling predictable ROI through reduced maintenance and downtime.