Eaton X48M28B75CUEETHR Dry-type Transformer - NEMA TP-1
Part Number: X48M28B75CUEETHR
Quick Summary
Eaton X48M28B75CUEETHR harmonic mitigating transformer provides clean, reliable power conditioning for data centers, manufacturing floors, and critical control systems. Many facilities struggle with harmonic distortion, voltage fluctuations, and heat buildup that shorten equipment life and disrupt production. UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficient catalog notes, this transformer supports regulatory compliance while delivering efficient energy use in demanding environments. Its 75 kVA rating, 480 V primary, and 208Y/120 V secondary configuration are paired with copper windings and an 80 °C rise to handle steady, mission-critical loads. The optional voltage taps at +2.5% and -2.5% enable precise regulation without additional gear, making it a practical, scalable choice for power management and distribution strategies.
Product Information
Extended Description
X48M28B75CUEETHR Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 80°C rise, 75 kVA, Copper windings, EE, THR
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28B75CUEETHR
UPC
786680042843
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1045 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
916A
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
80 °C rise
Volt ampere rating
75 kVA
Special features
Electrostatically shielded
Weathershield
WS19
Feature — Copper windings and electrostatic shielding reduce stray currents and EMI, delivering higher power quality and lower operating losses. Business impact — Improved efficiency, extended asset life, and reduced maintenance for drives, PLCs, and control cabinets. Application — Data centers, robotics cells, and process controls in manufacturing environments benefit from stable voltage and minimized interference. Feature — 75 kVA rating with 480 V primary and 208Y/120 V secondary, plus taps at +2.5% and -2.5% for voltage regulation. Business impact — Maintains output within tolerance during grid swings, reducing nuisance trips and downtime. Application — Panel boards, motor control centers, and multi-load distribution in plants. Feature — Three-phase, 60 Hz operation with a -30° phase shift. Business impact — Enhanced harmonic balance and efficient operation under heavy or variable loads. Application — Large machine lines and coordinated drives in production facilities. Feature — Weathershield WS19, copper windings, and electrostatic shielding. Business impact — Better environmental protection and EMI containment, supporting compliance in harsh indoor/outdoor spaces. Application — Outdoor transformer enclosures and exposed installations in industrial settings. Feature — Compliance framework: UL Listed, NEMA TP-1 compliant with catalog notes indicating efficiency. Business impact — Regulatory assurance, safer operation, and easier procurement alignment with corporate standards. Application — Facilities requiring formal certifications and documented standards. Feature — Compact footprint and robust construction: 23.42 in L, 28.22 in W, 48.56 in H; 1045 lb. Business impact — Easier retrofit, room planning, and service accessibility. Application — Transformer rooms and limited-space distribution areas in manufacturing environments.
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FAQs
Installation requires a suitable transformer rack or pad, proper clearances, and correct wiring using the 203X connection as listed. Connect the 480 V primary to the upstream distribution bus and the 208Y/120 V secondary to the control panels or motor circuits. Use the available taps (+2.5% and -2.5%) to fine-tune voltage under load changes. Follow all applicable NFPA, NEC, and local electrical codes, and verify grounding and EMI considerations given the device’s copper windings and shielding.
The unit uses copper windings with electrostatic shielding and a design that balances the 480 V primary with a 208Y/120 V secondary, plus a -30° phase shift. These features help reduce harmonic distortion and EMI, improving power quality for sensitive drives and PLCs. UL Listing and NEMA TP-1 compliance further support reliability and regulatory alignment in demanding industrial environments.
Yes. The transformer features Weathershield WS19 protection and copper windings designed for integration in exposed or harsh environments. While installation locations should still meet standard enclosure and climate requirements, the WS19 protection helps resist moisture and contaminants, supporting dependable operation in outdoor or semi-outdoor transformer rooms commonly found on plant perimeters.
The unit is UL Listed and NEMA TP-1 compliant, with catalog notes indicating NEMA TP-1 efficiency. These credentials verify safety, reliability, and efficiency, aligning with building codes and utility requirements. For facilities with strict regulatory or procurement standards, these certifications simplify audits, warranty claims, and maintenance planning while ensuring predictable performance.
By delivering cleaner power with lower losses, the X48M28B75CUEETHR reduces heat generation and equipment wear, extending the life of downstream drives and controls. The voltage taps allow precise regulation without extra gear, minimizing downtime and maintenance. In energy cost terms, improved efficiency and reduced nuisance tripping translate to lower operating expenses over the asset’s life.