Eaton Harmonic Transformer X48M28B22CUEENON - NEMA TP-1
Part Number: X48M28B22CUEENON
Quick Summary
Eaton Harmonic Transformer is a reliable dry-type distribution solution that mitigates harmonics while delivering clean 208Y/120 V power from a 480 V three-phase supply for sensitive equipment. This helps address voltage distortion, overheating, and unexpected equipment wear that throttle uptime. UL Listed and NEMA TP-1 compliant, with an 80 °C rise and copper windings, it pairs safety with robust performance. The design supports straightforward installation and long-term lifecycle cost savings, with compatible connections and a rugged frame. By incorporating this transformer, engineers strengthen power quality, ensure regulatory compliance, and reduce maintenance surprises across critical facilities.
Product Information
Extended Description
X48M28B22CUEENON Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 80°C rise, 225 kVA, Copper windings, EE, NON
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28B22CUEENON
UPC
786680043055
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3400 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
0 °
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
80 °C rise
Volt ampere rating
225 kVA
Special features
Electrostatically shielded
Weathershield
WS35
Feature: Copper windings provide high conductivity and thermal efficiency. Business Impact: Improved efficiency and reliability under load, reducing heat-related losses and maintenance intervals. Application: Data centers, manufacturing lines, and utility rooms where steady power is essential. Feature: Primary 480 V and secondary 208Y/120 V configuration. Business Impact: Simplified distribution, fewer transformer interconnects, and better component standardization. Application: Plant electrical rooms supplying mixed equipment rated at 208/120 V. Feature: 60 Hz three-phase operation with zero phase shift. Business Impact: Predictable performance and compatible with standard industrial power systems, lowering commissioning risk. Application: Large drives, controls, and motor stacks. Feature: Taps at +2.5% and -2.5% accommodate voltage variation without external regulators. Business Impact: Maintains load voltage within tight tolerances, improving downstream equipment life. Application: Sites with marginal utility voltage or supply fluctuations. Feature: 225 kVA rating and 80 °C rise. Business Impact: Sufficient headroom for medium-duty loads with reliable cooling, enabling scalable installs. Application: Mid-size facilities with harmonic amplification concerns. Feature: Copper coil, dry-type construction, and frame 919X. Business Impact: Durable, oil-free design with easy maintenance and robust protection against environmental ingress. Application: Indoor electrical rooms and spaces with tighter fire and ventilation controls. Feature: Weathershield WS35 and electrostatic shielding. Business Impact: Enhanced enclosure protection and reduced EMI, supporting outdoor or semi-exposed installations. Application: Outdoor-rated or industrial environments. Feature: UL Listed and NEMA TP-1 compliant. Business Impact: Regulatory peace of mind, documented performance, and faster project approvals. Application: Compliance-driven facilities and sectors with strict electrical standards. Feature: Wiring connection 201X and general specifications for compatibility. Business Impact: Streamlined installation and interchangeability with legacy equipment. Application: Retrofit projects and new builds with standardized panel layouts. Overall, these features address common objections about power quality, installation complexity, and ongoing maintenance, while offering tangible ROI through improved efficiency, extended equipment life, and regulatory confidence.
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FAQs
The X48M28B22CUEENON is a dry-type distribution transformer designed for indoor or semi-outdoor use with a 480 V three-phase primary and 208Y/120 V secondary. Install in a properly vented electrical room, ensure space for heat dissipation, and follow local codes. Use the 201X wiring connection and frame 919X mounting. Verify UL Listed and NEMA TP-1 compliance before energizing. Grounding practices should align with standard facility grounding schemes to minimize EMI and ensure safe operation.
Key specs include a 225 kVA rating, 60 Hz operation, three-phase configuration, 480 V primary, 208Y/120 V secondary, and 0° phase shift. The taps are +2.5% and -2.5%. The winding material is copper, with an 80 °C rise rating. It is UL Listed and NEMA TP-1 compliant, and designed as a dry-type, electrostatically shielded unit. These details help ensure predictable voltage regulation and harmonic mitigation in real-world loads.
Yes. The X48M28B22CUEENON is purpose-built as a harmonic mitigating transformer, ideal for data centers, manufacturing lines, and facilities with sensitive electronics. Its copper windings, tared taps, and 80 °C rise support stable power quality, reducing harmonic distortion and voltage sags. Its compact, frame-based design allows straightforward integration with existing panels and UPS systems while meeting UL and NEMA TP-1 standards.
This transformer is UL Listed and NEMA TP-1 compliant, with catalog notes indicating NEMA TP-1 efficiency. These certifications confirm adherence to recognized safety and efficiency standards, facilitating regulatory approvals, insurance compliance, and reliability in critical environments. They also reassure procurement teams that the product meets industry best practices for power quality and performance.
Warranty follows Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Maintenance considerations include routine visual inspection, connection tightening, and thermal monitoring to confirm operating temperatures stay within the 80 °C rise rating. The transformer’s copper windings and dry-type construction minimize oil handling, simplifying lifecycle management and lowering long-term upkeep costs.