Eaton X48M28F33EENON Harmonic transformer - NEMA TP-1
Part Number: X48M28F33EENON
Quick Summary
Eaton Harmonic mitigating transformer delivers clean, balanced power for mission-critical loads in industrial facilities. Many plants struggle with harmonic distortion, voltage sags, and equipment wear that erode efficiency and uptime. UL Listed, NEMA TP-1 compliant, and designed for 115°C rise, it delivers safety, reliability, and long-term performance. As a 480 V primary, 208Y/120 V secondary, 300 kVA dry-type solution, it aligns with PV and utility distribution networks while minimizing maintenance and energy losses. This combination of robust protection, precise voltage regulation, and scalable output supports capital efficiency and smoother commissioning for modern electrical infrastructure.
Product Information
Extended Description
X48M28F33EENON Eaton: Eaton Harmonic mitigating transformer, PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 300 kVA, EE, NO, N
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28F33EENON
UPC
786680069604
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
2784 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
Aluminum
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
115 °C rise
Volt ampere rating
300 kVA
Special features
Electrostatically shielded
Weathershield
WS35
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - X48M28F33EENON
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 2 at +2.5% and 4 at -2.5% taps. Business Impact: precise voltage regulation under fluctuating load and input conditions, reducing downstream harmonics and protecting sensitive equipment. Application: data centers with variable PV generation and process lines requiring tight voltage control. Feature: 480 V primary / 208 Y/120 V secondary, three-phase, 60 Hz. Business Impact: standardized, reliable distribution for mixed loads, minimizing the need for multiple transformers. Application: industrial facilities and manufacturing lines with mixed equipment. Feature: 300 kVA rating with 115°C rise. Business Impact: high-capacity support in dense installations with improved thermal margins, lowering cooling costs and improving uptime. Application: facilities near capacity expansions or with high ambient temperatures. Feature: Aluminum windings, 919X frame, 201X wiring. Business Impact: durable, lighter-weight construction that eases handling and installation, reducing retrofit time. Application: new builds and retrofits in constrained plant spaces. Feature: Electrostatically shielded and WS35 Weathershield. Business Impact: enhanced EMI protection and weather resistance for outdoor or semi-exposed installations, reducing maintenance. Application: rooftops, outside equipment yards, or covered outdoor zones. Feature: UL Listed, NEMA TP-1 Compliant, NEMA TP-1 Efficient. Business Impact: compliance with safety and efficiency standards streamlines procurement and lowers risk. Application: regulated industrial environments and projects with strict vendor requirements.
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FAQs
For installation, plan for the 919X frame footprint and a 75 inch height with a 44.2 inch width, as well as a 36.23 inch depth. Ensure appropriate 201X wiring access, proper clearances for airflow, and secure mounting. Given its weight, use adequate lifting equipment and follow lockout/tagout procedures during connection to 480 V primary and 208Y/120 V secondary circuits.
The unit provides a 480 V primary, 208 Y/120 V secondary, three-phase configuration at 60 Hz with zero phase shift. It has a 300 kVA rating, 115°C rise, and voltage taps of +2.5% (2 taps) and -2.5% (4 taps) to accommodate voltage fluctuations. Aluminum windings and a dry-type construction support efficient, safe operation.
Yes. The 480 V to 208Y/120 V outputs, 300 kVA rating, and harmonic mitigation capability make it ideal for PV-heavy facilities and data centers where power quality and reliability are critical. The device’s electrostatic shielding and NEMA TP-1 efficiency further reduce losses and enhance uptime in mission-critical environments.
The transformer is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency noted in catalog notes. This combination supports safety, reliability, and energy efficiency, easing procurement in regulated industries and ensuring alignment with standard electrical distribution practices for commercial and industrial installations.
Maintenance focuses on periodic insulation checks, thermal performance monitoring, and verifying taps are within tolerance during commissioning. Harmonic mitigation reduces downstream equipment wear, potentially lowering maintenance costs and extending asset life. The built-in protection features, robust warranty terms, and standard-compliant construction support a favorable total cost of ownership in both retrofits and new builds.