Eaton N48M28F33EELS52 K-Factor nonlinear ventilated transformer - UL Listed
Part Number: N48M28F33EELS52
Quick Summary
The Eaton N48M28F33EELS52 K-Factor nonlinear ventilated transformer is a 300 kVA, three-phase power conversion solution designed for 480 V to 208Y/120 V distribution in demanding industrial environments. Engineers face harmonic distortion, noise, and space constraints when upgrading power systems, and this unit addresses those challenges with robust engineering and proven performance. It is UL Listed and NEMA TP-1 compliant, with electrostatic shielding and a WS35 weather shield to support both indoor and outdoor installations, while maintaining dependable output. By combining precise voltage regulation, scalable taps, and a compact footprint for its capacity, this transformer helps you meet uptime and compliance goals while optimizing total cost of ownership. This makes it well-suited for data centers, machine rooms, and manufacturing lines seeking reliability and efficiency.
Product Information
Extended Description
N48M28F33EELS52 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 300 kVA, EE, LS, 52
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F33EELS52
UPC
786680045615
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3269 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, Low sound equal to 52 dB
Coil material
Aluminum
Frame
920E
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
300 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 52 dB
Special features
Electrostatically Shielded
Weathershield
WS35
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F33EELS52
Feature → Business Impact → Application: K-Factor nonlinear design mitigates harmonic currents, improving power quality and extending equipment life in systems with substantial non-linear loads; Application: data centers and automated lines where harmonics are a concern. Feature → 300 kVA three-phase rating with 480 V primary and 208Y/120 V secondary delivers essential control and essential load power with scalable performance; Application: medium-to-large manufacturing lines and distribution hubs. Feature → Tap changes: 2 at +2.5% and 4 at -2.5% enable voltage compensation for fluctuating supply, reducing voltage-related downtime and protecting sensitive equipment; Application: critical plant sections and systems with variable input voltages. Feature → 115 °C rise and rugged frame (920E) with aluminum coil material provide durable, high-load operation and lighter handling relative to copper options; Application: long-term installations with limited cooling or space. Feature → Electrostatic shielding and WS35 Weathershield support EMI reduction and outdoor capability, improving reliability in harsh environments; Application: outdoor transformers or equipment near sensitive controls. Feature → NEMA TP-1 efficiency and UL Listed certifications ensure regulatory compliance and qualified procurement, lowering risk and enabling smoother audits; Application: regulated industrial facilities and facilities management programs. Feature → Low sound specification of 52 dB and compact physical footprint (75 in height, 44.2 in width, 36.23 in depth) support installation in noise-conscious or space-constrained environments; Application: plant floors adjacent to offices or data-center corridors. Feature → One-year warranty (or 18 months from shipment) provides protection against manufacturing defects, supporting maintenance planning and ROI assessments; Application: procurement and asset management programs.
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FAQs
Plan for a 300 kVA, 3-phase layout with ample clearance around the transformer for heat dissipation. The unit’s dimensions (75 in H, 44.2 in W, 36.23 in D) and weight (3269 lb) require appropriate mounting and handling equipment. Utilize the WS35 weather shield for outdoor or harsh environments and ensure compliance with NEMA TP-1 guidelines. Verify compatibility with your existing bus rating and available space in the electrical room.
The transformer features a 480 V primary and a 208Y/120 V secondary, designed for 60 Hz operation. This configuration supports a wide range of industrial loads while enabling clean, regulated power to control systems, drives, and essential equipment across manufacturing lines.
It is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency notes and a low sound rating of 52 dB. These certifications ensure regulatory alignment, safe operation, and suitability for regulated industrial environments.
The product carries Eaton’s warranty of one year from installation or eighteen months from shipment, whichever comes first. For maintenance planning, rely on the robust construction, electrostatic shielding, and proven components to minimize unplanned downtime and extend service intervals.
Ideal for data centers, machine rooms, and high-demand manufacturing lines needing harmonic control and reliable, efficient power. With features like K-Factor nonlinear design, 52 dB low noise, and rugged outdoor-ready options, the unit supports uptime, reduces harmonic-related losses, and improves overall plant efficiency, delivering a favorable total cost of ownership.