Eaton N29R28F22A Transformer - UL Listed K-13
Part Number: N29R28F22A
Quick Summary
Eaton N29R28F22A transformer provides K-Factor nonlinear performance for high‑demand industrial power distribution. Engineers wrestle with harmonics and heat in large loads, and this unit helps manage both. UL Listed safety certification ensures compliance for electrical installations, while the K-13 design supports robust performance. This model's 225 kVA rating, 208 V primary, and 208Y/120 V secondary deliver scalable power for data centers and manufacturing lines. The ventilated frame and aluminum windings support efficient cooling in crowded electrical rooms, reducing downtime risk. With field-adjustable taps and a rugged 918A frame, installation is straightforward in existing systems, enhancing uptime. Overall, it supports compliant, efficient power distribution while offering data-center-grade reliability for critical loads.
Product Information
Extended Description
N29R28F22A Eaton: K-Factor Non Linear Transformer, Ventilated, K-13, Three-phase, PV: 208V, Taps: 1 at +5% FCAN, 2 at -5% FCBN, SV: 208Y/120V, 115°C, 225 kVA , Al windings , Elec. Shield, Frame: 918A, uses WS34
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28F22A
UPC
786680014628
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1500 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.
Certifications
UL Listed
Catalog Notes
Model A
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
918A
Tap size
1 at +5% FCAN, 2 at -5% FCBN
Frequency rating
60 Hz
Kva Rating
225 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29R28F22A
Feature: K-Factor nonlinear transformer design. Business Impact: reduces harmonic heating and improves stability under nonlinear loads. Application: ideal for data centers and manufacturing lines with heavy power electronics. Feature: Ventilated frame with WS34 weathershield. Business Impact: enhances cooling capacity and weather protection, extending service life. Application: outdoor installations or harsh environments where ambient conditions affect performance. Feature: Aluminum windings. Business Impact: lowers weight and cost while maintaining electrical performance for large kVA applications. Application: modular data centers and industrial facilities seeking easier handling. Feature: Tap size options (+5% and -5%). Business Impact: provides voltage headroom to compensate for supply variations, reducing voltage-related downtime. Application: systems with fluctuating input voltages or long feeders. Feature: 60 Hz, three-phase operation. Business Impact: aligns with standard industrial power grids, simplifying integration. Application: general purpose plant distribution and manufacturing lines. Feature: Electrostatic shield and frame 918A. Business Impact: improves noise immunity and mechanical robustness for demanding environments. Application: critical loads and systems requiring reliable fault isolation. Feature: Weathershield WS34 integration. Business Impact: extends life in moist or corrosive facilities, reducing maintenance cycles. Application: chemical plants, steel mills, and heavy industry.
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FAQs
Ensure a three-phase 60 Hz supply with 208 V primary and access to 208Y/120 V secondary. Plan for the 30.68 in depth, 62.18 in height, and 31.44 in width, with room for airflow around the ventilated frame and WS34 weather shield where applicable. Installers should leverage the +5% and -5% taps to manage supply variations and ensure proper clearance for connections and maintenance.
The K-Factor nonlinear design reduces overheating and voltage distortion under nonlinear load conditions, improving reliability and extending transformer life. It is particularly beneficial for facilities with power electronics, drives, or converters, where harmonics can otherwise increase thermal stress and energy losses.
Yes. With a 225 kVA rating, three-phase configuration, and 208 V to 208Y/120 V outputs, it supports critical loads common in data centers and manufacturing lines. Aluminum windings, electrostatic shielding, and a robust 918A frame enhance cooling, protection, and uptime in demanding environments.
The N29R28F22A is UL Listed, ensuring compliance with electrical safety standards. This designation supports safe integration into standard industrial and commercial power distributions; confirm any site-specific regulatory requirements with your compliance team.
A one-year warranty (or eighteen months from shipment) provides initial protection against defects. Its ventilated design, durable frame, and low-maintenance components like aluminum windings help minimize servicing needs, contributing to uptime and total cost of ownership in high-load environments.