Eaton N29R28F49 Nonlinear ventilated transformer - K-Factor
Part Number: N29R28F49
Quick Summary
The Eaton N29R28F49 nonlinear ventilated transformer delivers robust voltage conditioning for three‑phase power systems. In busy plants, engineers struggle with heat buildup, harmonic distortion, and space constraints that threaten uptime. Certifications are verified by Eaton through direct manufacturer documentation, with standard approvals confirmed upon request. This design supports reliable operation in data centers, manufacturing lines, and utility feeders, helping you meet performance targets while reducing risk and lifecycle costs. By combining advanced magnetic design with durable enclosure options, this transformer enables smoother commissioning and long-term maintenance planning.
Product Information
Extended Description
N29R28F49 Eaton: Eaton Nonlinear ventilated transformer KT-13 Three-phase 208 DELTA 1 at +5% FCAN 2 at -5% FCBN 208Y/120V 115°C 150 kVA Aluminum windings 918A 287A WS34 Electrostatically shielded 60 Hz
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28F49
UPC
786680111709
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1706 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
Contact Manufacturer
Coil material
Aluminum
Wiring connection
287A
Type
Nonlinear ventilated transformer
Design
KT-13
Frame
918A
Tap size
1 at +5% FCAN, 2 at -5% FCBN
Frequency rating
60 Hz
Kva Rating
150 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 - N29R28F49
Feature → Business Impact → Application: The N29R28F49 employs a K-Factor nonlinear design to mitigate harmonic currents, improving overall system reliability and reducing equipment wear in transformer-fed loads; this translates to fewer nuisance trips and lower maintenance costs for complex automation suites. Application: ideal for data centers, automation floors, and manufacturing lines where harmonic distortion can compromise control precision and energy efficiency. Feature → Business Impact → Application: With a 150 kVA rating at 60 Hz and a 208 V primary to 208Y/120 V secondary, the unit delivers consistent power conditioning for motor drives, control panels, and PLC racks, enabling tighter voltage regulation and improved start-up performance. Application: enhances uptime in conveyors, presses, and CNC cells. Feature → Business Impact → Application: Aluminum windings reduce weight relative to copper and support efficient heat dissipation, contributing to easier handling during installation and lower ongoing cooling loads in factory environments. Application: beneficial for retrofit projects in space-limited switchgear rooms. Feature → Business Impact → Application: Electrostatic shielding and WS34 weather shielding address EMI concerns and outdoor installation challenges, helping facilities meet EMI/EMC standards and extend outdoor service life. Application: outdoor substations, remote motor control centers, and weather-exposed equipment areas. Feature → Business Impact → Application: The +5% / -5% tap capability provides precise voltage control under fluctuating loads, minimizing voltage drop on critical loads and enabling reliable operation of sensitive electronics in automation networks. Application: data-intensive automation cells and precision equipment lines. Feature → Business Impact → Application: KT-13 design with 918A frame and 287A wiring connection supports straightforward installation within existing footprints, reducing integration time and enabling faster commissioning in new or expanded facilities.
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FAQs
The N29R28F49 uses a 287A wiring connection and comes in a KT-13 design with a 918A frame. It is a three-phase transformer rated for 150 kVA with a 208 V primary and 208Y/120 V secondary, designed for standard indoor or weather-protected installations. For proper mounting, ensure space for a footprint of roughly 30.68 in (length) × 62.18 in (height) × 31.44 in (width) and allow adequate clearance for overheating and access to protection devices.
Yes. The transformer is described as a nonlinear (K-Factor) ventilated design, specifically intended to address harmonic currents common in loads like drives and PLC-based controllers. This helps limit distortion and improve voltage quality downstream, contributing to longer equipment life and steadier control performance in manufacturing environments.
The N29R28F49 features electrostatic shielding and is configured with WS34 weather shield options. These features help reduce EMI susceptibility and provide protection in outdoor or harsh environments, improving reliability of critical automation equipment exposed to varying weather conditions.
Warranty terms follow Eaton’s policy 25-000: one year from the installation date, or eighteen months from shipment, whichever occurs first. For specific regional coverage or extended service options, contact Eaton directly; documentation is available to confirm applicability in your location and installation scenario.
Official resources include Eaton’s Commercial Distribution transformer catalog (Volume 2, Tab 2), the Eaton Specification Sheet for N29R28F49, and the Transformer Flex Center video. You can access the catalog at Eaton’s site and download the datasheet here: https://www.eaton.com/us/en-us/skuPage.N29R28F49.pdf, plus the catalog and multimedia assets linked in the product data. These documents provide detailed electrical ratings, configurations, and installation recommendations.