Eaton N29R28T49A K-Factor transformer - UL Listed
Part Number: N29R28T49A
Quick Summary
Eaton N29R28T49A K-Factor nonlinear ventilated transformer is designed for reliable three-phase power distribution in demanding industrial settings. This model helps mitigate voltage fluctuations and thermal stress that challenge uptime in plants, data centers, and large facility systems. UL Listed certification, 60 Hz compatibility, and a 150°C rise support safe, compliant operation in harsh environments, while the WS34 weather shield reinforces outdoor resilience. In practice, this transformer integrates with standard 208 V to 208Y/120 V secondary configurations, delivering consistent performance and simplifying maintenance planning for engineering teams and procurement specialists seeking long-term total cost of ownership improvements.
Product Information
Extended Description
N29R28T49A 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, 150°C, 150 kVA , Al windings , Elec. Shield, Frame: 918A, uses WS34
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28T49A
UPC
786680014543
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1361 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
150 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29R28T49A
Feature → Business Impact → Application: K-Factor nonlinear design reduces harmonic distortion under heavy loading, stabilizing voltage and extending equipment life, which lowers maintenance costs and improves process reliability in critical automation systems. Feature → Aluminum windings with an electrostatic shield improve thermal performance and EMI protection, enabling closer cabinet spacing and safer operation in densely packed control rooms. Feature → 60 Hz, 150 kVA, three-phase rating with taps at +5% and -5% FCAN/FCBN provides precise voltage regulation across a range of incoming conditions, reducing equipment stress and eliminating unnecessary downtime in facilities with fluctuating supply. Feature → Ventilated frame 918A and WS34 weathershield deliver robust cooling and outdoor capability, expanding installation options from indoor substations to outdoor equipment yards with confidence. Feature → Primary 208 V and secondary 208Y/120 V compatibility streamlines system integration, offering plug‑and‑play compatibility with existing power-distribution schematics and minimizing rework during retrofit projects. This combination supports faster commissioning, improved safety margins, and a clear path to scalable power management as demand grows.
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FAQs
The N29R28T49A is a three-phase, 150 kVA transformer with a substantial footprint and weight. Plan for dedicated transformer pads or inside a purpose-built enclosure with adequate ventilation. Ensure clearance for cooling air flow, access for maintenance, and proper cable routing to support the WS34 weathershield and aluminum windings. Verify mounting compatibility with standard 918A frame sizing and confirm wiring terminations align with your panel hardware and local codes.
This model provides a 208 V primary and 208Y/120 V secondary configuration with taps at +5% FCAN and -5% FCBN. This enables voltage regulation to compensate for supply drift and minor load changes, helping to maintain stable downstream voltages and protect connected equipment from over- or under-voltage conditions in fluctuating grids.
Yes. The N29R28T49A is equipped with WS34 weathershield for outdoor applications and a ventilated design that supports robust cooling in non-ideal environments. Aluminum windings and an electrostatic shield further enhance safety and EMI performance, making it a strong candidate for outdoor substations, factories with open-air equipment bays, and other harsh environments.
The unit carries UL Listed certification, confirming compliance with recognized electrical safety standards. This certification supports risk mitigation in regulated facilities. In addition, its 60 Hz rating and 150°C rise specification align with common industrial standards for reliability in continuous-duty power distribution systems.
With aluminum windings, a shielded design, and a 150 kVA rating, maintenance focuses on insulation integrity, cooling performance, and connection integrity at the taps. The rugged frame and weather protection reduce site maintenance disruptions and extend service intervals, contributing to lower lifecycle costs and improved uptime in high-demand environments.