Eaton N29M28T75 Transformer - K-13 K-Factor, UL Listed
Part Number: N29M28T75
Quick Summary
The Eaton N29M28T75 transformer is a K-Factor nonlinear ventilated transformer for three-phase power distribution in demanding industrial facilities. This design helps manage harmonic stress and inrush, reducing losses and preserving downstream equipment under mixed-load conditions. UL Listed certification confirms safety compliance, while a 150°C rise and 60 Hz operation ensure reliable performance in harsh environments. With aluminum windings, a rugged 916A frame, and Weathershield WS19, the unit is prepared for either protected indoor installations or more demanding outdoor applications. The combination of robust construction and Eaton’s transformer ecosystem delivers predictable efficiency, simplified maintenance, and strong compatibility with existing distribution networks—supporting uptime, scalability, and a favorable total cost of ownership.
Product Information
Extended Description
N29M28T75 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 208V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 75 kVA, Al windings , Elec. Shield, Frame: 916A
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M28T75
UPC
786680071393
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
801 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
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29M28T75
Feature: K-Factor nonlinear ventilated design and a high 150°C rise rating. Business Impact: enhanced cooling efficiency under non-linear loads reduces hotspot risk and extends insulation life. Application: ideal for facilities with non-linear loads such as variable-speed drives and power electronic equipment in manufacturing and data centers. Feature: 75 kVA rating with 208 V primary and 208Y/120 V secondary. Business Impact: standardized footprint, predictable loading, and smooth voltage transformation. Application: data centers, machine rooms, and process lines seeking reliable step-down/up power. Feature: Tap changes 2 at +2.5% FCAN and 4 at -2.5% FCBN. Business Impact: tighter voltage regulation and compensation for feeder drop, minimizing voltage imbalance. Application: installations with long feeders or fluctuating supply. Feature: Aluminum windings and electrostatic shield. Business Impact: lighter weight and EMI shielding for cleaner power delivery. Application: plant-wide distribution with EMI considerations. Feature: Weathershield WS19, 916A frame, UL Listed, and Eaton warranty. Business Impact: improved environmental protection and documented support for outdoor or harsh indoor environments. Application: rugged installations with long-term service expectations and easy serviceability within Eaton’s ecosystem.
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FAQs
Follow the manufacturer mounting footprint: depth 23.42 in, width 28.22 in, height 48.56 in, with proper clearance for ventilation. Connect to 208 V primary and 208Y/120 V secondary per Eaton guidelines, and use the taps correctly (2 at +2.5% FCAN, 4 at -2.5% FCBN). Verify shielding and WS19 protection during outdoor or semi-outdoor installation to meet safety and performance targets.
Key specs include a 75 kVA rating, 208 V primary, 208Y/120 V secondary, 60 Hz frequency, aluminum windings, frame 916A, and a 150°C rise. It features a K-Factor nonlinear ventilated design, UL Listed certification, and voltage taps at +2.5% and -2.5% for voltage regulation. These together support reliable operation under harmonic load conditions.
Yes, its WS19 weather shield and robust 916A frame are designed for environmental exposure when installed with approved protection. The unit’s 801 lb weight and ventilated construction support outdoor or semi-outdoor installation, provided appropriate enclosure and ventilation requirements are met. Always follow local electrical codes and manufacturer guidelines for outdoor use.
The N29M28T75 is UL Listed, which confirms compliance with recognized safety standards for electrical equipment. Its aluminum windings, high temperature rise rating, and voltage specifications are aligned with typical industrial requirements. For additional regulatory needs, verify project-specific certifications or regional codes, as requirements may vary by country and application.
Expected benefits include improved uptime from enhanced cooling under non-linear loads, reduced electrician time due to compatible Eaton ecosystem, and longer asset life thanks to controlled temperature rise. The 75 kVA rating and voltage regulation capability help minimize energy losses and voltage-related faults, contributing to a favorable total cost of ownership over the equipment’s service life.