Eaton N29M28T50EE Transformer - UL Listed, NEMA TP-1 efficient
Part Number: N29M28T50EE
Quick Summary
Eaton N29M28T50EE Transformer is a three-phase K-Factor nonlinear ventilated transformer designed for reliable power distribution in industrial facilities. This unit helps manage harmonic currents and voltage distortion that plague modern equipment, reducing downtime and unnecessary energy loss. It carries UL Listed certification and is NEMA TP-1 compliant, with NEMA TP-1 efficient catalog notes for optimized operation. The transformer features a 50 kVA rating, 208 V primary, and 208Y/120 V secondary, with taps at +2.5% and -2.5%, enabling quick voltage fine-tuning to your load. For project teams, the combination of robust insulation, aluminum windings, and electrostatic shielding translates to improved reliability, simpler maintenance, and smoother retrofits in existing power systems.
Product Information
Extended Description
N29M28T50EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 208V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 50 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M28T50EE
UPC
786680093876
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
553 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
Coil material
Aluminum
Frame
914D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
50 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29M28T50EE
Feature: K-Factor nonlinear ventilated transformer design → Business Impact: Helps mitigate harmonic currents and voltage distortion, improving uptime and protecting sensitive loads → Application: Suitable for manufacturing lines, data centers, and PLC-controlled equipment where harmonics are common. Feature: Ventilated cooling with 150°C rise capability → Business Impact: Enhances thermal performance under load diversity, extending insulation life and reducing thermal derating → Application: Heavy-load industrial environments and variable-speed drives where heat is a concern. Feature: Tap settings (+2.5% / -2.5%) → Business Impact: Enables quick voltage regulation to accommodate supply variance and unequal loading → Application: Power distribution in facilities with mixed panel voltages and long feeder runs. Feature: Aluminum coil material in a 914D frame (22 in depth, 29 in width, 39 in height) → Business Impact: Durable, corrosion-resistant windings with a compact form factor that streamlines installation and reduces maintenance intervals → Application: Retrofit into existing switchgear/update projects where footprint and reliability matter. Feature: Electrostatic shielding and WS39 weather shield availability → Business Impact: Reduces stray capacitance and offers outdoor-ready protection, lowering insulation stress and extending service life → Application: Outdoor enclosures, outdoor equipment rooms, and harsh environments. Feature: UL Listed and NEMA TP-1 compliant with NEMA TP-1 efficient catalog notes → Business Impact: Demonstrates regulatory compliance and efficiency, simplifying procurement and reducing lifecycle costs → Application: Facilities pursuing code compliance, energy rebates, and long-term operating cost containment.
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FAQs
The N29M28T50EE uses a 914D frame with dimensions around 22 in depth by 29 in width and 39 in height, weighing approximately 553 lb. Provide a stable, level mounting surface with adequate clearance for ventilation and access to taps and connection points. For outdoor or harsh environments, consider the WS39 weather shield to protect the unit and preserve insulation integrity.
This unit is rated for a 208 V primary input and a 208Y/120 V secondary output, operating at 60 Hz with a 50 kVA three-phase rating. It features voltage taps at +2.5% and -2.5% to fine-tune output under varying load conditions and supply fluctuations.
Yes. The N29M28T50EE is designed as a K-Factor nonlinear ventilated transformer, which mitigates harmonic currents and reduces voltage distortion that can upset sensitive loads, improving reliability in environments with variable drive loads and nonlinear equipment.
It is UL Listed and NEMA TP-1 compliant, with catalog notes indicating NEMA TP-1 efficiency. These certifications support regulatory compliance and energy‑efficiency expectations for industrial installations.
The warranty follows Eaton’s policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports preventive maintenance planning and straightforward risk management for capital equipment.