Eaton N29R28B12CUEE Nonlinear Ventilated Transformer - UL
Part Number: N29R28B12CUEE
Quick Summary
Eaton N29R28B12CUEE is a nonlinear ventilated transformer designed for three-phase power distribution in industrial facilities. Engineers often struggle with voltage stability and overheating under heavy loads, which can disrupt production and shorten equipment life. UL Listed safety certification and NEMA TP-1 compliance provide reliable protection and efficiency benchmarks for critical electrical rooms. Designed for 208 V primary and 208Y/120 V secondary service, copper windings, and 112.5 kVA capacity, it aligns with facility modernization goals while offering strong compatibility with 208V distribution schemes and copper-wound reliability.
Product Information
Extended Description
N29R28B12CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 208V, Taps: 1 at +5%/2 at -5%, SV 208Y/120V, 80°C rise, 112.5 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28B12CUEE
UPC
786680071300
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1996 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
Copper
Frame
918A
Tap size
1 at +5% FCAN, 2 at -5% FCBN
Frequency rating
60 Hz
Volt ampere rating
112.5 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208 Y/120 V
Temperature rise
80 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29R28B12CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: K-Factor nonlinear ventilated design enhances harmonic handling and thermal performance. Business Impact: Reduces voltage distortion under non-linear loads and extends insulation life, cutting maintenance costs. Application: Ideal for process plants and automated manufacturing lines where non-sinusoidal currents are common. Paragraph 2: Feature: 112.5 kVA three-phase rating with 208 V primary and 208Y/120 V secondary. Business Impact: Delivers reliable, scalable power for distribution panels and equipment rooms, minimizing bottlenecks. Application: Suitable for factory electrical rooms and panel boards in heavy industrial environments. Paragraph 3: Feature: Copper windings and 80 °C rise. Business Impact: Copper windings offer low resistive losses and high conductivity; the 80 °C rise provides a comfortable thermal margin for continuous operation. Application: High-load manufacturing equipment and critical line feeds. Paragraph 4: Feature: Tap size 1 at +5% and 2 at -5%. Business Impact: Voltage regulation flexibility reduces nuisance trips and protects sensitive loads. Application: Installations with voltage fluctuations, including data centers and automation cells. Paragraph 5: Feature: UL Listed, NEMA TP-1 compliant, NEMA TP-1 efficient with WS34 weathershield. Business Impact: Compliance supports procurement requirements and reduces risk; efficiency lowers energy losses. Application: Deployment in outdoor or harsh environments and general industrial spaces. Paragraph 6: Feature: Frame 918A; dimensions 30.68 in L × 31.44 in W × 62.18 in H and weight 1996 lb. Business Impact: Facilitates on-site planning, mounting, and clearances for retrofit or new-build projects. Application: Plant rooms, switchgear assemblies, and heavy-duty distribution applications.
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FAQs
The N29R28B12CUEE is a three-phase transformer designed for panel boards and electrical rooms. Plan for its frame size 918A, approximate footprint (30.68 in L × 31.44 in W × 62.18 in H) and 1996 lb weight. Ensure proper mounting clearance, WS34 weather protection if outdoors, and adherence to NEMA TP-1 compliance for safe operation.
Key specs include a 112.5 kVA rating, 60 Hz frequency, 208 V primary, 208Y/120 V secondary, copper windings, and 80 °C rise. Taps are +5% and −5% to support voltage regulation, enabling stable output under varying input conditions in industrial environments.
Yes. With a 112.5 kVA three-phase rating and 208 V primary feeding 208Y/120 V secondary, it supports mid-to-large factory loads. The copper windings and ventilated design improve thermal management for continuous operation, while the +/− tap options help stabilize voltage to sensitive automation equipment.
The transformer is UL Listed and NEMA TP-1 compliant, with additional notes indicating NEMA TP-1 efficiency. These certifications support safety, reliability, and energy efficiency requirements for industrial installations and procurement specifications.
Warranty is Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This aligns with standard protection for mid-to-large industrial assets, complemented by Eaton's technical support resources for installation, commissioning, and ongoing maintenance.