Eaton N29M28T12EE Nonlinear Transformer - NEMA TP-1
Part Number: N29M28T12EE
Quick Summary
Eaton N29M28T12EE transformer is a K-Factor nonlinear ventilated transformer designed for three-phase power distribution. Engineers often face heat, efficiency losses, and compliance hurdles when scaling power under peak loads, impacting uptime and operating costs. This unit is UL Listed and NEMA TP-1 compliant, featuring a 150°C rise profile for heavy-duty service and electrostatic shielding that enhances reliability in demanding environments. With 208 V primary and 208Y/120 V secondary, it fits standard industrial power distribution, while its modular taps provide ±2.5% adjustments to adapt to voltage swings. Together, these attributes translate into measurable energy efficiency improvements, reduced maintenance, and lower total cost of ownership.
Product Information
Extended Description
N29M28T12EE 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, 112.5 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M28T12EE
UPC
786680046636
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
943 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
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% 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
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS19
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29M28T12EE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The K-Factor nonlinear design delivers robust performance under non-linear loads, reducing voltage distortion and heat generation, which translates to improved equipment uptime and lower energy waste in manufacturing lines. This enables safer panels and more predictable operation in automation racks and switchgear assemblies. Feature → Application: Three-phase configuration at 112.5 kVA supports scalable distribution in mid-sized plants, enabling compact, centralized transformer banks and simplified commissioning in process lines and packaging facilities. Feature → Application: Aluminum coil construction reduces weight and improves corrosion resistance in outdoor or semi-indoor installations, while the 916A frame and WS19 weather shield support reliable service in industrial environments. Feature → Application: Tap adjustments (+2.5% and -2.5%) offer precise voltage regulation to compensate for supply fluctuations, minimizing equipment stress and protecting sensitive controls in line conveyors and CNC cells. Feature → Application: UL Listed and NEMA TP-1 compliant design provides safety and regulatory assurance, complemented by documented efficiency (NEMA TP-1 efficient) for ongoing compliance and lower life-cycle costs.
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FAQs
Install the N29M28T12EE on a level, vibration-free surface with adequate clearance for ventilation and cable access. Connect the 208 V primary to the supply bus and the 208Y/120 V secondary to the load panels. Use the ±2.5% taps to regulate voltage within tolerances, and ensure frame 916A mounting aligns with plant standards. Verify UL/TP-1 labeling and secure the WS19 weather shield if installed outdoors. Finally, consult the Eaton catalogs for torque specs and commissioning procedures to optimize performance and safety.
The transformer is 112.5 kVA, three-phase, with a 208 V primary and 208Y/120 V secondary, operating at 60 Hz. It supports taps: 2 at +2.5% and 4 at -2.5% to accommodate voltage variation. Construction features aluminum coil, frame 916A, and a 150°C rise with a 200°C insulation system, suitable for demanding industrial environments.
Yes. The N29M28T12EE is UL Listed and NEMA TP-1 compliant, meeting safety and efficiency standards for distribution transformers. This combination helps ensure regulatory alignment, safer operation, and reduced risk in industrial installations. It is also noted as NEMA TP-1 efficient, supporting energy performance goals while maintaining reliability.
Ideal for automation panels, machine centers, and process lines requiring stable voltage and robust efficiency. Its 208 V to 208Y/120 V three-phase configuration suits plant-wide power distribution, while taps and shielding support reliable operation in panels close to heavy loads. It is well-suited for manufacturing facilities, packaging lines, and automated material handling environments.
The product carries Eaton’s warranty policy 25-000, covering one year from installation or eighteen months from shipment, whichever occurs first. For support, refer to Eaton’s selling policies and the provided specification sheets and catalogs. Additional datasheets and the Transformer Flex Center can aid in installation planning and ongoing maintenance.