Eaton N29M47T12EE Transformer - NEMA TP-1 Efficient
Part Number: N29M47T12EE
Quick Summary
The Eaton N29M47T12EE transformer provides reliable three-phase power conversion for 208 V to 480Y/277 V critical loads. Engineers frequently face harmonic stress, overheating, and space constraints, but its K-Factor nonlinear design and ventilated frame mitigate these challenges. UL Listed and NEMA TP-1 compliant with NEMA TP-1 efficiency, plus a WS19 weathershield and aluminum windings, enhance durability and compliance. With a 112.5 kVA rating and 150 °C rise, the unit supports scalable systems and delivers a strong ROI through efficiency and longevity.
Product Information
Extended Description
N29M47T12EE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 208V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 112.5 kVA, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M47T12EE
UPC
786680076787
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
947 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
480 Y/277 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 - N29M47T12EE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: K-Factor nonlinear design (KT-13) minimizes harmonic distortion under non-linear loads. This reduces circulating harmonics in sensitive equipment and improves overall system efficiency. Application: ideal for drives, power electronics, and mixed-load panels in manufacturing and data centers.\n\nFeature: Ventilated construction and a 150 °C rise rating deliver robust thermal performance. This allows higher continuous loading with lower risk of overheating, reducing cooling costs. Application: dense switchgear rooms or outdoor installations where ambient temperatures vary.\n\nFeature: 112.5 kVA, 60 Hz, three-phase configuration with 208 V primary and 480Y/277 V secondary. This supports scalable power distribution for mid-size facilities while maintaining stable voltage regulation. Application: distribution feeders in industrial plants, processing lines, and critical equipment bays.\n\nFeature: Tap settings of 2 at +2.5% and 4 at -2.5% enable voltage tailoring. This minimizes voltage dip risk downstream and reduces regulator interactions. Application: installations with long feeders or fluctuating utility voltages.\n\nFeature: Aluminum coil and frame 916A with WS19 weathershield and UL Listing plus NEMA TP-1 compliance. This durable construction ensures extended life in harsh environments and straightforward regulatory acceptance. Application: outdoor panels, damp facilities, and installations requiring UL/NEMA certification.\n\nFeature: Documentation and warranty support including Catalog notes (NEMA TP-1 efficient) and Eaton’s policy 25-000. This lowers total cost of ownership through documented performance and reliable service. Application: procurement planning, installer onboarding, and maintenance planning.
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FAQs
The N29M47T12EE is designed for a 208 V three-phase supply with a 480Y/277 V secondary.Refer to the datasheet for exact terminal assignments and the +2.5% / -2.5% tap settings. Ensure proper clearance for ventilation, secure mounting, and adherence to UL/NEMA guidelines. Use appropriate lugs and protection devices sized around the 112.5 kVA rating and observe torque specs for coil terminals.
Key specs include 112.5 kVA rating, 60 Hz frequency, primary 208 V, secondary 480Y/277 V, three-phase configuration, aluminum windings, and a 150 °C rise. It also features taps at +2.5% and -2.5%, UL Listed, and NEMA TP-1 compliant with WS19 weather shield. Ensure compatibility with your bus, protection, and cooling strategy.
Yes. It employs a K-Factor nonlinear design (KT-13) to mitigate harmonic currents commonly produced by drives and power electronics. This improves voltage regulation, reduces overheating, and protects downstream equipment, making it well suited to facilities with mixed-load panels and dynamic processes.
It is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency noted in catalog notes. The warranty follows Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever comes first, providing protection against early failures and support during commissioning.
Leverage the WS19 weathershield for outdoor or damp environments, and use the +/− tap settings to minimize voltage regulation needs. Aluminum windings reduce maintenance and weight, while the 150 °C rise rating supports high ambient conditions. Pair with proper protection, cooling, and preventative maintenance to achieve predictable uptime and lower life-cycle costs.