Eaton N29R48T12CUEE Power Transformer - NEMA TP-1
Part Number: N29R48T12CUEE
Quick Summary
Eaton N29R48T12CUEE Power Transformer is a K-Factor nonlinear ventilated transformer used in 3-phase electrical distribution for industrial facilities. Engineers often struggle with voltage regulation and thermal management in compact electrical rooms, and this unit's 208 V primary to 480 V delta secondary with fixed taps (+5% / -5%) helps stabilize supply while controlling heat. It is UL Listed and NEMA TP-1 compliant, with a copper-windings design that supports efficiency and reliability. This transformer also aligns with rugged, site-based installation needs, offering a 1250 lb footprint, WS19 weather shielding, and a 150 °C rise rating. In practice, contractors gain smoother commissioning, predictable performance, and lower total cost of ownership in automation and power distribution.
Product Information
Extended Description
N29R48T12CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 208V, Taps: 1 at +5%/2 at -5%, SV 480 delta, 150°C rise w/ 200°C insulation systeam, 112.5 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R48T12CUEE
UPC
786680097072
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1250 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
916A
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
480 delta
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 - N29R48T12CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The K-Factor nonlinear ventilated design delivers improved harmonics management and thermal performance, reducing equipment stress and extending service life for critical loads in manufacturing lines and data centers. Feature → Business Impact → Application: Tap settings of 1 at +5% and 2 at -5% enable precise voltage regulation at the point of use, minimizing voltage drops and equipment chatter in control panels and distribution centers. Feature → Business Impact → Application: Copper windings provide lower copper loss, higher efficiency, and better longevity, translating to measurable energy savings and long-term maintenance reduction in continuous operations. Feature → Business Impact → Application: 150 °C rise with a 200 °C insulation system supports dense installations and aggressive ambient conditions, enabling flexible footprint planning in tight electrical rooms. Feature → Business Impact → Application: Electrostatic shielding and WS19 weather shield expand suitability for indoor and protected outdoor environments, reducing protective enclosures costs and enabling safer outdoor installations in industrial plants. Feature → Business Impact → Application: UL Listed and NEMA TP-1 compliant certification underpin regulatory alignment, risk mitigation, and faster project approval for panel builders and integrators.
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FAQs
The N29R48T12CUEE is a 112.5 kVA, three‑phase transformer with 208 V primary and 480 V delta secondary. It uses copper windings, weighs 1250 lb, and comes in a 916A frame. Plan for proper mounting, adequate clearance, and cooling, and use the +5% / -5% taps to adjust voltage. Confirm panel bus ratings and ensure UL Listed compliance before commissioning.
Key specs include 112.5 kVA, 60 Hz, three-phase operation, primary 208 V, secondary 480 V delta, copper windings, 150 °C rise with a 200 °C insulation system, frame 916A, and taps of +5% / -5%. It is UL Listed and NEMA TP-1 compliant, making it suitable for demanding industrial use.
Yes, the transformer features WS19 weather shielding and electrostatic shielding, enhancing protection in varied environments. While primarily designed for protected indoors, the WS19 shield supports outdoor or semi-exposed installations with appropriate enclosure and climate considerations.
The N29R48T12CUEE is UL Listed and NEMA TP-1 compliant, with catalog notes indicating NEMA TP-1 efficiency. These certifications help meet safety and efficiency requirements, streamline approvals, and reduce project risk on industrial sites.
Copper windings and robust ventilation contribute to higher efficiency and lower operating losses, supporting a favorable total cost of ownership. The discriminator features, such as taps and protective shielding, reduce voltage-related equipment stress and maintenance intervals while meeting stringent industry standards.