Eaton NT20P11F15CUEE Transformer - UL Listed
Part Number: NT20P11F15CUEE
Quick Summary
The Eaton NT20P11F15CUEE transformer is a single‑phase power solution designed for industrial control panels and distribution gear. It delivers reliable voltage transformation with K‑Factor nonlinear performance to protect sensitive electronics in demanding environments. Engineers often wrestle with balancing efficiency, thermal rise, and installation complexity in compact panels, and this model addresses those pain points with precise taps, copper windings, and a robust electrostatic shield. UL Listed and NEMA TP‑1 compliant, it also aligns with modern efficiency standards. By integrating NEMA TP‑1 efficiency attributes and compact footprint considerations, this transformer supports safer installations, lower energy losses, and longer service life, reducing total cost of ownership for industrial facilities.
Product Information
Extended Description
NT20P11F15CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (1-phase), PV 240 x 480V, Taps: 1 at +5%/2 at -5% x 2 at +2.5%/4 at -2.5%, SV 120/240V, 115°C rise, 15 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11F15CUEE
UPC
786680060731
Product Length/Depth
20.36 in
Product Height
37.59 in
Product Width
22.89 in
Product Weight
411 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
818
Tap size
1 at +5% FCAN, 2 at -5% FCBN x 2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
15 kVA
Phase
Single-phase
Primary voltage
240 x 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Special features
Electrostatically shielded
Weathershield
WS11
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - NT20P11F15CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The NT20P11F15CUEE uses copper windings and a 60 Hz core design to reduce energy losses while delivering consistent voltage under load, improving overall system efficiency and reliability in automation cabinets. This translates to lower heat generation, reduced cooling requirements, and longer component life in harsh production environments. Feature → Business Impact → Application: With 1-phase 15 kVA rating and taps at +5% / -5% and +2.5% / -2.5%, operators gain flexible voltage adaptation for diverse machines and control circuits, simplifying installation and enabling safe, compliant integration in mixed-voltage systems found in warehouses and manufacturing lines. Feature → Business Impact → Application: Electrostatic shielding and WS11 weather protection noise suppression enhance fault tolerance and uptime, supporting outdoor or damp environments while maintaining performance, essential for outdoor or retrofit projects. Feature → Business Impact → Application: NEMA TP‑1 efficiency and UL Listed certification provide regulatory confidence and vendor credibility, helping procurement and compliance teams meet internal standards and external audits with minimal risk. Feature → Business Impact → Application: Copper coil construction and a robust frame (818) support rugged operation and easier maintenance, reducing replacement cycles and service costs in demanding process lines and packaging operations.
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FAQs
When installing the NT20P11F15CUEE, ensure adequate ventilation to manage the 115 °C rise rating and provide sufficient clearance for cooling. Wire the copper windings correctly to the 240/480 V primary and 120/240 V secondary, select the appropriate taps for your load, and follow NEMA TP-1 and UL Listed installation guidelines to maintain compliance and performance.
The NT20P11F15CUEE is UL Listed and NEMA TP‑1 compliant, with NP‑class efficiency and a 115 °C rise rating. It also carries NEMA TP‑1 efficiency notes in catalog data, ensuring regulatory alignment for industrial panels and systems. These certifications help validate safety, reliability, and energy performance for audits and procurement reviews.
Yes. The transformer is rated for 60 Hz operation with a primary voltage of 240 x 480 V and a secondary of 120/240 V, delivering up to 15 kVA in a single‑phase configuration. The multiple tap options (+5%, -5%, +2.5%, -2.5%) enable voltage compensation to match load requirements and improve regulation.
The K‑Factor nonlinear design enhances fault tolerance and reduces magnetizing inrush, improving reliability under transient or high‑demand loading. This is particularly valuable in automation cabinets and machinery lines where surges occur, helping to protect downstream components and reduce nuisance tripping while maintaining efficiency.
With UL Listed certification, NEMA TP‑1 efficiency, and copper windings, the NT20P11F15CUEE minimizes energy losses and heat, lowering cooling costs and extending component life. The 25-000 warranty (one year from installation or 18 months from shipment) provides assurance, while the robust frame and shielding reduce maintenance needs and downtime in production environments.