Eaton NT20P11F1516CU Transformer - UL Listed, NEMA TP-1
Part Number: NT20P11F1516CU
Quick Summary
The Eaton NT20P11F1516CU Transformer is a reliable single-phase power transformer designed for industrial control panels and distribution nodes. It helps address common challenges like voltage fluctuations, heat buildup, and space constraints in compact panel environments. UL Listed, NEMA TP-1 compliant, and aligned with DOE 2016 Efficient standards, this transformer simplifies compliance across engineering, procurement, and maintenance teams. With copper windings, a 15 kVA rating, and multitap capability, it supports energy-efficient operation across diverse applications, helping reduce downtime and total cost of ownership while delivering dependable power to critical load centers. The unit’s ventilated design aids cooling in enclosed spaces, and its weather-shield variant expands outdoor or harsh-environment compatibility.
Product Information
Extended Description
NT20P11F1516CU 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, 16, Copper windings
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11F1516CU
UPC
786680207372
Product Length/Depth
20.36 in
Product Height
37.59 in
Product Width
22.87 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
DOE 2016 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
Eaton's Transformer Flex Center
Eaton Specification Sheet - NT20P11F1516CU
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: K-Factor nonlinear ventilated design is engineered to minimize harmonic distortion and manage heat more effectively. Business impact: improved efficiency and reduced ambient temperature rise translate to longer life for connected controls and sensors. Application: ideal for power-dense control panels in process and manufacturing environments where clean power and reliable operation matter. Feature: Copper windings with high-quality insulation. Business impact: lower copper loss and enhanced reliability reduce operating costs and maintenance intervals. Application: critical load centers and servo-driven machinery where consistent performance is essential. Feature: 15 kVA, single-phase configuration with 240/480 V primary and 120/240 V secondary. Business impact: flexible deployment and straightforward compatibility with typical plant distributions, minimizing rework during upgrades. Application: machine controls, PLC power supplies, and panel boards across industrial floors. Feature: Multitap capability with taps at +5%, -5%, +2.5%, and -2.5%. Business impact: precise voltage regulation to compensate for feeder drop and supply variations, reducing nuisance tripping and equipment stress. Application: installations with long feeders or fluctuating utility conditions. Feature: Compliance and efficiency package including UL Listed, NEMA TP-1, and DOE 2016 Efficient. Business impact: procurement risk reduction, faster approvals, and energy-cost savings over the product lifecycle. Application: design-build projects and regulated environments where standards alignment is mandatory. Feature: Weathershield WS11 and electrostatically shielded construction. Business impact: expanded outdoor and harsh-environment applicability with improved electromagnetic compatibility. Application: outdoor panels, warehouse loading docks, and exposed plant areas where rugged resilience is required.
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FAQs
Install the NT20P11F1516CU in a suitably rated enclosure, connect the 240/480 V primary to the incoming supply, and wire the 120/240 V secondary to the control circuits. Ensure proper clearance for ventilation, secure the taps at the required setting, and follow OEM wiring diagrams. Use appropriate fusing and observe insulation and grounding practices to maintain safety and performance.
You can expect DOE 2016 Efficient performance with copper windings that minimize copper loss. The transformer offers precise voltage regulation via taps at +5%, -5%, +2.5%, and -2.5%, supporting stable outputs under fluctuating input conditions. Operating at 60 Hz with a 15 kVA rating, it maintains reliable power for connected loads and minimizes energy waste.
Yes. The unit features Weathershield WS11 and an electrostatically shielded design, which improves outdoor resilience and EMI performance. This makes it appropriate for outdoor panels, exposed facility areas, and warehouse environments where temperature and contamination can vary, while still meeting NEMA TP-1 and UL Listed standards.
The transformer is UL Listed and NEMA TP-1 compliant, with DOE 2016 Efficient designation. These certifications support procurement in regulated environments and simplify compliance during project reviews. The combination of these standards also helps in achieving energy efficiency targets on site.
With a 15 kVA rating and durable copper windings, the NT20P11F1516CU delivers long service life and reduced energy losses, contributing to lower operating costs. The multitap design reduces voltage-related faults, decreasing maintenance cycles. A robust warranty and Eaton support further protect your ROI by ensuring timely parts and service when needed.