Eaton NT20P11S2516 K-Factor nonlinear ventilated transformer - UL Listed
Part Number: NT20P11S2516
Quick Summary
Eaton NT20P11S2516 K-Factor nonlinear ventilated transformer provides robust voltage conversion for critical power distribution in industrial plants. Operators and engineers often struggle with heat, efficiency losses, and compliance gaps as systems scale. This unit is UL Listed, NEMA TP-1 compliant, and DOE 2016 Efficient, ensuring regulatory alignment and long-term energy savings. Designed for single-phase power, it supports 25 kVA loads with a 240/480 V primary and 120/240 V secondary, plus adaptive taps to match changing grid conditions. The combination of electrostatic shielding, aluminum windings, and a 150°C rise capability translates to higher uptime and lower lifecycle costs, making it a prudent choice for modern manufacturing environments.
Product Information
Extended Description
NT20P11S2516 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, 150°C rise, 25 kVA, 16
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11S2516
UPC
786680207754
Product Length/Depth
20.36 in
Product Height
37.59 in
Product Width
22.87 in
Product Weight
370 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
Aluminum
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
25 kVA
Phase
Single-phase
Primary voltage
240 x 480 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Special features
Electrostatically shielded
Weathershield
WS11
25 kVA single-phase power rating with a 240/480 V primary and 120/240 V secondary provides ample headroom for control panels and machine rooms. This translates to fewer transformers in a panel rack and improved footprint efficiency, reducing installation time and materials cost. In real-world assembly lines, consolidating loads onto a single transformer lowers space and maintenance effort while preserving voltage stability. Tap settings provide dynamic voltage matching with nominal +5%/−5% and ±2.5% steps. Business impact: operators can minimize voltage drop during startup or peak loading, reducing nuisance tripping and extending equipment life. Application: variable loads in robotics cells and CNC machinery benefit from precise voltage control. Aluminum coil material and frame 818 with electrostatic shielding cut EMI and improve efficiency, while WS11 weather shielding expands installation options in demanding environments. This reduces heat load and enhances safety in noisy industrial settings. Certifications such as UL Listed and NEMA TP-1 compliant simplify procurement and regulatory alignment. DOE 2016 Efficient labeling supports energy-cost reduction facility-wide and reinforces long-term ROI. Designed with installation in mind, the unit’s dimensions—20.36 in L, 37.59 in H, 22.87 in W—and a 370 lb weight enable practical integration in typical electrical rooms. The rugged frame and serviceable construction deliver reliable uptime for continuous production lines and automation systems.
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FAQs
Recommended installations include control panels and machine rooms where a single-phase 25 kVA transformer is suitable. With dimensions of 20.36 in L x 37.59 in H x 22.87 in W and a 370 lb weight, it fits typical electrical room footprints. Weathershield WS11 and electrostatic shielding improve durability and EMI control in demanding environments.
The transformer provides a 240/480 V primary and a 120/240 V secondary, at 60 Hz, rated for 25 kVA in a single-phase configuration. This combination supports common plant power rails and control-signal circuits while maintaining voltage stability under variable loads.
Yes. It is DOE 2016 Efficient, UL Listed, and NEMA TP-1 compliant. These certifications reduce procurement risk, ease regulatory audits, and support energy-cost reductions across industrial power systems.
Tap settings are 1 at +5%, 2 at -5%, 2 at +2.5%, and 4 at -2.5%. They enable voltage matching to fluctuating supply and load conditions, reducing voltage drop during startup and minimizing equipment stress. Field testing is recommended to maintain voltage within the desired tolerance for critical loads.
The NT20P11S2516 reduces multiple transformer footprints, lowers installation and maintenance costs, and improves uptime due to better voltage regulation and EMI control. DOE efficiency, UL safety, and NEMA TP-1 compliance collectively contribute to lower total cost of ownership and longer asset life in automation-heavy facilities.