Eaton NT20P11F50 K-Factor ventilated transformer UL Listed

Part Number: NT20P11F50
Manufacturer
Eaton
Part number
NT20P11F50

Quick Summary

Eaton NT20P11F50 K-Factor nonlinear ventilated transformer is designed to deliver stable voltage for critical loads in commercial, industrial, and data-center environments. In facilities with mixed or highly dynamic loads, voltage distortion and transformer overheating can trigger unplanned downtime and costly repairs. UL Listed safety certification ensures compliance with essential safety standards, while the design supports 60 Hz operation and a K-13 configuration. The aluminum windings, electrostatic shielding, and WS16 weather shield contribute to reliability in challenging environments. This transformer offers adjustable taps to adapt to input fluctuations, delivering business value through improved efficiency, reduced maintenance, and safer, code-compliant power distribution.

Product Information

Extended Description

NT20P11F50 Eaton: K-Factor Transformer, Ventilated, K-13, Single-phase, PV: 240 X 480V, Taps: 1 at +5% FCAN, 2 at -5% FCBN X 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 120/240V, 115°C, 50 kVA , Al windings, Elec. Shield, Frame: 819, uses WS16
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11F50
UPC
786680024634
Product Length/Depth
23.84 in
Product Height
42.03 in
Product Width
24.22 in
Product Weight
519 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.
Certifications
UL Listed
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
819
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
Kva Rating
50 kVA
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Special features
Electrostatically shielded
Weathershield
WS16
Feature → Business Impact → Application. K-13 K-Factor design enhances nonlinear load handling, reducing voltage distortion and preventing excessive heat buildup, which translates to more stable operation for critical manufacturing lines and data-center equipment. Application: use in facilities with mixed loads and harmonic-rich equipment. Ventilated construction improves cooling performance, enabling higher continuous duty and longer transformer life in warm plants or outdoor installations. Application: data centers, HVAC plants, and industrial machinery rooms where ambient temperature challenges exist. Aluminum windings reduce weight and improve conductivity, simplifying installation and lowering maintenance costs while resisting corrosion in harsh environments. Application: large indoor cabinets and outdoor enclosures. Electrostatic shielding between windings provides EMI and short-circuit protection, supporting sensitive controls and PLCs in crowded electrical rooms. Application: control panels and equipment rooms with noisy electrical environments. Tap settings offer voltage regulation flexibility with taps at +5%, -5%, +2.5%, and -2.5%, allowing rapid compensation for input swing. Application: site voltage variation management without installing additional equipment. WS16 weather shield and ventilated frame 819 enable outdoor deployment and rugged performance, reducing weather-related downtime. Application: outdoor substations and exposed installations. The 50 kVA rating with 60 Hz operation suits single-phase distribution tasks across commercial, light-industrial, and specialty facilities, delivering predictable regulation and compliance while minimizing total cost of ownership.

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FAQs

The NT20P11F50 supports a 240/480 V primary and a 120/240 V secondary at 60 Hz, suitable for single-phase distribution.
Yes, the NT20P11F50 is UL Listed, confirming safety certification for electrical equipment used in standard electrical installations.
The unit measures 23.84 in in depth, 42.03 in in height, and 24.22 in in width, with an approximate weight of 519 lb (no external mounting hardware included).
Tap details include 1 tap at +5% FCAN, 2 taps at -5% FCBN, 2 taps at +2.5% FCAN, and 4 taps at -2.5% FCBN, enabling precise voltage regulation under varying input conditions.
Warranty is Eaton’s 25-000 policy: one year from installation or eighteen months from shipment, whichever occurs first. Consider frame 819, WS16 weather shield, and aluminum windings for outdoor or rugged indoor installations.