Eaton NT20P11F50EE Ventilated Transformer - UL Listed
Part Number: NT20P11F50EE
Quick Summary
NT20P11F50EE is a ventilated transformer for power distribution in industrial facilities. Engineers often struggle with heat, efficiency, and space constraints in electrical rooms. UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficient designation, support safety and compliance. With aluminum windings and a rugged frame, it delivers robust performance while reducing installation costs. Designed for 50 kVA, 240/480 V to 120/240 V, it supports flexible tapping and shielded operation for sensitive equipment. The compact footprint, sturdy aluminum windings, and electrostatic shield help minimize stray currents while meeting 60 Hz distribution standards, delivering reliable operation in demanding industrial environments. Warranty coverage aligns with Eaton policies, offering practical protection during installation and commissioning.
Product Information
Extended Description
NT20P11F50EE Eaton: PURGE-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: 821
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
NT20P11F50EE
UPC
786680087615
Product Length/Depth
33.97 in
Product Height
62.91 in
Product Width
29.97 in
Product Weight
911 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
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
821
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
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - NT20P11F50EE
Feature: K-Factor nonlinear K-13 ventilated design improves heat dispersion. Business Impact: reduces insulation stress and enables higher duty cycles, increasing transformer lifespan. Application: ideal for continuous operation in hot plant environments and demanding motor-control feeders. Long-tail keywords: K-Factor transformer, K-13 design, ventilated transformer, heat dissipation. Feature: Tap changer with multiple voltage options (1 at +5% FCAN, 2 at -5% FCBN, 2 at +2.5% FCAN, 4 at -2.5% FCBN). Business Impact: enables precise voltage matching to site conditions, reducing voltage drop and ensuring equipment performance. Application: power distribution in facilities with variable supply conditions. Long-tail keywords: voltage taps, transformer tapping, primary voltage options. Feature: Aluminum windings and electrostatic shield. Business Impact: lighter weight for handling and installation while reducing stray currents and electromagnetic interference. Application: installation in confined electrical rooms with sensitive instrumentation. Long-tail keywords: aluminum windings, electrostatic shield, EMI reduction. Feature: 50 kVA single-phase rating, 60 Hz operation, primary 240/480 V, secondary 120/240 V. Business Impact: delivers reliable mid-size load capacity with versatile input/output combinations, minimizing the need for multiple transformers. Application: panel and switchgear assemblies in manufacturing and distribution sites. Long-tail keywords: 50 kVA transformer, single-phase distribution, 240/480 V to 120/240 V. Feature: NEMA TP-1 efficient design and UL Listed certification. Business Impact: ensures regulatory compliance and energy efficiency benefits across lifecycle, reducing operating costs. Application: OEM and repair shops requiring compliant, efficient power distribution assets. Long-tail keywords: NEMA TP-1 efficient, UL Listed transformer, regulatory compliance. Feature: Rugged frame 821 dimensions with substantial weight (911 lb). Business Impact: durable, serviceable installation in industrial environments with predictable mounting footprints. Application: retrofit projects and new builds with strict space planning. Long-tail keywords: frame 821, 33.97 in length, 62.91 in height, 29.97 in width.
Get a Quick Quote for a Eaton NT20P11F50EE
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton NT20P11F50EE?
Enquire Now
FAQs
NT20P11F50EE weighs 911 lb and measures roughly 33.97 in L x 62.91 in H x 29.97 in W, so ensure adequate mounting clearances, reinforced support, and lift planning. Verify space for ventilation and the electrostatic shield, and accommodate the 60 Hz environment with proper cable entry and labeling for safe commissioning.
This unit is a 50 kVA single-phase transformer with 240/480 V primary and 120/240 V secondary at 60 Hz. It includes taps: 1 at +5% FCAN, 2 at -5% FCBN, 2 at +2.5% FCAN, and 4 at -2.5% FCBN, plus an electrostatic shield and aluminum windings for efficiency.
Yes. With 50 kVA capacity and single-phase operation, it supports sensitive panel feeds and motor-control centers. Its ventilated design and elevated temperature rise capability (115°C) help maintain reliability in hot data-center or factory electrical rooms, while taps provide adaptability to supply variances common in industrial environments.
NT20P11F50EE is UL Listed and NEMA TP-1 compliant, with a NEMA TP-1 efficient designation. These certifications indicate safety, reliability, and energy efficiency, simplifying regulatory approvals, and ensuring safe operation in industrial facilities and contractor installations.
Warranty is Eaton’s one-year policy from installation or eighteen months from shipment, whichever occurs first. Maintenance requirements are typical for dry-type transformers: periodic inspection, vibration checks, and connection integrity. Its rugged frame and shielded design support long service life with predictable maintenance intervals.