Eaton N48M47T33CUEE Transformer - UL Listed
Part Number: N48M47T33CUEE
Quick Summary
The Eaton N48M47T33CUEE transformer is a K-Factor nonlinear ventilated transformer for industrial three-phase power distribution. Managing harmonics and voltage stability across fluctuating loads is a common pain point in modern facilities. UL Listed, NEMA TP-1 compliant and efficient, with a 150°C rise and copper windings, this design prioritizes safety and longevity. With a 300 kVA rating, 480 V primary and 480Y/277 V secondary, plus selectable taps, it scales to evolving power needs while helping minimize energy waste and thermal stress on downstream equipment.
Product Information
Extended Description
N48M47T33CUEE Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 150°C rise w/ 200°C insulation systeam, 300 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47T33CUEE
UPC
786680044557
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3413 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
919E
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
300 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480 Y/277 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS35
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M47T33CUEE
Feature: K-Factor nonlinear ventilated design with copper windings → Business Impact: Improves harmonic mitigation and thermal performance, reducing losses and extending transformer life. Application: Suitable for facilities with nonlinear loads and sensitive equipment. Feature: Three-phase 300 kVA, 60 Hz rating → Business Impact: Reliable power delivery for critical processes with predictable performance. Application: Manufacturing lines and data centers needing steady voltage. Feature: Tap changers at +2.5% and -2.5% → Business Impact: Tight voltage regulation under fluctuating supply conditions, lowering equipment stress. Application: Sites with voltage variance and motor control needs. Feature: Electrostatically shielded construction and WS35 weather protection → Business Impact: Enhanced reliability in harsh environments, lower maintenance, longer intervals between service. Application: Outdoor installations and industrial campuses. Feature: Compliance and certifications (UL Listed, NEMA TP-1 compliant/efficient) → Business Impact: Regulatory clarity and risk reduction, simplifying procurement and commissioning. Application: Utility-facing projects and regulated facilities.
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FAQs
The N48M47T33CUEE is a three-phase transformer designed for 480 V primary and 480Y/277 V secondary operation. It uses copper windings, a 919E frame, and offers taps at +2.5% and -2.5% to accommodate voltage fluctuations. This makes it a straightforward upgrade for facilities already running 480 V distributions while enabling precise voltage regulation and harmonics control. Its Weathershield WS35 option supports outdoor or rugged indoor environments, aiding installation flexibility.
This unit delivers 300 kVA at 60 Hz in a three-phase configuration, ensuring robust power delivery for critical loads. Its K-Factor nonlinear ventilated design helps mitigate harmonics, while copper windings provide high electrical efficiency. The transformer also features a 150 °C rise with a 200 °C insulation system, which supports higher tolerance in hot environments and reduces the risk of insulation failure during peak loads.
Yes. The transformer is UL Listed and complies with NEMA TP-1 standards, including NEMA TP-1 efficiency notes. This combination ensures safety, reliability, and regulatory alignment for industrial power distribution. The catalog notes also reinforce efficiency targets, aiding procurement teams in meeting energy and performance requirements for compliant installations.
Plan for a sizable installation footprint: length 36.23 in, height 75 in, width 44.2 in, and weight around 3413 lb. The unit uses a copper-windings design with a frame of 919E and voltage taps for regulation. Outdoor or harsh environments are supported by the WS35 Weathershield option, and the unit’s electrostatic shielding adds reliability in electrically noisy facilities.
The Eaton N48M47T33CUEE includes a one-year warranty from installation or an 18-month period from shipment. Its robust copper windings, electrostatic shielding, and weather protection reduce downtime and maintenance costs. Compliance with UL and NEMA TP‑1 minimizes regulatory risk, while the 300 kVA rating provides scalable capacity for growing loads, improving total cost of ownership over time.