Eaton N48M28T33EELS52 Transformer - NEMA TP-1 UL Listed
Part Number: N48M28T33EELS52
Quick Summary
Eaton N48M28T33EELS52 transformer is a 300 kVA, three‑phase K‑Factor nonlinear unit designed for robust harmonic management in industrial power distributions. In many facilities, harmonic currents and voltage drift challenge uptime and equipment life; this transformer mitigates those risks with a tuned nonlinear design and shielded construction. It carries UL Listed certification and NEMA TP‑1 compliance, plus electrostatic shielding and a low sound profile to meet safety and comfort requirements. The configuration supports 480 V primary and 208Y/120 V secondary with voltage taps for regulation, enabling scalable, reliable power delivery for manufacturing lines and process equipment.
Product Information
Extended Description
N48M28T33EELS52 Eaton: Eaton K-Factor nonlinear ventilated transformer, KT-13 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 300 kVA, EE, LS, 52
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T33EELS52
UPC
786680045530
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3060 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, Low sound equal to 52 dB
Coil material
Aluminum
Frame
919
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
208 Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 52 dB
Special features
Electrostatically Shielded
Weathershield
WS35
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T33EELS52
Feature: K-Factor nonlinear ventilated design → Business Impact: improves harmonic performance and system efficiency by mitigating distortion in feeds with heavy non-linear loads → Application: data centers, motor drives, and automated manufacturing lines. Feature: 480 V primary and 208Y/120 V secondary with 60 Hz operation → Business Impact: seamless integration into standard plant power architectures, reducing conversion losses and wiring complexity → Application: industrial distribution and equipment rooms. Feature: Tap settings 2 at +2.5% and 4 at -2.5% → Business Impact: precise voltage regulation under fluctuating loads → Application: critical controls, PLCs, and sensitive instrumentation. Feature: 150 °C rise with 200 °C insulation system → Business Impact: higher thermal tolerance yields reliable performance in confined spaces and warm environments → Application: compact installations and retrofit projects. Feature: Low sound 52 dB and electrostatic shielding → Business Impact: quieter operation and reduced electromagnetic interference (EMI) for adjacent equipment → Application: plant floors, control rooms, and noisy工 environments. Feature: UL Listed, NEMA TP‑1 compliant with WS35 Weathershield → Business Impact: proven compliance and weather protection for both indoor and outdoor installations → Application: outdoor substations and protected enclosures. Feature: 300 kVA, aluminum coil, frame 919 → Business Impact: durable construction with lightweight coil materials and a compact frame for easier handling and installation → Application: mid‑sized distribution transformers in production facilities.
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FAQs
The transformer uses a 480 V primary with a 208Y/120 V secondary. It provides taps at +2.5% and -2.5% to accommodate small voltage fluctuations, supporting precise voltage regulation critical for sensitive equipment and automated lines.
Yes. This Eaton unit is UL Listed and NEMA TP-1 compliant, confirming safety, efficiency, and performance standards for commercial and industrial power distribution. It also features electrostatic shielding for EMI control and a documented low-noise profile.
Dimensions are approximately 36.23 inches in depth, 44.2 inches in width, and 75 inches in height. The transformer weighs about 3,060 pounds, which informs crane, palletizing, and enclosure clearance requirements during installation.
Ideal for harmonic‑rich environments such as motor drives, presses, PLC‑controlled lines, and data centers. The unit supports reliable power delivery at 480 V to 208Y/120 V loads, with taps for voltage regulation and robust thermal performance for continuous manufacturing operations.
Key features include electrostatic shielding, WS35 weather shield compatibility, and a 150 °C rise with 200 °C insulation. These contribute to reduced EMI, enhanced durability, and predictable performance, backed by a one‑year warranty or 18 months from shipment, whichever comes first.