Eaton N48M28F49EELS47 Transformer - UL Listed TP-1
Part Number: N48M28F49EELS47
Quick Summary
The Eaton K-Factor nonlinear ventilated transformer provides reliable power conditioning for 480 V to 208Y/120 V three-phase systems. Engineers often wrestle with noise, heat, and space constraints in demanding electrical rooms. UL Listed and NEMA TP-1 compliant, it also offers low noise operation at 47 dB and a 115°C rise for reliable, long-life service. With a 150 kVA rating and 2/4 taps for voltage adjustment, this unit reduces site maintenance and standardizes equipment across projects. Its aluminum coil and WeatherShield option expand installation flexibility in indoor and outdoor panels, supporting faster procurement and consistent performance.
Product Information
Extended Description
N48M28F49EELS47 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, 115°C rise, 150 kVA, EE, LS, 47
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F49EELS47
UPC
786680045592
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1581 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 47 dB
Coil material
Aluminum
Frame
918A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F49EELS47
Feature: K-Factor nonlinear ventilated design. Business Impact: Handles non-linear harmonic loads common in modern facilities, reducing core losses and improving reliability. Application: Data centers and manufacturing lines requiring stable voltage under variable loads. Feature: 150 kVA three-phase rating with 480 V primary and 208Y/120 V secondary. Business Impact: Supports critical power distribution with headroom for future expansion. Application: Panel boards, switchgear, and service entrances in industrial plants. Feature: Tap settings 2 at +2.5% and 4 at −2.5%. Business Impact: Fine-tunes voltage regulation to maintain equipment performance and minimize ripple. Application: Sites with fluctuating utility voltages. Feature: Compliance and certification package (UL Listed, NEMA TP-1 compliant, NEMA TP-1 efficiency). Business Impact: Simplifies procurement and regulatory acceptance while ensuring efficiency. Application: Industrial environments with strict standards. Feature: Low noise (47 dB) and 115°C rise with Electrostatic Shielding and WS34 weather shield. Business Impact: Enables outdoor or semi-exposed installations and reduces acoustic concerns. Application: Outdoor switchgear rooms and populated equipment bays. Feature: Aluminum coil, Frame 918A, and substantial footprint. Business Impact: Durable construction supports rugged service and predictable maintenance. Application: Heavy-duty applications in harsh environments, with service access and installation planning considerations.
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FAQs
This unit is a heavy, floor-mounted transformer with dimensions of 30.68 in (L) x 31.44 in (W) x 62.18 in (H) and a mass of 1581 lb. Plan for adequate footprint, service clearances, and forklift access. For outdoor or exposed locations, WS34 weather shielding and electrostatic shielding options enhance protection and EMI control.
Yes. It is designed for 480 V primary and 208Y/120 V secondary in three-phase, 60 Hz service, rated at 150 kVA. The voltage taps (+2.5% and -2.5%) allow precise regulation to accommodate minor utility fluctuations and long runs.
The transformer is UL Listed and NEMA TP-1 compliant, with NEMA TP-1 efficiency noted in catalog notes. These certifications ensure electrical safety, performance under standard industrial conditions, and regulatory acceptance for commercial and factory environments.
The unit operates at a low noise level of 47 dB and has a 115°C rise, enabling placement in populated switchgear rooms or semi-enclosed spaces without excessive acoustic or thermal impact. The electrostatic shielding further minimizes EMI in dense electrical architectures.
WS34 weather shield, aluminum coil construction, and the 2+2+4 tap arrangement provide outdoor and indoor deployment flexibility with robust performance. The frame and footprint were designed for straightforward mounting, service access, and easier procurement through standard Eaton catalogs.