Eaton N48M47T45CU Transformer - UL Listed, 3-Phase
Part Number: N48M47T45CU
Quick Summary
Eaton N48M47T45CU is a K-Factor nonlinear ventilated transformer for three-phase power distribution. Engineers often struggle with harmonics, overheating, and space constraints in modern switchgear. UL Listed safety certification ensures compliance, while the three-phase design and copper windings support reliable operation in demanding environments. For data centers and industrial facilities, it delivers improved power quality and transformer longevity, reducing maintenance costs and downtime. Its ventilated construction and electrostatic shield mitigate EMI, enabling closer panel packing. Installers appreciate the 915D frame and WS39 weather shield compatibility for versatile indoor and outdoor applications.
Product Information
Extended Description
N48M47T45CU Eaton: K-Factor Non Linear Transformer, Ventilated, K-13, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 480Y/277V, 150°C, 45 kVA, Cu windings, Elec. Shield, Frame: 915D, uses WS39
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47T45CU
UPC
786680043659
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
575 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
Copper
Type
Ventilated transformer
Design
K-13
Frame
915D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480Y/277 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M47T45CU
Feature: K-Factor nonlinear design for harmonic mitigation. Business Impact: Reduces overheating risks and extends transformer life under nonlinear load conditions. Application: Data centers and manufacturing floors with switching power supplies and variable drives. Feature: Ventilated construction. Business Impact: Improves cooling capacity and maintains performance under high ambient temperatures, enabling higher uptime. Application: Enclosures and switchgear rooms with limited cooling. Feature: Copper windings. Business Impact: Lower winding resistance improves efficiency and reduces I2R losses, contributing to energy savings. Application: Continuous operation in demanding environments. Feature: Electrostatic shield. Business Impact: Lowers EMI/RFI coupling, protecting control circuits and improving signal integrity. Application: Panel boards with dense cabling and nearby sensitive electronics. Feature: Tap settings +2.5% FCAN and -2.5% FCBN. Business Impact: Voltage regulation to compensate supply fluctuations, reducing voltage-related equipment stress. Application: Sites with varying utility voltage or long feeders. Feature: Frame 915D with WS39 weather shield. Business Impact: Simplifies mounting and outdoor installation, offering robust protection against dust and weather intrusion. Application: Outdoor panels and rugged industrial installations.
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FAQs
Yes. The N48M47T45CU uses the 915D frame and is specified with WS39 weather shielding, making it suitable for versatile indoor and outdoor installations. It weighs 575 lb and is a three-phase unit with a 480 V primary and 480Y/277 V secondary. Plan for proper lifting equipment and weather protection during installation to maximize longevity.
The transformer features a 480 V primary and a 480Y/277 V secondary, three-phase, 60 Hz, with taps of 2 at +2.5% FCAN and 4 at -2.5% FCBN. These taps allow voltage regulation to accommodate supply fluctuations, helping maintain consistent output under dynamic loading conditions common in industrial environments.
K-Factor nonlinear ventilation indicates the transformer is designed to handle nonlinear harmonic loads without overheating. This improves reliability and safety in systems with power electronics. For the N48M47T45CU, this translates to better thermal management, reduced overheating risk, and longer service life in data centers, drives, and other equipment with significant harmonic content.
The N48M47T45CU carries UL Listed certification, signaling compliance with recognized safety standards. The warranty is Eaton’s policy: one year from installation or eighteen months from shipment, whichever occurs first. This provides a baseline protection for installation contingencies and equipment performance throughout early operation.
Typical applications include data centers, manufacturing floors, and control panels where reliable power quality and harmonic resilience are critical. Its 45 kVA rating, copper windings, electrostatic shielding, and weather shielding support resilient operation in demanding environments, reducing downtime and maintenance costs while ensuring stable secondary voltage for sensitive equipment.