Eaton N48M47B12CUEE Transformer - UL Listed
Part Number: N48M47B12CUEE
Quick Summary
Eaton N48M47B12CUEE Transformer is a K-Factor nonlinear ventilated transformer designed for three-phase power distribution in industrial facilities. When loads swing, voltage regulation and harmonic distortion can threaten uptime, and precise tap settings help maintain stability. This unit is UL Listed, NEMA TP-1 efficient, and features electrostatic shielding with WS34 weather protection to meet essential safety and performance standards. With copper windings and a 112.5 kVA rating, it supports reliable, scalable deployments in manufacturing, data centers, and large equipment rooms. The combination of protection, efficiency, and configurable taps speaks to value across procurement and operations teams.
Product Information
Extended Description
N48M47B12CUEE 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, 80°C rise, 112.5 kVA, Copper windings, EE
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47B12CUEE
UPC
786680093647
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1927 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
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480 Y/277 V
Temperature rise
80 °C rise
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M47B12CUEE
Feature: K-Factor nonlinear ventilated design reduces harmonic heating and improves overall efficiency → Business Impact: Lower energy waste and cooler operation translate to reduced maintenance costs and longer asset life → Application: Industrial power distribution where harmonics are a concern, such as PLC-controlled lines and servo drives. Feature: Tap changer options with 2 taps at +2.5% and 4 taps at -2.5% → Business Impact: Enhanced voltage regulation under fluctuating supply, reducing equipment stress and trips → Application: Facilities with variable supply or long feeders feeding critical loads. Feature: 80°C rise with copper windings → Business Impact: Higher allowable winding temperature supports sustained loading without excessive cooling requirements → Application: High-demand manufacturing cells and data-center-adjacent equipment rooms. Feature: UL Listed and NEMA TP-1 efficient → Business Impact: Simplified compliance and potential utility incentives due to efficiency → Application: Regulated environments and new installations requiring recognized certifications. Feature: Electrostatically shielded construction and WS34 Weathershield → Business Impact: Improved insulation integrity and environmental protection reduce leakage and retrofit needs → Application: Outdoor or harsh-industrial installations and exposed panels. Feature: 3-phase 112.5 kVA rating with 480 V primary and 480Y/277 V secondary → Business Impact: Adequate headroom for moderate-to-large loads with flexible secondary configurations → Application: Panelboards, switchgear deployments, and multi-load feeders in plants and campuses.
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FAQs
Yes. The N48M47B12CUEE is a 3-phase transformer with a 480 V primary and a 480Y/277 V secondary, designed for standard industrial 480V distribution. Its copper windings and robust frame (Frame 917) support straightforward mounting in typical electrical rooms or switchgear housings. The 60 Hz rating aligns with common North American power systems, and its taps enable fine-tuning to maintain voltage within tolerance across varying loads.
K-Factor nonlinear ventilation refers to the transformer’s capability to tolerate higher harmonic content without overheating, thanks to its ventilated design and copper windings. This improves reliability in environments with nonlinear loads such as drives and power electronics. Practically, it reduces thermal stress, extends service life, and lowers maintenance frequency while preserving voltage quality under dynamic load conditions.
The transformer is UL Listed and NEMA TP-1 efficient, signifying compliance with stringent safety and efficiency standards. These certifications matter for regulatory audits, utility programs, and procurement requirements by ensuring predictable performance, reduced energy waste, and eligibility for incentives. The combination supports safer installation, easier commissioning, and a more favorable total cost of ownership.
With taps at +2.5% and -2.5%, the N48M47B12CUEE allows field-adjusted voltage to compensate for supply fluctuations and loading imbalances, reducing voltage drop or overvoltage scenarios. An 80 °C rise rating indicates robust thermal capacity, enabling sustained operation under higher loads without frequent cooling interventions, which translates to better uptime in demanding manufacturing lines.
The 112.5 kVA rating supports moderate-to-large load centers with long-term reliability, reducing the need for oversized, higher-cost transformers. Copper windings and electrostatic shielding improve efficiency and protection, while WS34 weather shield enables outdoor or rugged installations. Anticipated ROI comes from energy efficiency, reduced maintenance cycles, and fewer voltage-related downtime events in critical production lines.