Eaton N48M28B45CUEESRTR Transformer - UL Listed
Part Number: N48M28B45CUEESRTR
Quick Summary
The Eaton K-Factor nonlinear ventilated transformer delivers reliable 3-phase power for industrial distribution systems. When space is tight and harmonic-rich loads challenge voltage stability, choosing the right transformer is critical to avoid overheating and downtime. UL Listed and NEMA TP-1 compliant, with an electrostatically shielded design and Weathershield WS39 protection, this unit is built for rugged environments. Designed for power management and distribution efficiency, it leverages copper windings and a robust 80 °C rise to support durable operation in modern facilities, while offering adjustable voltage taps to optimize performance in dynamic plant layouts.
Product Information
Extended Description
N48M28B45CUEESRTR 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, 80°C rise, 45 kVA, Copper windings, EE, SRTR
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B45CUEESRTR
UPC
786680053443
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
635 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, Certified sound level report, Certified test report of standard production tests
Coil material
Copper
Frame
915D
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
80 °C rise
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28B45CUEESRTR
Feature → Business Impact → Application: 45 kVA three-phase transformer with 480 V primary and 208 Y/120 V secondary tuned for industrial load centers improves voltage regulation and supply reliability, enabling downstream equipment to run at rated performance. Application: manufacturing floors and distribution panels where stable voltage is essential for PLCs, drives, and control systems. Feature → Business Impact → Application: K-Factor nonlinear ventilated design helps tolerate harmonic-rich loads from variable-speed drives and nonlinear devices, reducing overheating risk and extending component life. Application: facilities with heavy motor loads and power electronics, such as metal fabrication and packaging lines. Feature → Business Impact → Application: copper windings deliver high thermal conductivity and durability, improving efficiency and easing heat management in compact electrical rooms. Application: space-constrained installations in warehouses and data centers. Feature → Business Impact → Application: 80 °C rise rating and vented construction enable reliable operation in challenging ambient conditions, minimizing cooling requirements and energy use. Application: outdoor or harsh indoor environments with limited HVAC headroom. Feature → Business Impact → Application: voltage taps at +2.5% and -2.5% provide precise voltage regulation to accommodate feed variations, reducing equipment stress and maintenance needs. Application: critical process lines and instrumentation panels requiring tight voltage control. Feature → Business Impact → Application: NEMA TP-1 compliance and UL Listing with certified test reports guarantee regulatory alignment and traceable quality, supporting audits and safety programs. Application: engineering documentation for bids and compliance packages.
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FAQs
Install with the 915D frame in a well-ventilated electrical room or enclosure. Allow adequate clearance for cooling and access, and consider the Weathershield WS39 protection if exposed to outdoor or harsh indoor conditions. The unit weighs 635 lb, so use proper lifting and mounting procedures to ensure safe, code-compliant installation.
The transformer is 45 kVA, three-phase, with a 480 V primary and 208 Y/120 V secondary. It operates at 60 Hz, features copper windings, and has a temperature rise of 80 °C. Voltage taps are 2 at +2.5% and 4 at -2.5% to support voltage regulation in varying supply conditions.
Yes. This Eaton transformer is UL Listed and NEMA TP-1 compliant, and it ships with certified test reports. These certifications help ensure safety, performance, and regulatory alignment for industrial power systems in regulated environments.
Weathershield WS39 provides weather protection for exterior or challenging locations, while electrostatic shielding reduces EMI and improves protection for sensitive equipment. Together they expand installation options, enabling outdoor or harsh-indoor placement without compromising performance.
The unit carries Eaton’s warranty policy 25-000, offering one year from installation or 18 months from shipment, whichever occurs first. Regular maintenance focuses on verifying taps, cooling, and insulation integrity, with UL/NEMA TP-1 compliance helping streamline audits and spare parts planning.