Eaton N48M28T12LS45 K-Factor ventilated transformer - UL
Part Number: N48M28T12LS45
Quick Summary
N48M28T12LS45 is a K-Factor nonlinear ventilated transformer for reliable three-phase power distribution in industrial environments. In tight facilities, noise, heat, and load variability can erode uptime and drive maintenance costs. UL Listed safety certification underpins compliance in critical installations, while electrostatic shielding and WS34 weather protection enhance durability in harsh environments. With aluminum windings, a 150°C rise rating, and 60 Hz operation, the unit supports compact layouts in automation, manufacturing, and data-center support power. This transformer delivers predictable performance for 480 V to 208Y/120 V conversion and aligns with Eaton's warranty and service ecosystem, helping reduce total cost of ownership through improved reliability and easier maintenance.
Product Information
Extended Description
N48M28T12LS45 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 480V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 112.5 kVA , Al windings, Elec. Shield
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T12LS45
UPC
786680026515
Product Length/Depth
24.67 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1285 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
Catalog Notes
Low sound equal to 45 dB
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
112.5 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Modification 1
Low sound 45 dB
Special features
Electrostatically Shielded
Weathershield
WS34
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T12LS45
K-13 design with K-Factor nonlinear behavior improves harmonic management, reducing overheating and extending winding life. This translates to lower energy waste and fewer unplanned outages in facilities with nonlinear loads. Ideal for automation panels, CNC machines, and process controls. Ventilated construction enhances heat dissipation and supports stable voltage under load, while a low 45 dB sound profile minimizes acoustic disruption. Impact: increased uptime and safer equipment temperatures in crowded plant spaces. Application: manufacturing lines and open equipment rooms where quiet operation matters. Aluminum windings offer corrosion resistance and cost-effective management with lighter weight than copper alternatives, while electrostatic shielding reduces EMI. Impact: improved efficiency, easier routing of cables, and compliance with EMI limits. Application: robotics, servo drives, and motor control panels. Voltage-tap capability provides ±2.5% adjustments (2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN), enabling precise voltage regulation across supply variations. Impact: tighter voltage control reduces equipment stress and improves PLC/controls performance. Application: processes sensitive to voltage swings, automation lines, and data equipment. Weather shield WS34 enhances outdoor and harsh-environment reliability, backed by a 150°C rise and 60 Hz operation. Impact: robust service in non-climate-controlled spaces and outdoor installations. Application: outdoor substations and remote automation installations. Industry-standard UL Listed safety certification and Eaton warranty provide confidence for procurement and maintenance planning. Impact: streamlined qualification, lower risk during audits, and predictable service support.
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FAQs
The N48M28T12LS45 is UL Listed for safety and designed for three-phase power distribution in industrial facilities. Its compact footprint, weather shield WS34, and low-noise 45 dB profile make it suitable for open plant floors, outdoor substations, and automation enclosures where reliable voltage transformation and environmental protection are needed.
Key specs include a 112.5 kVA rating, 480 V primary, 208Y/120 V secondary, 60 Hz operation, and a 150 °C rise. It uses aluminum windings, features an electrostatic shield, and provides taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN for voltage regulation, aiding stability under varying loads.
Yes. The transformer is designed for robust automation environments, offering harmonic resilience via K-Factor nonlinear design, precise voltage regulation through taps, and a compact, shielded construction ideal for control panels, servo drives, and manufacturing lines requiring dependable power with controlled EMI and heat management.
The unit is UL Listed for safety, with electrostatic shielding to mitigate EMI, a WS34 weather shield for environmental protection, and a low-noise 45 dB rating. These features support compliance with safety codes and reduce risk during audits and commissioning.
The combination of low noise (45 dB), heat management via ventilated design, and durable shielding reduces maintenance interruptions and extends service intervals. The 112.5 kVA rating supports efficiency in power distribution, contributing to lower total cost of ownership in automation ecosystems.