Eaton N48M28F75LS47 Ventilated Transformer - UL Listed
Part Number: N48M28F75LS47
Quick Summary
Eaton N48M28F75LS47 is a high-capacity ventilated transformer for three-phase power distribution in industrial facilities. Engineers often struggle with cooling, noise, and voltage stability when loads swing, risking downtime and reduced throughput. The UL Listed unit features a K-Factor nonlinear design that helps manage harmonics and heat, while aluminum windings and electrostatic shielding boost reliability. With a 75 kVA rating and a 480 V primary feeding 208Y/120 V secondary, it delivers robust performance for control panels, machine centers, and distribution subsystems. This combination supports safer operations, easier maintenance planning, and long-term cost savings in industrial power management.
Product Information
Extended Description
N48M28F75LS47 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, 115°C, 75 kVA , Al windings, Elec. Shield, Frame: 915D
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F75LS47
UPC
786680026287
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
642 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 47 dB
Coil material
Aluminum
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
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Modification 1
Low sound 47 dB
Special features
Electrostatically Shielded
Weathershield
WS39
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F75LS47
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: K-Factor nonlinear ventilated design enhances cooling and harmonic management. Business Impact: Improves reliability under high-load, harmonic-rich conditions, enabling consistent performance and reduced downtime in manufacturing lines. Application: Suitable for heavy control panels and machine centers where heat and harmonics are common. Feature: 75 kVA, 480 V primary and 208Y/120 V secondary in a three-phase configuration. Business Impact: Simplifies integration with standard switchgear and panelboards, lowering engineering time and installation risk. Application: Ideal for industrial power distribution and control applications in bottleneck environments. Feature: Aluminum windings with electrostatic shielding. Business Impact: Increases efficiency, lowers leakage, and suppresses EMI for sensitive equipment. Application: Data halls, robotics cells, and process control rooms where clean power is critical. Feature: Low sound footprint of 47 dB cataloged. Business Impact: Eases siting near workspaces or offices, aiding compliance with noise requirements and improving worker comfort. Application: Plant floor appliances, substations adjacent to occupied spaces. Feature: Weathershield WS39 option with robust frame 915D. Business Impact: Extends service life in outdoor or harsh environments, reducing maintenance frequency. Application: Outdoor substations or external equipment rooms requiring weather protection. Feature: Tap options plus two at +2.5% and four at -2.5%. Business Impact: Maintains voltage regulation under varying load conditions, lowering voltage-related losses and equipment stress. Application: Facilities with fluctuating input or variable loads, such as coil-fed machines.
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FAQs
The N48M28F75LS47 is a three-phase 75 kVA transformer with a 480 V primary and 208Y/120 V secondary, designed around a 915D frame. It measures 22 in depth, 39 in height, and 29 in width, weighing 642 lb. Its UL Listed status supports typical industrial protection standards, and its aluminum windings and shielded construction ease integration with common control panels and switchgear enclosures.
Key specs include 75 kVA rating, 60 Hz frequency, 480 V primary, 208Y/120 V secondary, three-phase configuration, and a 115 °C temperature rise. The unit uses aluminum windings with electrostatic shielding and delivers a cataloged low sound level of 47 dB, making it suitable for plant environments with noise considerations.
Yes, with the WS39 weather shield option, N48M28F75LS47 is designed to withstand outdoor or harsh environments. The rugged frame and shielded design help resist environmental factors, while installation practices should align with enclosure protection and site conditions to maximize longevity.
Warranty terms follow Eaton policy SP 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This provides a defined risk window for startup-downstream components, supporting proactive maintenance planning and helping quantify total cost of ownership for industrial power distribution systems.
The K-Factor nonlinear design optimizes cooling and harmonic handling, reducing overheating risk in high-load or harmonic-rich environments. This translates to higher reliability, lower cooling requirements, and potential energy savings, especially in data centers, machine centers, and heavy manufacturing lines where power quality and uptime are critical.