Eaton N48M28F75CULS47 - K-Factor Nonlinear Transformer
Part Number: N48M28F75CULS47
Quick Summary
Eaton N48M28F75CULS47 is a K-Factor nonlinear transformer for three-phase power distribution in industrial facilities. Engineers often confront voltage variation, EMI concerns, and noise in demanding environments, and this unit mitigates those challenges with a copper-windings design, electrostatic shielding, and precise tap settings. UL Listed safety certification underpins reliability while the 60 Hz rating and 75 kVA capacity support scalable, compliant power delivery. With WS39 weather protection and a low 47 dB sound footprint, this transformer delivers robust performance for panel builders, OEMs, and end users seeking dependable, quiet operation in both indoor and semi-outdoor installations.
Product Information
Extended Description
N48M28F75CULS47 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 , Cu windings, Elec. Shield, Frame: 915D
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F75CULS47
UPC
786680026409
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
809 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
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
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 - N48M28F75CULS47
Feature: K-Factor nonlinear design; Business Impact: Better harmonic handling and improved voltage regulation under non-linear loads, reducing equipment stress and improving overall system reliability; Application: Data centers, motor drives, and PLC-activated equipment where harmonics are common. Feature: 75 kVA three-phase performance; Business Impact: Sufficient capacity for steady loads with room to grow, minimizing voltage dips and limiting spare asset needs; Application: MCCs and low-voltage distribution panels in manufacturing facilities. Feature: Copper windings; Business Impact: Higher efficiency and superior thermal performance, extending component life and lowering operating costs; Application: High-duty industrial environments with repetitive load cycles. Feature: Electrostatic shield; Business Impact: EMI reduction and cleaner power delivery to sensitive electronics, enhancing control accuracy; Application: CNCs, robotics, and automation cabinets. Feature: Weathershield WS39; Business Impact: Outdoor-ready protection against weather and contamination, reducing enclosure requirements; Application: Outdoor substations and semi-exposed distribution setups. Feature: Low sound at 47 dB; Business Impact: Quiet operation in space-constrained installations, enabling closer equipment proximity; Application: Data rooms, plant floors near offices, and sound-sensitive areas. Feature: Tap changes ±2.5% FCAN/FCBN; Business Impact: Real-time voltage regulation to compensate for supply fluctuations, improving stability; Application: Sites with variable utility voltages or long feeder runs. Feature: Frame 915D; Business Impact: Standardized mounting footprint for easy integration with common equipment racks; Application: Retrofit and OEM installations.
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FAQs
The transformer uses a standard 915D frame footprint and measures 22 in (L) x 29 in (W) x 39 in (H). It is suited to installation in control panels, MCCs, or outdoor enclosures with Weathershield WS39, and supports mounting alongside common switchgear for streamlined retrofits.
K-Factor nonlinear design helps manage harmonic currents more effectively, reducing voltage distortion on critical loads. This translates to improved protection for drives and controls, better control loop stability, and longer life for power-sensitive equipment in mixed-load environments.
Best-suited for manufacturing floors, machine controls, automation cabinets, and data-center cabinets where stable voltage, EMI suppression, and space-conscious installations are needed. The 75 kVA rating and 480 V/208Y/120 V outputs support a wide range of equipment, from PLCs to motor drives in mid-scale facilities.
The unit is UL Listed, confirming compliance with recognized safety standards for electrical components. This certification supports reliability in industrial settings and aligns with common procurement requirements for safety and standardization across facilities.
Eaton provides a one-year warranty from installation or eighteen months from shipment. Copper windings and a robust, shielded design reduce maintenance needs, while low-noise 47 dB operation minimizes ancillary costs in occupied spaces. The WS39 weather protection and 60 Hz operation contribute to lower lifecycle costs in mixed indoor/outdoor environments.