Eaton N48M28F75CUNVSS Transformer - UL Listed
Part Number: N48M28F75CUNVSS
Quick Summary
Eaton N48M28F75CUNVSS transformer delivers K-Factor nonlinear power distribution for industrial facilities. In busy plants, installation complexity and voltage variability can drive outages, maintenance costs, and unexpected downtime. UL Listed certification ensures electrical safety compliance, while the NEMA TP-1 stainless steel enclosure supports durability in wash-down and harsh environments. This unit is a three-phase, 75 kVA transformer with a 480 V primary and 208Y/120 V secondary, offering copper windings, an electrostatic shield, and selectable taps to compensate for voltage swings. The combination of rugged construction and precise voltage regulation helps keep critical automation equipment online, improves efficiency, and reduces energy waste. This makes it a valuable choice for modern power management and distribution in manufacturing, data centers, and facilities automation.
Product Information
Extended Description
N48M28F75CUNVSS Eaton: K-Factor Non Linear Transformer, Non-Ventilated, K-13, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 115°C, 75 kVA, Cu windings, Elec. Shield, Frame: 923N
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F75CUNVSS
UPC
786680080548
Product Length/Depth
32.65 in
Product Height
57.5 in
Product Width
36.69 in
Product Weight
2021 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
Nema TP-1 efficient, Grade 304 stainless steel enclosure, Totally enclosed non-ventilated
Coil material
Copper
Type
Ventilated transformer
Design
K-13
Frame
923N
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
Special features
Electrostatically Shielded
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28F75CUNVSS
Feature → Business Impact → Application: The N48M28F75CUNVSS uses copper windings with an electrostatic shield, delivering lower copper loss and reduced EMI, which translates to improved overall efficiency and cleaner control signals in automated lines. This supports higher throughput and longer equipment life in harsh industrial environments, such as food processing or packaging lines, where reliability matters. Feature → Business Impact → Application: With 75 kVA three-phase power handling and a 480 V to 208Y/120 V configuration, it simplifies panel layouts and reduces transformer inventory, enabling faster wiring and easier upgrades for manufacturing cells and machine centers. Feature → Business Impact → Application: Tap options at +2.5% and -2.5% compensate for supply variations, stabilizing downstream sensors and drives, lowering nuisance trips, and maintaining process control in variable utility conditions. Feature → Business Impact → Application: A robust NEMA TP-1 Grade 304 stainless steel enclosure offers corrosion resistance and durable protection, extending service life in wash-down zones and dusty production floors while meeting industry norms for safety and installation. Feature → Business Impact → Application: The Eaton warranty and UL Listed safety certification reduce risk and maintenance planning, delivering predictable TCO and faster ROI for automation projects and power-distribution upgrades.
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FAQs
Plan for proper mounting clearances and access, follow local codes and UL guidelines, connect the 480 V primary to the main distribution, and route the 208Y/120 V secondary to panel boards. Verify tap positions (+2.5% and -2.5%), torque specs for the frame 923N, and observe enclosure notes for safe servicing.
The unit is a 75 kVA, three-phase transformer rated for 60 Hz operation, with a 480 V primary and 208Y/120 V secondary. It uses copper windings, includes an electrostatic shield, and has voltage taps at +2.5% and -2.5% to compensate for supply variations, with a 115 °C rise specification.
Yes. The N48M28F75CUNVSS combines robust voltage regulation with a compact footprint suitable for automation cabinets and data-center distribution racks. Its 75 kVA rating supports multiple critical loads, and copper windings plus shielding reduce EMI and improve reliability in sensitive automation equipment and server rooms.
This transformer is UL Listed, confirming safety compliance for electrical equipment. The data does not list additional certifications such as CE or IP ratings, so verify with Eaton for any region-specific or sector-specific certifications required for your installation.
The product is covered by Eaton’s standard warranty: 25-000, one year from installation or 18 months from shipment, whichever occurs first. Consider service agreements and on-site support to maximize uptime, especially in critical automation and process environments.