Eaton V48M28T50CUNV Transformer - UL Listed
Part Number: V48M28T50CUNV
Quick Summary
V48M28T50CUNV transformer from Eaton powers industrial control panels with 480 V to 208Y/120 V. Engineers often struggle with reliability in harsh environments and limited space. UL Listed certification, a rugged NEMA 3R enclosure, and the DT-3E design deliver safety, environmental protection, and long service life. This transformer supports scalable voltage regulation with taps and copper windings, enabling consistent performance across loads. By integrating this unit, teams gain predictable power distribution for automation cabinets, drives, and PLCs while reducing maintenance and downtime. The combination of indoor-outdoor capability and high-quality construction translates to lower lifecycle costs and faster deployment in new builds or upgrades.
Product Information
Extended Description
V48M28T50CUNV Eaton: Totally enclosed non-ventilated transformer, DT-3E, Three-phase, Primary voltage: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, Secondary voltage: 208Y/120V, 150°C, 50 kVA, Copper windings, FR916AN, 280B, 60 Hz, NEMA 3R
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28T50CUNV
UPC
786680107559
Product Length/Depth
23.42 in
Product Height
32.02 in
Product Width
28.22 in
Product Weight
1105 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
Coil material
Copper
Design
DT-3E
Enclosure
NEMA 3R
Frame
916AN
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Totally enclosed, non-ventilated transformer
Wiring connection
280B
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Volt ampere rating
50 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - V48M28T50CUNV
Selling Policy 25-000 - Distribution and Control Products and Services
Totally enclosed non-ventilated DT-3E design protects windings from dust and moisture, reducing maintenance and downtime in harsh industrial environments. This improves reliability for control panels and motor drives in outdoor or damp facilities. The 50 kVA rating with a 480 V to 208Y/120 V output enables safe, efficient power distribution in automation cabinets, simplifying panel design and reducing heat load. Voltage taps at +2.5% FCAN and -2.5% FCBN provide precise regulation under variable loads, improving PLC and drive performance and minimizing trip events. Copper windings enhance efficiency and thermal performance, delivering lower energy waste and extended transformer life. Indoor-outdoor capability (Weathershield) and a NEMA 3R enclosure offer installation flexibility across plant floors, enclosures, and outdoor bays. The rugged DT-3E frame and 916AN designation support straightforward mounting and serviceability, reducing installation time and lifecycle costs. UL Listed certification reinforces compliance and safety for regulated environments, while a 60 Hz rating aligns with common manufacturing power systems.
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FAQs
Plan for proper floor mounting and adequate support due to its weight (approximately 1105 lb) and large footprint (about 23.42 in x 28.22 in x 32.02 in). Use vibration isolation and secure mounting in a clean, ventilated space aligned with the NEMA 3R indoor-outdoor rating. Ensure service access for taps and copper winding connections and follow Eaton’s handling guidelines during site commissioning.
Primary voltage is 480 V with a three-phase configuration, and the secondary is 208Y/120 V. It provides taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN, enabling voltage regulation under varying load conditions to maintain stable control circuit voltages.
Yes. The unit features a DT-3E totally enclosed non-ventilated design with a NEMA 3R enclosure and indoor-outdoor compatibility (Weathershield), making it suitable for mixed environments in industrial facilities, control rooms, and outdoor enclosures while protecting windings from the elements.
The transformer is UL Listed, providing recognized safety certification for electrical products. The NEMA 3R enclosure further supports compliance with outdoor and indoor installation standards. This combination helps meet common electrical safety and performance requirements in manufacturing and distribution environments.
Warranty follows Eaton’s policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This provides coverage for manufacturing defects and supports planned maintenance and component lifecycle management in automated facilities.