Eaton V48M28B49CUNV Transformer - UL Listed DT-3E
Part Number: V48M28B49CUNV
Quick Summary
Eaton V48M28B49CUNV is a totally enclosed non-ventilated transformer for reliable power isolation in industrial facilities. Operators in harsh environments contend with moisture, dust, and maintenance gaps that threaten uptime and safety. UL Listed certification and a NEMA 3R enclosure support safe, durable operation in varied conditions, while copper windings and precision voltage taps help maintain voltage stability under load. This 150 kVA unit is well suited for medium‑duty power distribution in manufacturing lines, data centers, and panel boards, delivering robust three‑phase power with scalable performance and predictable maintenance costs.
Product Information
Extended Description
V48M28B49CUNV Eaton: 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, 80°C, 150 kVA, Copper windings, FR919EN, 275A, 60 Hz, NEMA 3R
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28B49CUNV
UPC
786680107283
Product Length/Depth
44.2 in
Product Height
75 in
Product Width
36.23 in
Product Weight
4319 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
919EN
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Totally enclosed, non-ventilated transformer
Wiring connection
275A
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
Volt ampere rating
150 kVA
Weathershield
Indoor-Outdoor
Feature: DT-3E totally enclosed non-ventilated design → Business Impact: Protects windings from dust and moisture while minimizing cooling requirements, boosting reliability and maintenance intervals → Application: Suitable for indoor-outdoor installations in manufacturing plants and service yards. Feature: 480 V primary / 208Y/120 V secondary, 60 Hz three-phase → Business Impact: Enables direct integration with common plant power architectures, reducing the need for extra transformers → Application: Panel boards, motor control centers, and distribution feeders. Feature: Primary taps at +2.5% and -2.5% → Business Impact: Improves voltage regulation under load and supply variations, helping protect sensitive equipment → Application: Critical loads in panel boards and process controls. Feature: Copper windings → Business Impact: Higher conductivity and thermal performance lower I2R losses and extend life under heavy-duty operation → Application: High-load equipment and continuous-duty panels. Feature: Weathershield Indoor-Outdoor with NEMA 3R enclosure → Business Impact: Weather-resistant design reduces enclosure ingress risk and simplifies outdoor siting → Application: Outdoor transformer vaults, sheltered racks, or on-building platforms. Feature: UL Listed certification and warranty details → Business Impact: Ensures compliance and post-sale support, lowering procurement risk → Application: Industrial procurement and long-term maintenance planning. Feature: Weight and dimensions support installation planning → Business Impact: Heavy-lift considerations and rigging planning reduce on-site safety risk → Application: Plants with fixed floor spaces, requiring disciplined site preparation. Warranty: One year from installation or eighteen months from shipment.
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FAQs
Plan for a dedicated 44.2 in length, 75 in height, and 36.23 in width footprint with a 4319 lb weight. Ensure solid floor mounting, proper rigging for lifting, adequate clearance for service access, and compatible panel interfaces. Use the 275A wiring connection and follow local code for three-phase connections at 480 V to 208Y/120 V.
It is a three-phase, 150 kVA transformer with a 480 V primary and a 208Y/120 V secondary, rated for 60 Hz. It includes taps at +2.5% FCAN and -2.5% FCBN to regulate voltage under varying load conditions.
Yes. It features a Weathershield indoor-outdoor design and a NEMA 3R enclosure, making it appropriate for outdoor installations or exposed indoor spaces while maintaining reliability and safety.
The unit carries UL Listed certification for electrical safety, and it is backed by Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever comes first, reducing total cost of ownership.
Ideal for medium-duty power distribution in manufacturing lines, data centers, motor control centers, and panel boards where reliable three-phase power at 480 V to 208Y/120 V is required with robust weather resistance.