Eaton V48B28B75CUNV Transformer - DT-3 Dry Type - UL Listed
Part Number: V48B28B75CUNV
Quick Summary
The Eaton V48B28B75CUNV transformer provides dependable three-phase power distribution for industrial facilities. For engineers and procurement teams, balancing reliability, footprint, and maintenance costs in harsh environments can be a major challenge. UL Listed certification underpins safety and compliance for electrical installations. With copper windings, a DT-3 design, and a totally enclosed non-ventilated enclosure, this unit delivers robust performance with reduced downtime. Its 75 kVA rating, 480 V primary and 208Y/120 V secondary addresses common plant power needs, while a compact frame supports straightforward installation and service. This combination helps ensure reliable operation across a range of industrial loads and provides a scalable path for future expansion.
Product Information
Extended Description
V48B28B75CUNV Eaton: General-Purpose Transformer, Dry Type Distribution, DT-3, Three-phase, PV: 480V, Taps: Special, SV: 208Y/120V, 80°C, 75 kVA, Cu windings, Frame: 918AN
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48B28B75CUNV
UPC
786680089541
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1987 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
Totally enclosed non-ventilated
Coil material
Copper
Design
DT-3
Frame
918AN
Tap size
Special
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
The V48B28B75CUNV delivers a 75 kVA three-phase dry-type distribution solution with copper windings, optimizing efficiency for plant feeders and panel boards. The copper windings reduce resistance losses and support longer service life in demanding environments. With a 480 V primary and 208Y/120 V secondary, it directly feeds standard industrial loads and control circuits, simplifying panel design and procurement. The DT-3 design and 918AN frame ensure compatibility with Eaton's distribution footprint while offering straightforward field installation. The totally enclosed non-ventilated enclosure provides robust protection against dust and debris, reducing maintenance needs in challenging sites. The frame, special tap option, and 80 °C rise support voltage flexibility and reliable operation in confined spaces. Installation sizing is predictable with a footprint of about 30.68 in by 31.44 in and a height of 62.18 in, and a weight near 1987 lb, which informs crane or pallet loading and anchoring plans. UL Listed certification further validates safety and regulatory readiness for panel builders and OEMs. From a service perspective, copper windings improve durability and thermal performance, while the 75 kVA rating supports scalable power delivery for manufacturing lines and automation systems. Warranty coverage aligns with Eaton's policy, offering protection against manufacturing defects during the specified periods.
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FAQs
This transformer is designed for standard control panels and machine centers, delivering 480 V primary and 208Y/120 V secondary at 60 Hz. Its compact DT-3 dry-type design and 918AN frame simplify integration with common industrial enclosures, while UL Listed certification supports compliant installation.
Key specs include a 75 kVA rating, three-phase configuration, 480 V primary, 208Y/120 V secondary, 60 Hz frequency, copper windings, and a DT-3 dry-type design inside a totally enclosed non-ventilated enclosure. Operating temperature rise is 80 °C, with a 918AN frame and special tap setting.
Yes. The totally enclosed non-ventilated enclosure protects windings from dust and debris, reducing maintenance needs in challenging sites. Copper windings improve thermal performance, and the 80 °C rise rating supports reliable operation under typical plant loads in demanding environments.
The V48B28B75CUNV carries UL Listed certification, indicating compliance with safety standards for electrical equipment. Specific CE or IP ratings are not listed in the provided specifications.
Warranty follows Eaton’s policy 25-000: one year from the date of installation or eighteen months from shipment, whichever comes first. This aligns with typical Eaton coverage for fielded power distribution equipment, with options for support and service under standard terms.