Eaton V48M28F09CUNV Dry Type Transformer - UL Listed, 9 kVA
Part Number: V48M28F09CUNV
Quick Summary
The Eaton V48M28F09CUNV is a dry-type transformer used for three-phase power distribution in industrial facilities. Engineers often contend with enclosure heat, limited ventilation, and the need for precise voltage taps to keep sensitive controls stable. UL Listed certification signals safety and reliability for in-plant installations, while the DT-3 design and copper windings help resist temperature rise in continuous duty. Compact frame 912BN and a totally enclosed non-ventilated enclosure simplify mounting in tight control rooms or switchgear, improving panel density. With 60 Hz operation and a 9 kVA rating, this transformer provides dependable power conversion for 480 V to 208Y/120 V control circuits and machines, reducing downtime and maintenance costs.
Product Information
Extended Description
V48M28F09CUNV Eaton: General-Purpose Transformer, Dry Type Distribution, DT-3, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 115°C, 9 kVA, Cu windings, Frame: 912BN
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28F09CUNV
UPC
786685267456
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
335 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
912BN
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
9 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Feature: 9 kVA, three-phase transformer with 480 V primary and 208Y/120 V secondary provides direct compatibility with common industrial mains and control circuits. Business Impact: Enables reliable panel power with minimal accommodation, reducing spare parts and downtime. Application: Machine centers, process lines, and control panels that require stable, code-compliant distribution. Copper windings improve efficiency and longevity, while a DT-3 design supports rugged indoor environments. Feature: Totally enclosed non-ventilated enclosure minimizes dust ingress and eliminates the need for dedicated cooling fans in clean facilities. Business Impact: Lower maintenance costs and extended service life. Application: Manufacturing floors and switchgear where space is at a premium. Feature: Tap settings 2 at +2.5% FCAN and 4 at -2.5% FCBN provide voltage regulation to accommodate distribution variations. Business Impact: Tightens voltage tolerance at the point of use, reducing equipment stress and downtime. Application: Panel boards and distribution blocks with fluctuating supply voltages. Feature: Frame 912BN and compact footprint (16.5 in L × 23 in W × 30 in H) offer installation flexibility. Business Impact: Easier integration into existing enclosures and lower enclosure modification needs. Application: Control closets and starter cabinets with limited space. Feature: UL Listed certification confirms compliance with safety standards for industrial installations. Business Impact: Simplifies procurement and inspection cycles, supporting faster project delivery. Application: Any in-plant installation requiring recognized safety certification.
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FAQs
Yes. The V48M28F09CUNV is a three-phase dry-type transformer designed for a 480V primary and 208Y/120V secondary. Its copper windings and DT-3 construction ensure robust performance in typical industrial panel boards, control cabinets, and machine feeds. When installing, ensure the 60 Hz supply matches the rated frequency and provide the appropriate clearances around the 912BN frame for cooling and service access.
The transformer provides taps at 2 at +2.5% FCAN and 4 at -2.5% FCBN, enabling fine voltage regulation at the load to accommodate supply fluctuations. This helps maintain stable control voltages for sensitive equipment, reduces nuisance tripping, and improves overall system reliability in environments with variable input voltages.
Industries such as automotive, process manufacturing, packaging, and data center support rely on compact, safe, and low-maintenance power distribution. The 9 kVA rating suits medium-load panels and machine feeds, while the DT-3 dry-type design minimizes cooling requirements and enclosure footprint, making it ideal for compact switchgear and control rooms.
This unit is UL Listed, confirming compliance with recognized safety standards for electrical equipment. The totally enclosed non-ventilated (TENV) enclosure adds protection against dust ingress in industrial environments. Always verify site-specific standards and any additional regional certifications required for your installation.
The V48M28F09CUNV employs copper windings and a robust DT-3 dry-type design, reducing cooling needs and minimizing maintenance compared with liquid-filled transformers. Its UL Listing supports faster procurement and regulatory clearance, while the compact 912BN frame enables easier installation in dense equipment rooms, lowering installation costs and downtime—translating to a favorable total cost of ownership.