Eaton V48M28T22NV Transformer - UL Listed DT-3
Part Number: V48M28T22NV
Quick Summary
Eaton V48M28T22NV Transformer powers three-phase distribution in industrial facilities with dry-type insulation. Many plants struggle with cooling, venting, and space constraints that drive maintenance costs and downtime. UL Listed, DT-3 dry-type construction, and a 150°C rise rating support reliable operation in challenging environments. This unit also features aluminum windings and a 225 kVA rating to balance capacity and efficiency for growing loads. With 480 V primary and 208Y/120 V secondary, it integrates into existing switchgear while delivering predictable power delivery. The totally enclosed non-ventilated design reduces external cooling requirements and simplifies installation in compact electrical rooms, improving uptime for critical processes.
Product Information
Extended Description
V48M28T22NV 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, 150°C, 225 kVA , Al windings , Frame: 919NE
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28T22NV
UPC
786680004339
Product Length/Depth
36.23 in
Product Height
32.02 in
Product Width
44.21 in
Product Weight
2499 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
Aluminum
Design
DT-3
Frame
919NE
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
225 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Feature: 225 kVA three-phase transformer with 60 Hz operation and 480 V primary, 208Y/120 V secondary. Business Impact: Provides robust capacity for multiple loads while maintaining stable voltage rails, reducing overload incidents and enabling scalable plant expansion. Application: Manufacturing lines and process facilities needing reliable step-down power without frequent replacements. Feature: DT-3 dry-type, aluminum windings, frame 919NE. Business Impact: Enhances reliability in harsh environments while lowering lifecycle costs due to corrosion resistance and lighter weight compared to legacy designs. Application: Indoor electrical rooms and outdoor-rated spaces where dust and moisture are present. Feature: Totally enclosed non-ventilated enclosure with a 150°C rise rating. Business Impact: Minimizes maintenance, lowers cooling requirements, and improves safety by isolating coils from contaminants. Application: Enclosed switchgear rooms and spaces with limited ventilation. Feature: Tap changer with 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN. Business Impact: Enables voltage regulation to compensate for supply or load variations, reducing equipment under- or over-voltage events. Application: Critical loads and sensitive electronics that demand stable downstream voltage. Feature: Aluminum coil material, footprint suited to frame 919NE, 36.23 in L x 32.02 in H x 44.21 in W, weight 2499 lb. Business Impact: Facilitates installation planning, easier handling, and space optimization in retrofit projects. Application: Retrofit projects in existing plant rooms where footprint alignment matters. Feature: UL Listed certification and catalog notes confirming compliance and installation suitability. Business Impact: Accelerates procurement approvals and ensures regulatory alignment for code-compliant installations. Application: Any industrial facility requiring certified, safe power distribution equipment.
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FAQs
The transformer measures 36.23 in long, 32.02 in high, and 44.21 in wide, weighing 2499 lb. Its Totally Enclosed Non-Ventilated enclosure simplifies installation in electrical rooms with limited ventilation and reduces the need for external cooling. Ensure floor load capacity, door clearance, and access for maintenance align with the unit’s footprint and weight. Mounting should consider proximity to primary 480 V supply and downstream 208Y/120 V distribution.
The V48M28T22NV provides 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN. This allows fine-tuning of secondary voltage to compensate for supply fluctuations and load variations, reducing voltage drop on sensitive equipment and improving performance of motors, drives, and controls during peak loading or long feeder runs.
Yes. With a 208Y/120 V secondary, aluminum windings, a 150°C rise rating, and UL Listing, the transformer delivers stable voltage for sensitive electronics while maintaining robust protection in harsh environments. Its dry-type DT-3 design minimizes moisture ingress and nuisance cooling, making it suitable for data centers, control rooms, and high-availability manufacturing lines.
The V48M28T22NV is UL Listed and features a DT-3 dry-type, Totally Enclosed Non-Ventilated enclosure. These certifications and design attributes support compliance with electrical codes and industry standards, enable safer operation in mixed-use facilities, and simplify procurement approvals for regulated environments.
The dry-type, sealed enclosure reduces routine maintenance needs and cooling requirements, while aluminum windings offer corrosion resistance and lower maintenance costs over time. The 225 kVA rating supports load growth without frequent replacements, and the included taps provide voltage regulation to minimize wear on downstream equipment, contributing to lower total cost of ownership.