Eaton V48M28T33NV Transformer - UL Listed, 300 kVA, DT-3
Part Number: V48M28T33NV
Quick Summary
The Eaton V48M28T33NV transformer delivers dry-type, totally enclosed distribution power for three-phase industrial facilities. Users often struggle with space constraints, maintenance cycles, and overheating in enclosed power rooms, which can lead to costly downtime. UL Listed certification underpins safety and reliability, and the unit’s totally enclosed non-ventilated design helps protect against dust and moisture in harsh environments. With a 300 kVA rating and a 480 V primary feeding 208Y/120 V secondary, this transformer supports precise voltage tapping and straightforward installation in modern plants. For procurement teams, the robust frame, aluminum windings, and compact enclosure translate into lower lifecycle costs and simpler maintenance planning.
Product Information
Extended Description
V48M28T33NV 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, 300 kVA , Al windings , Frame: 920N
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28T33NV
UPC
786680004346
Product Length/Depth
36.23 in
Product Height
32.02 in
Product Width
44.21 in
Product Weight
2711 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
920N
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
300 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Feature: Dry Type Distribution Transformer (DT-3) with 300 kVA rating and 60 Hz operation. Benefit → Provides safe, maintenance-light power distribution for indoor industrial loads; Application: plant-wide motor control centers and control panels. Feature → Totally enclosed non-ventilated enclosure. Benefit → Minimizes dust/moisture ingress and reduces routine enclosure maintenance; Application → Indoor harsh environments and crowded electrical rooms. Feature → Aluminum windings. Benefit → Lighter weight for handling and good conductivity with durable performance; Application → Retrofit projects and new installations where weight is a constraint. Feature → Tap settings (2 at +2.5% FCAN, 4 at -2.5% FCBN). Benefit → Tight voltage regulation to accommodate supply fluctuations; Application → Facilities with variable input voltage or sensitive 208Y/120 V loads. Feature → Frame 920N and overall dimensions (36.23 in × 32.02 in × 44.21 in). Benefit → Structural compatibility with standard switchgear racks and reliable mounting; Application → Enclosures and switchgear assemblies in compact spaces. Feature → UL Listed certification. Benefit → Regulatory compliance and supplier qualification for procurement; Application → Industrial projects requiring certified safety standards. Feature → Warranty terms (1 year from installation or 18 months from shipment). Benefit → Risk reduction and predictable maintenance budgeting; Application → Industrial asset management and service planning.
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FAQs
Plan for the 36.23 in L x 32.02 in H x 44.21 in W footprint and a weight of 2711 lb. Ensure solid floor mounting, appropriate fork-access, and clear ventilation around the totally enclosed non-ventilated enclosure. Verify 480 V primary supply and 208Y/120 V secondary wiring, plus accessibility to the voltage taps (+2.5% and -2.5%).
Key specs include a 300 kVA three-phase rating, 60 Hz frequency, primary 480 V, secondary 208Y/120 V, and aluminum windings. Voltage regulation is facilitated by taps (2 at +2.5% FCAN, 4 at -2.5% FCBN), enabling tighter secondary voltage under load and around-the-clock reliability for critical loads.
Yes. The V48M28T33NV is specifically designed for 480 V primary feeding 208Y/120 V secondary in three-phase systems, with a dry-type, enclosed design suitable for indoor industrial environments and control panels.
The unit is UL Listed, indicating compliance with recognized safety standards for electrical equipment. This certification supports safe installation in industrial facilities, simplifies supplier qualification, and aligns with stringent QA requirements in procurement and compliance programs.
Dry-type, totally enclosed designs reduce oil-related maintenance and leakage risk, while aluminum windings and a robust frame lower lifecycle costs. The 1-year warranty (or 18 months from shipment) mitigates initial risk, and the UL Listing plus compact enclosure supports faster, predictable maintenance planning and potentially lower total cost of ownership.