Eaton V48M28F49NV Transformer - UL Listed 150 kVA DT-3
Part Number: V48M28F49NV
Quick Summary
Eaton V48M28F49NV Transformer is a dry-type, totally enclosed non-ventilated transformer that delivers reliable three-phase power distribution from 480 V to 208Y/120 V for industrial control panels and equipment rooms. This design helps prevent dust ingress and reduces maintenance in harsh environments, addressing one of the most common causes of transformer downtime. Key safety and performance certifications, including UL Listed compliance, reinforce suitability for regulated industrial settings. The unit combines a DT-3 design with aluminum windings and a 115°C rise, supporting energy efficiency and robust operation. For procurement and integration, its 150 kVA rating plus 60 Hz operation align with standard power distribution schemes while maintaining compatibility with Eaton’s DT-3 family of dry-type transformers.
Product Information
Extended Description
V48M28F49NV Eaton: 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, 150 kVA, Al windings , Frame: 923N
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48M28F49NV
UPC
786680062322
Product Length/Depth
32.65 in
Product Height
32.02 in
Product Width
36.6 in
Product Weight
1 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
923N
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Feature → Business Impact → Application: Totally enclosed non-ventilated enclosure protects windings from dust and moisture, reducing maintenance cycles and extending service life in factory floors and outdoor switchyards. This translates to lower operating costs and improved uptime for critical automation lines. Feature → DT-3 dry-type distribution design provides a compact, air-cooled footprint that simplifies mounting in control cabinets and MCCs, enabling faster installation and easier retrofits in existing plants. Feature → 480 V primary and 208Y/120 V secondary supports standard industrial power distribution, improving compatibility with motor starters and PLC power rails while minimizing the need for additional step-down equipment. Feature → Tap changers (2 at +2.5% FCAN, 4 at -2.5% FCBN) offer voltage regulation to accommodate load fluctuations, reducing voltage-related equipment upset in feeders and control circuits. Feature → Aluminum windings reduce weight and improve conductivity, easing handling during installation and contributing to better short-term response under transient loads. Feature → UL Listed certification ensures safety and reliability for regulated environments, simplifying compliance during audits and supplier approvals. Feature → 150 kVA rating with 60 Hz operation provides ample headroom for common automation loads, while the 115°C rise specification guides cooling and enclosure sizing in plant layouts. The DT-3 frame 923N supports standardized mounting interfaces, enabling straightforward integration with existing racks and enclosures.
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FAQs
The V48M28F49NV is specified for three-phase operation with a 480 V primary and 208Y/120 V secondary, at 60 Hz. Its 150 kVA rating supports typical automation and control loads. Taps at 2 at +2.5% FCAN and 4 at -2.5% FCBN enable voltage regulation for fluctuating loads, ensuring stable downstream equipment performance.
DT-3 design is a dry-type, totally enclosed non-ventilated unit, which simplifies installation in restricted spaces and rugged environments. The frame 923N provides standardized mounting compatibility, facilitating quick integration into control panels, MCCs, and switchgear while reducing enclosure footprint and maintenance needs.
Key specs include a 150 kVA rating, three-phase configuration, primary voltage of 480 V, secondary of 208Y/120 V, 60 Hz frequency, aluminum windings, a 115°C rise, and taps for voltage adjustment (+2.5% FCAN and -2.5% FCBN). The unit is UL Listed and designed for industrial power distribution.
Yes, the transformer is UL Listed, indicating conformity with recognized safety standards for electrical equipment. This simplifies procurement approvals, enhances reliability credentials for audits, and supports compliance in regulated industrial facilities and sites with strict safety requirements.
The fully enclosed non-ventilated design minimizes exposure to dust and moisture, reducing maintenance intervals and downtime. With a 150 kVA rating and robust 60 Hz operation, it supports steady performance under varying loads. A one-year warranty (or 18 months from shipment) complements Eaton’s service policy to protect your investment and improve total cost of ownership.