Eaton V48D47T49NV transformer - UL Listed, 150 kVA, 480Y/277V
Part Number: V48D47T49NV
Quick Summary
Eaton V48D47T49NV transformer provides rugged three-phase power isolation for industrial facilities. In compact plants, overheating, venting, and maintenance costs can derail downtime and efficiency. UL Listed safety certification supports code compliance and safe operation in demanding environments. Designed for 60 Hz distribution with a 150 kVA rating and dual voltage taps, it simplifies installation and long-term service. Aluminum windings and a robust 918AN frame support reliable performance and cost-effective sourcing. This combination reduces total cost of ownership through improved reliability, simpler spare-part compatibility, and faster field service. With its 60 Hz operational envelope, it fits standard electrical rooms and outdoor installations when properly protected.
Product Information
Extended Description
V48D47T49NV Eaton: Eaton Totally enclosed non-ventilated transformer DT-3E Three-phase 480 DELTA 2 at +2.5% FCAN 2 at -2.5% FCBN 480Y/277V 150°C 150 kVA Aluminum windings 918AN 428B 60 Hz
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V48D47T49NV
UPC
786680114649
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
1547 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 DS-3 or DT-3.
Coil material
Aluminum
Design
DT-3E
Frame
918AN
Tap size
2 at +2.5% FCAN 2 at -2.5% FCBN
Type
Totally enclosed non-ventilated transformer
Wiring connection
428B
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480Y/277 V
Temperature rise
150 °C rise
Feature: Totally enclosed non-ventilated enclosure provides reliable protection for the windings and internal components in dusty, humid, and outdoor environments. Business Impact: Reduces routine maintenance, minimizes cooling requirements, and lowers the risk of cooling system failures. Application: Ideal for outdoor substations and harsh factory floors where ventilation is impractical. Feature: 150 kVA rating with 60 Hz operation and dual voltage taps (+2.5% FCAN and -2.5% FCBN) enables tight voltage regulation across fluctuating loads. Business Impact: Improves equipment performance, stabilizes downstream controls, and reduces voltage-related downtime. Application: Plant distribution networks with variable loads and sensitive equipment.Feature: Aluminum windings and a DT-3E/918AN frame deliver robust mechanical strength and cost-effective material sourcing. Business Impact: Lower material costs, easier procurement, and consistent thermal performance under peak loads. Application: Industrial power distribution where long service life and maintenance predictability matter.Feature: Fixed wiring connection 428B and catalog notes DS-3/DT-3 simplify installation and compatibility with existing panels. Business Impact: Shortens installation time, reduces field errors, and enhances interchangeability with standard Eaton accessories. Application: New installations and retrofit projects across manufacturing lines.Feature: 150°C temperature rise rating provides a clear margin for short-term overload scenarios and ambient variability. Business Impact: Greater resilience during startup surges and environmental spikes, lowering preventive maintenance needs. Application: Environments with limited cooling capacity or high ambient temperatures.
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FAQs
Yes. The totally enclosed non-ventilated DT-3E design is optimized for harsh environments, offering protection against dust and moisture. It supports 60 Hz operation with a 480 V primary and 480Y/277 V secondary, and uses a 918AN frame with a 428B wiring connection, making it suitable for standard industrial power distribution layouts both indoors and in protected outdoor locations.
Key specs include 150 kVA, 60 Hz, three-phase configuration, 480 V primary, 480Y/277 V secondary, and a 150 °C rise. Dual taps provide ±2.5% voltage adjustment (2 taps at +2.5% FCAN and 2 taps at -2.5% FCBN). Aluminum windings and frame 918AN support robust electrical performance and mechanical stability.
It is well-suited for a range of demanding industrial applications, including manufacturing lines, processing plants, and outdoor substations, thanks to its rugged enclosure, UL Listed safety certification, and fixed delta-wye configuration. The 480 V to 480Y/277 V capability supports diverse loads commonly found in data centers and process equipment.
The unit carries UL Listed certification, which supports electrical safety compliance and aligns with common code requirements for industrial transformers. This certification helps expedite procurement approvals and ensures safe operation within standard installation practices for DT-3E type equipment.
Warranty terms specify one year from installation or eighteen months from shipment, whichever occurs first, per Eaton policy. The totally enclosed design minimizes ingress and maintenance needs, contributing to reduced downtime and lower lifecycle costs for long-term ROI.