Eaton V52M31B12TCUNV Dry-Type Transformer - UL Listed
Part Number: V52M31B12TCUNV
Quick Summary
V52M31B12TCUNV is a dry-type transformer that reliably supplies power in industrial distribution panels. In harsh plant environments, maintenance and overheating can erode uptime and escalate costs, so robust enclosure and thermal design matter. It carries UL Listed certification and uses a DT-3 dry-type design with copper windings to support long service life; its frame is 918AN and 60 Hz operation ensures compatibility with standard facilities. This model emphasizes efficiency, reliability, and ease of integration into existing power management and distribution schemes, helping engineers meet uptime targets while keeping total cost of ownership favorable. The combination of copper windings, 112.5 kVA rating, and voltage taps supports flexible operation across varied load profiles and input conditions.
Product Information
Extended Description
V52M31B12TCUNV Eaton: Eaton General-Purpose Transformer, Dry Type Distribution, DT-3, Three-phase, PV: 460V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 220Y/127V, 150°C, 112.5 kVA, Cu windings, Frame: 918AN
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
V52M31B12TCUNV
UPC
786680088599
Product Length/Depth
30.68 in
Product Height
62.18 in
Product Width
31.44 in
Product Weight
2370 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
918AN
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
112.5 kVA
Phase
Three-phase
Primary voltage
460 V
Secondary Voltage
220Y/127 V
Temperature rise
150 °C rise
Feature → Business Impact → Application: The V52M31B12TCUNV uses a Totally Enclosed Non-Ventilated (TENV) enclosure, which minimizes dust ingress and reduces cooling needs in rugged environments, delivering lower maintenance costs and improved reliability for manufacturing lines and processing plants. In practice, this translates to extended asset life and fewer unplanned outages in critical power buses. Feature → Business Impact → Application: Copper windings deliver high conductivity and lower resistive losses, yielding improved efficiency and cooler operation under load; ideal for continuous operation in distribution panels feeding motor drives and control systems. Feature → Business Impact → Application: Voltage taps at +2.5% FCAN and -2.5% FCBN provide precise voltage regulation, reducing equipment stress and improving downstream performance for sensitive automation equipment. Feature → Business Impact → Application: DT-3 design with a 918AN frame supports robust mechanical integrity and straightforward mounting, enabling faster installation in tight electrical rooms or retrofit projects. Feature → Business Impact → Application: 60 Hz operation with a 112.5 kVA rating matches typical industrial power demands, ensuring scalable capacity for growing facilities and peak loads. Feature → Business Impact → Application: UL Listed certification validates safety compliance, facilitating procurement and reducing the need for additional third-party testing in many projects. Feature → Business Impact → Application: The 150 °C temperature rise rating enhances thermal resilience, supporting duty cycles with higher ambient temperatures and demanding load profiles common in modern manufacturing. Feature → Business Impact → Application: Copper windings and three-phase configuration support reliability and balanced loading, reducing conductor stress and improving long-term performance in power distribution networks.
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FAQs
Plan for a three-phase, 460 V primary supply with a 220Y/127 V secondary. The unit uses a DT-3 design and a 918AN frame, so ensure adequate clearance in the electrical room, proper mounting, and access to taps (+2.5% FCAN, 4 at -2.5% FCBN) for voltage regulation. Allow space for copper windings and heat dissipation in a dry, indoor environment.
The transformer provides taps at +2.5% FCAN and four at -2.5% FCBN, enabling fine-tuned voltage regulation to accommodate line drop and load changes. This reduces equipment stress on downstream motors and controls, improving uptime and extending component life in motors, drives, and panels.
Yes, the V52M31B12TCUNV is UL Listed, meeting established safety and performance criteria for electrical equipment in industrial settings. This certification simplifies procurement and helps satisfy regulatory requirements when installing in manufacturing floors and distribution panels.
Ideal for dry-type distribution in manufacturing facilities, control panels, switchgear rooms, and service entrances requiring reliable 112.5 kVA capacity, 60 Hz operation, and rugged enclosure. The copper windings and DT-3 design support high reliability in continuous duty applications with demanding ambient conditions.
The unit comes with Eaton’s standard warranty policy (25-000) offering one year from installation or eighteen months from shipment, whichever occurs first. This, combined with UL safety certification and copper windings, helps assure long-term reliability and predictable maintenance planning.