Eaton V48M31T15CUZZ Open-core Transformer - UL Recognized
Part Number: V48M31T15CUZZ
Quick Summary
Eaton Open-core-coil ventilated transformer provides reliable power distribution for industrial control panels and plant automation. In demanding environments, space, cooling, and safety concerns can undermine performance, and this unit addresses those challenges with a dry-type, open-core DT-3 design that promotes ventilation and rapid heat dissipation. Certified to UL Recognized safety standards, it meets robust requirements while delivering dependable service in three-phase applications. With a 15 kVA rating, copper windings, and a 480 V primary feeding 220Y/127 V secondary, it supports common factory power layouts without oversizing equipment. The unit’s durable frame and accessible taps simplify installation, commissioning, and future maintenance, helping integrators optimize panel space, reduce energy waste, and lower lifecycle costs while ensuring reliability across shifts.
Product Information
Extended Description
V48M31T15CUZZ 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: 220Y/127V, 150°C, 15 kVA, Cu windings, Frame: 912C
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M31T15CUZZ
UPC
786680052347
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
199 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 Recognized
Catalog Notes
Open type core and coil assembly
Coil material
Copper
Design
DT-3
Frame
912C
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
15 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220Y/127 V
Temperature rise
150 °C rise
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - V48M31T15CUZZ
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The open-core, ventilated design promotes rapid heat dissipation, improving thermal margins and reducing temperature rise under peak loads. This translates to higher reliability for critical loads in control panels and distribution enclosures, especially in equipment rooms with limited airflow. Feature → Business Impact → Application: A 15 kVA three-phase transformer with a 480 V primary and 220Y/127 V secondary provides ample capacity for typical automation loads, enabling compact panel layouts and reducing the need for oversized equipment in manufacturing lines. Feature → Business Impact → Application: Copper windings offer superior conductivity and durability, improving energy efficiency and reducing long-term insulation stress for mission-critical applications in machine controls and process automation. Feature → Business Impact → Application: Tap changes (+2.5% FCAN, 4 at -2.5% FCBN) provide precise voltage regulation to accommodate site variations, decreasing the risk of downstream equipment upset and improving process stability in dynamic production environments. Feature → Business Impact → Application: The 912C frame and rugged construction simplify installation in standard electrical enclosures and support easy retrofits, lowering commissioning time and enabling straightforward lifecycle maintenance in industrial facilities. Feature → Business Impact → Application: UL Recognized certification supports compliance with safety standards, while the dry-type, open-core design reduces fire risk and enables safer operation in distribution panels and control rooms across industrial settings.
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FAQs
Plan for a sturdy, vibration-minimized mount on a level surface compatible with a 912C frame. Maintain adequate clearance around ventilation paths and avoid enclosing vents. Ensure proper wiring of the 480 V primary and 220Y/127 V secondary circuits, and use the taps correctly (+2.5% FCAN, -2.5% FCBN) to maintain voltage within spec. The unit weighs approximately 199 lb, so use appropriate lifting equipment and secure supports to prevent movement during operation.
The V48M31T15CUZZ is a 15 kVA, three-phase transformer rated for 60 Hz operation. Primary voltage is 480 V and secondary voltage is 220Y/127 V. It features copper windings, a DT-3 design, and an open-core, ventilated construction with a temperature rise of 150 °C. Taps provide ± variation for site voltage conditions. This combination supports reliable control-panel distribution and steady loads in industrial environments.
Yes, for many standard industrial control and automation scenarios. Its dry-type, open-core design minimizes fire risk, and the 15 kVA three-phase configuration handles typical control loads efficiently. The copper windings and DT-3 construction deliver robust electrical performance, while the UL Recognized certification supports compliance with safety requirements in plant environments. Verify enclosure ventilation and ambient temperature to maintain optimal operation.
The V48M31T15CUZZ carries UL Recognized certification, indicating it meets established safety standards for electrical equipment. This aids in regulatory compliance for industrial installations and panel assemblies, accelerating approvals during system design and integration. Always confirm that your installation follows local electrical codes and manufacturer installation guidelines for optimal safety and performance.
As a dry-type transformer with copper windings, it requires minimal routine maintenance compared with oil-filled units. The unit’s weight (~199 lb) suggests careful handling during installation but not ongoing oil management. A dedicated 15 kVA, 60 Hz transformer typically offers long service life with stable voltage, low insulation stress, and reliable performance, reducing downtime and enabling predictable maintenance budgets. The included warranty and UL recognition further support total cost of ownership.