Eaton N48D25F15CUNVSRTR Transformer - UL Listed

Part Number: N48D25F15CUNVSRTR
Manufacturer
Eaton
Part number
N48D25F15CUNVSRTR

Quick Summary

Eaton N48D25F15CUNVSRTR transformer delivers reliable 15 kVA three-phase power from 480 V to 220/115 V for demanding industrial loads. Maintaining voltage stability and minimizing noise in compact equipment can be tough when you juggle multiple loads and variable duty cycles. UL Listed certification, a NEMA 3R enclosure for indoor-outdoor installation, and a 60 Hz rating ensure regulatory compliance and broad field readiness. Designed for industrial environments, it supports rugged service and straightforward installation, reducing downtime. With copper windings and the KT-13/DT-3E design, this transformer offers efficiency, heat resilience, and long-term reliability—supporting power management objectives and lower operating costs for critical applications.

Product Information

Extended Description

N48D25F15CUNVSRTR Eaton: Totally enclosed non-ventilated transformer, KT-13/DT-3E, Three-phase, Primary voltage: 480V, Taps: 2 at +2.5% FCAN, 2 at -2.5% FCBN, Secondary voltage: 220V, 115°C, 15 kVA, Cu windings, FR912BN, ECN, ES, 60 Hz, NEMA 3R
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D25F15CUNVSRTR
UPC
786680102653
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
485 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
Certified Test Report of NEMA ST-20 Sound Level (on CMI style), Certified Test Report of Standard Production Test (on CMI style)
Coil material
Copper
Enclosure
NEMA 3R
Wiring connection
599A
Type
Totally enclosed, non-ventilated transformer
Design
KT-13/DT-3E
Frame
912BN
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Frequency rating
60 Hz
Volt ampere rating
15 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220 V
Temperature rise
115 °C rise
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Totally enclosed non-ventilated transformers minimize dust ingress and maintenance needs in harsh environments, while the rugged NEMA 3R enclosure enables reliable indoor-outdoor installation for control panels and switchgear assemblies. This design translates to lower service calls and a smaller total cost of ownership in manufacturing lines and process plants. Copper windings reduce resistive losses, improving overall efficiency and helping meet energy-management targets in power distribution systems. The KT-13/DT-3E design delivers stable, predictable voltage performance under varying load conditions, which helps protect sensitive drives and controls and supports compliant start-up sequences in industrial automation. 60 Hz operation aligns with standard U.S. power systems, simplifying procurement and reducing integration risk across multiple machines. The 15 kVA rating provides a robust margin for motor loads, lighting, and auxiliary circuits in distribution panels, while the 480 V primary and 220 V secondary configuration supports common industrial architectures. Tap settings, two at +2.5% FCAN and two at -2.5% FCBN, enable precise voltage regulation to compensate for long feeders or supply fluctuations on the shop floor. Installation is simplified by a compact footprint (16.5 in depth x 23 in width x 30 in height) and a copper-wound coil design that improves thermal performance during peak loading, further reducing maintenance cycles and enabling easier compliance with industrial electrical standards.

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FAQs

Plan for a NEMA 3R indoor-outdoor enclosure, mount in a stable location, and accommodate a 16.5 in depth, 23 in width, and 30 in height footprint. Use the 599A wiring connection and ensure proper clearance for taps (+2.5% and -2.5%). Verify mounting on a flat, level surface and follow local codes for three-phase, 480 V input and 220 V secondary connections.
The unit is rated for 15 kVA, three-phase, with a primary voltage of 480 V and a secondary voltage of 220 V. It includes taps at two points for +2.5% and two points for -2.5% to adjust voltage under varying conditions.
Yes, it is UL Listed. This certification supports safety compliance, helps simplify procurement and regulatory acceptance, and indicates the product meets established performance and safety standards for electrical equipment.
It features a NEMA 3R enclosure designed for indoor-outdoor use, providing protection against rain and other weather elements while enabling installation in both controlled and outdoor environments on factory floors or equipment cabinets.
The unit carries Eaton's warranty terms: 25-000, with one year from installation or 18 months from shipment, whichever occurs first. Copper windings, robust KT-13/DT-3E design, and a durable enclosure contribute to reduced maintenance needs and improved reliability for uptime in critical production lines.