Eaton N48D25F15CUNV Transformer - UL Listed
Part Number: N48D25F15CUNV
Quick Summary
Eaton N48D25F15CUNV transformer delivers reliable three‑phase power distribution for industrial controls. In automation environments, voltage sags, dust, and space constraints can disrupt uptime; this transformer is designed to minimize those risks. UL Listed with a NEMA 3R enclosure and indoor‑outdoor capability provides robust regulatory compliance and installation flexibility. The rugged KT-13/DT-3E design pairs with copper windings and dual voltage taps to support stable operation across fluctuating plant supply. This combination translates to fewer voltage‑related faults and easier maintenance, delivering tangible business value through improved reliability and energy efficiency in power management and distribution applications.
Product Information
Extended Description
N48D25F15CUNV 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, 599A, ES, 60 Hz, NEMA 3R
Product Name
Eaton Totally enclosed non-ventilated transformer
Catalog Number
N48D25F15CUNV
UPC
786680102646
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
Coil material
Copper
Design
KT-13/DT-3E
Enclosure
NEMA 3R
Frame
912BN
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Type
Totally enclosed, non-ventilated transformer
Wiring connection
599A
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220 V
Temperature rise
115 °C rise
Volt ampere rating
15 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - N48D25F15CUNV
Selling Policy 25-000 - Distribution and Control Products and Services
Totally enclosed, non-ventilated design with a NEMA 3R enclosure protects windings from dust and moisture, reducing maintenance and extending service life. This enclosure choice lowers lifecycle costs and simplifies installation in both indoor panels and outdoor equipment racks, supporting dependable automation infrastructure. The 15 kVA rating with 480 V primary and 220 V secondary and copper windings delivers efficient, low‑loss power transfer, reducing heat in control circuits and enabling compact, cost‑effective panel designs for manufacturing lines and automation cabinets. Voltage taps provide precise regulation with two taps at +2.5% and two at -2.5%, allowing compensation for supply fluctuations and maintaining load tolerance for sensitive PLCs and drives. Three‑phase, 60 Hz operation with a robust KT‑13/DT‑3E design ensures reliable power for medium‑load equipment, while weathershield indoor-outdoor capability broadens installation options in harsh plant environments. UL Listed certification and Eaton’s 25‑000 warranty policy add regulatory confidence and post‑sale support, aligning with compliance needs and total cost of ownership considerations for automation projects.
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FAQs
When installing the N48D25F15CUNV, ensure a stable mounting surface, adequate clearance for ventilation and taps, and compliance with local electrical codes. The NEMA 3R enclosure supports indoor-outdoor placement, so locate the unit in a protected but accessible area for maintenance. Verify wiring connections follow the 599A standard and observe the 480 V to 220 V secondary configuration for correct panel integration.
This transformer is a 15 kVA, three‑phase unit with a 480 V primary and 220 V secondary. It operates at 60 Hz and uses copper windings. It includes taps at two positions of +2.5% and two at -2.5% to regulate output voltage, and features an electrostatically shielded design for reduced interference in control circuits.
Yes. It uses a NEMA 3R enclosure and is rated for indoor-outdoor service, supporting harsh environments typical of manufacturing floors and outdoor equipment locations. The Weathershield designation confirms suitability for variable exposure, while the totally enclosed, non-ventilated design helps keep windings protected and downtime low.
The transformer is UL Listed, a critical safety and compliance certification for electrical equipment. This, combined with the NEMA 3R enclosure and indoor-outdoor capability, ensures regulatory compliance and safer installation in both controlled panels and exposed environments, reducing risk during commissioning and ongoing operation.
The enclosure protects internal components, reducing corrosion and dust ingress, which lowers maintenance frequency and costs. The voltage taps enable precise regulation, improving load stability and reducing fault‑related downtime. Overall, the 15 kVA, copper windings, and robust construction contribute to longer service life and a favorable total cost of ownership in automation projects.