Eaton Y57D47T15 General purpose encapsulated transformer - UL Listed
Part Number: Y57D47T15
Quick Summary
Eaton General purpose encapsulated transformer Y57D47T15 delivers a reliable 15 kVA power transformation for industrial control panels and facility electrical distributions. It addresses space constraints and demanding environments by combining a compact footprint with a rugged NEMA 3R enclosure that supports indoor-outdoor installation. This transformer carries UL Listed certification and features aluminum windings for durability, enabling long service life in tough settings. With ±2.5% voltage taps and a 115 °C rise rating, it delivers predictable regulation and dependable operation across load swings. By pairing industry-standard primary and secondary voltages (575 V to 480Y/277 V), it supports efficient, compliant power distribution while simplifying procurement and maintenance.
Product Information
Extended Description
Y57D47T15 Eaton: Eaton General purpose encapsulated transformer, EPT, aluminum, NEMA 3R, 95, 60 Hz, three-phase, 575 V, 480Y/277 V, 2 at +2.5% FCAN, 2 at -2.5% FCBN, 115 °C rise, 15 KVA, indoor-outdoor, 72Z
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
Y57D47T15
UPC
786680099458
Product Length/Depth
10.52 in
Product Height
17.38 in
Product Width
20 in
Product Weight
268 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
Aluminum
Design
EPT
Enclosure
NEMA 3R
Frame
95
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
72Z
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
575 V
Secondary Voltage
480Y/277 V
Temperature rise
115 °C rise
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - Y57D47T15
Selling Policy 25-000 - Distribution and Control Products and Services
Aluminum coil construction reduces weight and enhances thermal performance, easing handling during installation and service. Lighter windings lower crane and rigging costs on site, while aluminum's conductivity supports efficient voltage regulation under load. The EPT encapsulated design provides moisture resistance and rugged protection in harsh environments, helping prevent insulation degradation and limiting dust ingress for long-term reliability in motor control centers and industrial cabinets. NEMA 3R enclosure and indoor-outdoor capability give you versatile placement options with weather resistance, enabling mounting in equipment rooms or exterior locations without sacrificing safety or performance. The tap size of two at +2.5% FCAN and two at -2.5% FCBN delivers flexible voltage regulation for variable loads, reducing downstream equipment stress and improving voltage stability in 575 V to 480Y/277 V circuits. With a 15 kVA rating at 60 Hz, a compact footprint (10.52 in depth, 17.38 in height, 20 in width), and a weight of 268 lb, integration is straightforward in new builds or retrofit projects. UL Listed certification and a one-year warranty (or 18 months from shipment) provide a clear, low-risk procurement pathway and reliable supplier support.
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FAQs
Install the Y57D47T15 as a three-phase transformer with 575 V primary and 480Y/277 V secondary. Use 72Z wiring connections and observe the ±2.5% taps (+2.5% FCAN, -2.5% FCBN) during commissioning. Mount in a location with adequate clearance and ventilation. The NEMA 3R enclosure and UL Listed status support safe indoor-outdoor operation in control panels and MCCs.
Key specifications include a 15 kVA rating, 60 Hz frequency, three-phase configuration, 575 V primary, 480Y/277 V secondary, and a 115 °C rise. The unit uses aluminum windings, features EPT encapsulation, and comes in a NEMA 3R indoor-outdoor enclosure. It weighs 268 lb and has a compact footprint for easy integration with 72Z wiring.
Yes. The Y57D47T15 is designed for outdoor-rated locations thanks to its indoor-outdoor weathershield and NEMA 3R enclosure. It provides reliable protection against dust and weather while maintaining safety and performance. Ensure proper mounting, ventilation, and adherence to local codes to maximize service life in outdoor environments.
The Y57D47T15 is UL Listed and features a NEMA 3R enclosure suitable for indoor-outdoor use. These certifications ensure safety, reliability, and compliance with electrical codes across diverse environments. The UL listing supports safe installation in industrial facilities, while the enclosure rating enables flexible placement in control rooms or exterior locations.
The transformer carries Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance includes visual inspections of the enclosure, connections, and insulation integrity. With aluminum windings and robust insulation, the unit is designed for long life with minimal maintenance; consult Eaton support resources for recommended service intervals.