Eaton S39D15S10X General-Purpose Transformer - UL Listed
Part Number: S39D15S10X
Quick Summary
The Eaton S39D15S10X general-purpose encapsulated transformer delivers reliable power isolation for low- and medium-load applications in industrial controls. Downtime from voltage fluctuations can disrupt sensitive equipment and extend project timelines. UL Listed protection, a NEMA 3R enclosure for indoor-outdoor use, and 50/60 Hz compatibility help ensure compliance and reliability. As a compact, plug-ready solution for power distribution, it reduces wiring complexity and supports fast panel integration. This transformer also enables easier voltage regulation with taps and a robust aluminum winding for long service life. Engineers will appreciate the compact footprint and straightforward mounting, which streamline installation in control cabinets and switchgear. With a 10 kVA rating and dual voltage taps, the unit offers reliable margin for startup surges and future expansion.
Product Information
Extended Description
S39D15S10X Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 180, 50-60 Hz, single-phase, 400 V, 115 V, 2 at +2.5% FCAN, 2 at -2.5% FCBN, 115 °C rise, 10 KVA, indoor-outdoor, 517J
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S39D15S10X
UPC
786680051883
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
210 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
50/60 Hz
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
180
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
517J
Frequency rating
50-60 Hz
Phase
Single-phase
Primary voltage
400 V
Secondary Voltage
115 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S39D15S10X
Selling Policy 25-000 - Distribution and Control Products and Services
The 10 kVA, 400 V to 115 V, single-phase design provides efficient power conversion for industrial control loads, delivering stable voltage with minimal losses and a compact footprint. Business impact: improved control reliability and reduced energy waste; Application: power rails for PLCs, relays, and motor starters in machine automation. The aluminum winding lowers weight and material costs while maintaining thermal performance, enabling easier handling during installation and service calls. Business impact: lower total cost of ownership and simpler maintenance; Application: field service and panel assembly where weight matters. The dual-tap arrangement of 2 at +2.5% FCAN and 2 at -2.5% FCBN supports voltage regulation under fluctuating mains, improving performance for sensitive sensors and drives. Business impact: tighter voltage tolerance, fewer nuisance trips, and extended equipment life; Application: OEM panel builds and retrofit projects. The NEMA 3R enclosure provides indoor-outdoor protection, reducing enclosure-related failures and enabling outdoor installations where control gear resides. Business impact: higher uptime in harsh environments; Application: outdoor switchgear, weather-exposed control panels, and distributed control systems. The 115 °C rise rating confirms dependable operation in hot environments and crowded cabinets, while the rugged construction and 517J wiring connection facilitate robust, compliant installations. Business impact: reliable performance under load, easier wiring practices, and faster commissioning. The overall footprint—13.38 in wide, 19 in high, and 10.52 in deep—offers flexible mounting in compact panels and limited spaces. Business impact: optimized panel layouts and easier rack integration, with compatibility for 50/60 Hz systems. The UL Listed certification and 50/60 Hz catalog notes reinforce safety and compliance in regulated environments. Warranty support under Eaton’s policy adds assurance for ongoing operations and maintenance planning.
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FAQs
Installers should connect the 400 V primary to the transformer's primary terminals and route the 115 V secondary to the targeted loads in the panel. Verify 50/60 Hz operation and ensure the voltage taps are set to the expected +/− 2.5% range for the feed. Use the approved wiring connections (517J) and secure mounting within the NEMA 3R enclosure to protect against environmental exposure. Always follow manufacturer installation guidelines and local codes for safe operation.
The S39D15S10X provides two taps at +2.5% FCAN and two taps at −2.5% FCBN. These taps enable fine voltage regulation to compensate for supply variations, improving voltage stability for sensitive loads and reducing nuisance faults in PLCs and drive circuits.
Yes. The transformer uses a NEMA 3R enclosure designed for indoor-outdoor installations, offering protection against moisture and dust. Its aluminum winding and robust construction support reliable performance in outdoor switchgear, weather-exposed control panels, and distributed control systems when installed per Eaton guidelines.
The unit is UL Listed, indicating compliance with safety standards for electrical devices. Catalog notes specify 50/60 Hz operation, ensuring compatibility with common utility frequency ranges. Always confirm local regulatory requirements and applicable CE or other certifications as needed for your region.
Eaton provides a warranty under policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports troubleshooting, parts, and replacement considerations during the initial period of ownership, helping reduce lifecycle risk for critical control applications.