Eaton S39N12S10XSS Encapsulated Transformer - UL Listed
Part Number: S39N12S10XSS
Quick Summary
Eaton encapsulated transformer provides reliable power isolation for control panels and industrial automation systems. This unit addresses the common pain of moisture and corrosion in harsh environments where downtime hurts production. It carries UL Listed certification and a rugged NEMA 3R enclosure, with a Grade 304 stainless steel option for outdoor service, enabling indoor-outdoor reliability. With a 10 kVA rating and 400 V to 120 V single-phase output, it fits standard plant architectures while preserving efficiency. The design supports straightforward installation and durable operation, delivering code-compliant performance and lower lifecycle costs for machinery, conveyors, and automation hardware.
Product Information
Extended Description
S39N12S10XSS Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 180, 50-60 Hz, single-phase, 400 V, 120 V, NONE, 115 °C rise, 10 KVA, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S39N12S10XSS
UPC
786680094194
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
229 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, Grade 304 stainless steel enclosure
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
180
Tap size
None
Type
General-Purpose Encapsulated Transformer
Frequency rating
50-60 Hz
Phase
Single-phase
Primary voltage
400 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Encapsulated design uses an aluminum coil and a rugged enclosure to resist moisture, dust, and impact, reducing corrosion risk and unplanned downtime. This translates to longer service intervals and lower maintenance costs, making it ideal for control panels, motor starters, and outdoor equipment in harsh industrial settings. The unit supports 400 V to 120 V single-phase power at 50–60 Hz, aligning with common plant architectures and simplifying panel wiring while maintaining efficiency and reliability. At 10 kVA and an 115 °C rise rating, it delivers ample headroom for machine tools, conveyors, and robotics without overcooling or excessive energy waste. Weathershield construction and UL Listed certification address compliance and safety, while a 229 lb footprint and 13.38 in by 19 in profile ease installation in limited spaces. This transformer also integrates smoothly with standard procurement and maintenance practices, reducing total cost of ownership.
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FAQs
The S39N12S10XSS is a single-phase 10 kVA transformer that steps 400 V down to 120 V, designed for 50–60 Hz control circuits. Its aluminum coil and encapsulated EP design ensure low leakage and reliable voltage delivery to PLCs, drives, and sensors, while simplifying wiring in standard panel configurations.
Due to the NEMA 3R indoor-outdoor enclosure and UL Listed certification, this transformer is suitable for both indoor and protected outdoor installations. Plan for a stable base to support the 229 lb weight, ensure adequate clearance for cooling, and place away from corrosive atmospheres. Wiring should follow 400 V to 120 V connections and comply with local electrical codes.
Key specs include a 10 kVA VA rating, 400 V primary, 120 V secondary, single-phase operation, 50–60 Hz frequency, aluminum coil, and 115 °C rise. The enclosure is NEMA 3R, with an indoor-outdoor rating, and UL Listed certification to meet safety and performance standards in industrial environments.
The S39N12S10XSS carries UL Listed certification for safety and performance. It features a rugged NEMA 3R enclosure suitable for indoor-outdoor service, and Eaton provides documentation supporting code compliance. The unit also meets general industrial standards for general-purpose encapsulated transformers.
Eaton offers a one-year warranty from installation or 18 months from shipment, whichever occurs first. This coverage supports a range of reliability needs, and Eaton’s technical support can assist with installation guidance, warranty claims, and performance optimization as part of standard procurement.