Eaton S20N11S10X General-Purpose Transformer - UL Listed
Part Number: S20N11S10X
Quick Summary
Eaton S20N11S10X General-Purpose Transformer is a rugged encapsulated unit designed for reliable indoor-outdoor power distribution in industrial facilities. For engineers and maintenance teams, the challenge is delivering clean, isolated power without subjecting equipment to moisture, dust, and harsh weather. This transformer solves that with an EP design and a NEMA 3R enclosure, enabling outdoor installations while maintaining indoor performance. It carries UL Listed safety certification and supports 50/60 Hz operation, ensuring broad compatibility with global controls and MCCs. The 10 kVA rating offers scalable capacity for control panels, lighting, and small feeders, while aluminum windings provide durability with lower thermal impedance. By combining a compact footprint with robust protection, it reduces field service, accelerates panel builds, and lowers total cost of ownership for capital-intensive automation projects.
Product Information
Extended Description
S20N11S10X Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 180, 50-60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 10 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S10X
UPC
786680088025
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
212 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
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
50-60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20N11S10X
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Encapsulated EP design with NEMA 3R enclosure. Business Impact: Provides rugged protection against moisture, dust, and weather, enabling reliable operation in mixed environments. Application: Suitable for indoor-outdoor power distribution in factories and outdoor equipment housings. Feature: Aluminum coil material. Business Impact: Improves thermal performance and longevity while reducing weight-related handling during installation. Application: Ideal for high-duty applications where heat dissipation matters in compact footprints. Feature: Dual primary and secondary voltage options (240/480 V primary, 120/240 V secondary). Business Impact: Offers flexible integration with existing plant power rails and downstream equipment without custom rewiring. Application: Controls panels and small feeders requiring dual-voltage compatibility. Feature: 50/60 Hz operation and 10 kVA rating. Business Impact: Supports worldwide equipment standards and scalable load, reducing multi-part inventory. Application: Control cabinets, lighting feeders, and small distribution circuits in industrial facilities. Feature: Temperature rise of 115 °C and UL Listed certification. Business Impact: Enables predictable thermal performance and compliance confidence, simplifying safety audits. Application: Regulated environments where code compliance matters for ongoing maintenance. Feature: 180 frame, 19 in height, 13.38 in width, and 10.52 in depth with 212 lb weight. Business Impact: Clear mounting and space planning in standard racks and enclosures, reducing installation time and site disruption. Application: Panel upgrades and retrofit projects where space is at a premium.
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FAQs
For panel installs, plan space for a 10 kVA single-phase transformer with a 19 in height and 13.38 in width. Mount within an indoor-outdoor rated enclosure (NEMA 3R), ensuring adequate clearance for cooling. Use the 3A wiring connection, wire primaries to 240/480 V and secondaries to 120/240 V per code. UL Listed status supports compliance.
The unit is designed for 50/60 Hz operation and explicitly notes 50/60 Hz compatibility, simplifying integration with machines and controls sourced regionally. This flexibility reduces the need for multiple part numbers and minimizes stocking complexity while ensuring stable performance across standard industrial power systems.
Yes, the S20N11S10X is UL Listed, indicating compliance with safety standards for electrical equipment. It is enclosed in a NEMA 3R rated housing suitable for indoor-outdoor use, and is designed for rugged, weather-resistant operation. These certifications help meet regulatory requirements and streamline inspection processes on-site.
The transformer has a 10 kVA rating with a 115 °C rise, supporting reliable operation under typical industrial loads. Aluminum windings contribute to efficient thermal management, reducing hotspot formation. Together with the protective enclosure, this design minimizes maintenance needs and downtime while maintaining consistent output for control circuits and feeders.
Encapsulation and the NEMA 3R enclosure reduce moisture ingress, dust ingress, and environmental wear, lowering field maintenance and extending service life. UL Listing and robust construction translate to fewer outages and quicker audits, while its compact, modular footprint enables faster panel builds and installation, delivering a favorable total cost of ownership over the equipment lifecycle.