Eaton S20N11S10N General-Purpose Transformer - UL Listed
Part Number: S20N11S10N
Quick Summary
General-purpose encapsulated transformer isolates and steps down power for control panels in industrial environments. Operators often face reliability and space constraints in rugged facilities, where a compact, enclosed unit reduces wiring complexity and exposure. UL Listed safety, a NEMA 3R indoor-outdoor enclosure, and a 115 °C rise rating provide essential compliance and robust performance under load. With a 10 kVA rating and aluminum windings, it delivers dependable power conditioning for automation racks and panel builders, while simplifying procurement through compatible voltage combinations.
Product Information
Extended Description
S20N11S10N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 179, 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
S20N11S10N
UPC
786680102998
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
189 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
Model N
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
179
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
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
The encapsulated EP enclosure with a NEMA 3R rating provides rugged protection against dust, moisture, and weather, enabling dependable operation indoors and outdoors. This durable construction reduces field wiring errors and downtime by keeping windings and connections sealed. It’s well suited for control panels in manufacturing lines and outdoor equipment enclosures where environmental exposure is a factor. Aluminum windings reduce weight and material cost without compromising electrical performance or thermal stability. This translates to easier installation on racks and lower handling risks during maintenance, a meaningful advantage for busy panel shops. The primary 240/480 V and secondary 120/240 V voltages cover common facility mains and device requirements, allowing a single unit to serve multiple loads. This versatility minimizes stock variety and simplifies wiring layouts for panel builders and machine tool installations. With a 10 kVA VA rating, the transformer handles a host of control circuits and automation devices within a single enclosure. This capacity supports scalable panel designs and reduces the need for oversizing or parallel transformers, cutting both upfront costs and long-term energy losses. Operating at 60 Hz with single-phase power aligns with typical US industrial systems, ensuring straightforward integration with existing electrical infrastructure and minimizing site adaptation time. Indoor-outdoor Weathershield and UL Listed certification provide compliance across installation scenarios, including equipment rooms, exterior walls, or protected yards. The rugged build supports reliability in harsh environments and reduces maintenance frequency for mission-critical controls.
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FAQs
For installation, ensure the unit is mounted in a compliant enclosure or protected location consistent with NEMA 3R ratings. Verify adequate ventilation, clearance for service access, and secure mounting to support the 189 lb weight. Use appropriate wiring practices for 240/480 V primary and 120/240 V secondary circuits, and reference Eaton datasheets for torque specs and terminal block layout.
This transformer is a 10 kVA, single-phase device operating at 60 Hz. Primary voltages are 240 V and 480 V, with secondary voltages of 120/240 V. It features aluminum windings, an EP enclosure, and a 115 °C rise rating, suitable for indoor-outdoor installations and rugged control-panel environments.
Yes. The unit is encased in a NEMA 3R enclosure designed for indoor-outdoor use and protected against moisture and contaminants. Its Weathershield and UL Listed certification further support reliable operation in both protected indoor rooms and outdoor equipment spaces, reducing maintenance and replacement costs in challenging environments.
The S20N11S10N is UL Listed, which confirms compliance with recognized safety standards for electrical equipment. This certification helps ensure safer installation, reduces project risk, and simplifies procurement for facilities pursuing regulatory and sustainability requirements in electrical distribution and control systems.
The transformer fits within a footprint defined by 10.52 inches depth, 13.38 inches width, and 19 inches height, with a product weight of 189 pounds. Plan for a service-access area and secure mounting, considering these dimensions to accommodate wiring, cooling, and maintenance clearances in panel enclosures or outdoor housings.