Eaton S20N11S02CUSS General-Purpose Transformer - UL Listed
Part Number: S20N11S02CUSS
Quick Summary
Eaton S20N11S02CUSS is a general-purpose encapsulated transformer for reliable power distribution in control panels and outdoor enclosures. This 2 kVA, 60 Hz device helps engineers consolidate transformer footprints without compromising safety or performance. The enclosure is rated NEMA 3R and designed for indoor-outdoor use, reducing weather-related maintenance while delivering robust operation. UL Listed certification is complemented by a Grade 304 stainless steel enclosure option to meet demanding environments and corrosion resistance. With dual primary voltages of 240/480 V and dual secondary voltages of 120/240 V, this transformer enables flexible, plug-and-play integration into existing distributions. The result is improved reliability, space efficiency, and faster project timelines for commercial and industrial settings.
Product Information
Extended Description
S20N11S02CUSS Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 68, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 2 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S02CUSS
UPC
786680060601
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
46 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
Grade 304 stainless steel enclosure
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
68
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
2 kVA
Weathershield
Indoor-Outdoor
Feature: Copper windings and encapsulated design. Business Impact: Higher efficiency, reduced stray losses, and improved short-circuit protection translate to lower energy costs and safer operation. Application: Ideal for compact control panels and equipment racks where heat management is critical. Feature: 2 kVA power rating. Business Impact: Adequate headroom for moderate-load panels minimizes the need for oversized transformers, lowering material costs and installation footprint. Application: Suitable for machine controls and small distribution boards. Feature: Dual primary and dual secondary voltages (240/480 V in, 120/240 V out). Business Impact: Flexible sourcing and simplified integration with existing electrical infrastructure reduce engineering time and wiring errors. Application: Quick deployment in mixed-voltage facilities and retrofit projects. Feature: NEMA 3R indoor-outdoor enclosure. Business Impact: Weather resistance and rugged protection extend service life in harsh environments, reducing maintenance cycles. Application: Outdoor panels, damp locations, and harsh industrial areas. Feature: Weathershield indoor-outdoor capability and Grade 304 stainless steel enclosure option. Business Impact: Enhanced corrosion resistance and regulatory compliance in challenging environments. Application: Food, beverage, or outdoor applications requiring extra enclosure protection. Feature: UL Listed and copper coil material. Business Impact: Compliance with safety standards and reliable copper winding performance improve warranty coverage and long-term reliability. Application: Standard across critical power distribution installations and OEM panels. Feature: 68 frame and 3A wiring configuration. Business Impact: Compact footprint with straightforward wiring simplifies installation and serviceability. Application: Control cabinets with limited depth and space constraints.
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FAQs
The S20N11S02CUSS is designed for straightforward installation in control panels and outdoor enclosures. It features a 68 frame, NEMA 3R indoor-outdoor enclosure, and copper windings for reliable performance. Ensure space for ventilation, proper clearance, and secure mounting. Use the 3A wiring configuration and verify the 240/480 V input with the 120/240 V outputs to match your panel schedule.
Key specs include a 2 kVA power rating, 60 Hz frequency, single-phase design, primary voltages of 240/480 V, and secondary voltages of 120/240 V. The transformer features copper windings and a 115 °C rise, which informs heat management plans. The UL Listed certification ensures compliance, while the NEMA 3R enclosure supports indoor-outdoor installation.
Yes. The S20N11S02CUSS is rated for indoor-outdoor use with a NEMA 3R enclosure and Weathershield capability. This makes it well-suited for outdoor distribution panels and exposed environments where weather resistance and durable enclosure protection are essential, reducing maintenance frequency and prolonging service life.
The transformer is UL Listed, signifying compliance with safety standards. It also features a NEMA 3R enclosure rating for weather resistance in outdoor or damp locations. For corrosion-prone installations, the Grade 304 stainless steel enclosure option provides enhanced protection and longevity in challenging environments.
Eaton provides a warranty of one year from the date of installation or eighteen months from shipment, whichever comes first. The encapsulated design with copper windings and a robust enclosure minimizes maintenance needs, while UL Listing supports ongoing compliance and reliability in demanding applications.