Eaton S20N11S10CECU General-Purpose Transformer - UL Listed
Part Number: S20N11S10CECU
Quick Summary
Eaton S20N11S10CECU is a general-purpose encapsulated transformer designed for indoor-outdoor power distribution in industrial facilities. Engineers often struggle with mismatched voltages and unprotected enclosures in harsh environments. UL Listed and CE marked certifications, along with a rugged NEMA 3R enclosure, provide regulatory compliance and weather resistance for diverse sites. The copper-wound 10 kVA unit delivers reliable, isolated power with efficient transfer and minimal heat, supporting critical loads. With a 240/480 V primary and 120/240 V secondary, it simplifies panel design, improves spare parts planning, and reduces downtime across manufacturing floors and distribution cabinets.
Product Information
Extended Description
S20N11S10CECU Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 240 x 480v, sv: 120/240v, 115°c, taps: none, 10 kva, cu windings, frame: 179, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S10CECU
UPC
786680076947
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
226 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
CE Marked
Coil material
Copper
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
Feature: 10 kVA single-phase transformer with primary voltage options of 240 V and 480 V and secondary output of 120/240 V. Business Impact: Enables flexible site wiring and consistent power delivery to control panels, reducing design iterations and energy waste. Application: Ideal for machine controls and distribution panels in facilities using mixed-voltage machinery. Feature: Copper windings for high conductivity and durability. Business Impact: Improves efficiency, reduces I2R losses, and extends life under continuous duty in harsh environments. Application: Suitable for high-reliability applications in manufacturing lines and process controls. Feature: Frame 179 with NEMA 3R enclosure providing indoor-outdoor protection. Business Impact: Withstands weather, dust, and incidental moisture, limiting maintenance and replacement costs. Application: Outdoor installations and semi-enclosed spaces in warehouses or remote equipment enclosures. Feature: 60 Hz operation and 115 °C rise specification. Business Impact: Predictable performance under normal industrial temperatures, enabling safe thermal margins for continuous operation. Application: Power conversion for industrial automation systems and panel boards. Feature: 3A wiring connection and no taps. Business Impact: Simplifies installation, reduces configuration errors, and lowers upfront wiring costs. Application: Quick integration into existing control wiring schemes in new builds or retrofits. Feature: Weathershield indoor-outdoor capability with UL Listed and CE Marked compliance. Business Impact: Combines safety, regulatory readiness, and flexibility for diverse installations. Application: Global deployments across facilities requiring compliant, rugged transformers for critical loads.
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FAQs
For mixed-voltage installations, mount the unit in a compliant NEMA 3R enclosure and connect to 240 V or 480 V primary with a 120/240 V secondary. Ensure proper clearance for cooling, follow the wiring connection 3A specification, and verify UL Listed/CE compliance for local regulatory requirements. The unit’s rugged enclosure supports outdoor or semi-enclosed spaces, reducing covariate protection concerns.
This transformer is UL Listed and CE marked, confirming compliance with North American safety standards and relevant European regulations. These certifications simplify cross-border purchasing, regulatory approvals, and marketplace acceptance for industrial control panels, distribution boards, and equipment installed in diverse environments.
Key specs include a 10 kVA volt-ampere rating, single-phase design, primary voltages of 240 V or 480 V, secondary voltages of 120/240 V, copper windings, 60 Hz frequency, and a 115 °C rise. These values define isolation, duty cycle, and thermal performance for reliable continuous operation in automation and power-distribution applications.
Yes. The unit features a NEMA 3R enclosure and Weathershield designation for indoor-outdoor use, enabling deployment in outdoor or semi-exposed locations. Its rugged construction, combined with UL Listed and CE marking, ensures safe operation in varied weather conditions while protecting critical loads in industrial facilities.
Common applications include powering control panels and automation equipment in manufacturing lines, distribution to 120/240 V loads from a 240/480 V supply, and providing reliable feeder power in facilities requiring rugged, compliant transformers with a compact footprint and straightforward installation.