Eaton S20L11S25CUSS Encapsulated Transformer - 115C Rise
Part Number: S20L11S25CUSS
Quick Summary
The Eaton S20L11S25CUSS encapsulated transformer provides reliable power isolation for industrial control panels. Too often, industrial panels suffer from dust ingress, heat buildup, and costly downtime when transformers fail. This model features an encapsulated enclosure for harsh environments, copper windings rated for a 115°C rise, and a 25 kVA rating. Certifications vary by region and application; consult Eaton for CE, UL, or other approvals. In addition to 25 kVA capability, it supports streamlined installation and predictable performance in automation and power distribution. Its compact dimensions and weight facilitate mounting in compact switchgear and control cabinets, with dimensions 14.12 in by 16.35 in by 23.31 in and a weight of 452 lb.
Product Information
Extended Description
S20L11S25CUSS Eaton: General-purpose encapsulated transformer EP 25 KVA ENCAPS XFMR 1PH 240 X 480-120/240 115C RISE COPPER
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20L11S25CUSS
UPC
786680141706
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
452 lb
Certifications
Contact Manufacturer
Type
Encapsulated transformer
Encapsulated enclosure reduces dust, moisture, and chemical exposure around windings, delivering lower maintenance costs and longer service intervals. This translates to higher uptime for automation equipment and safer, more predictable performance in demanding manufacturing environments. In control panels and power distribution skids, the rugged enclosure supports continuous operation with minimal ventilation needs while meeting environmental standards. With a 25 kVA single-phase rating and a 240 V primary feeding a 120/240 V center-tapped secondary, the transformer simplifies panel design and reduces component count in machine cabinets, while copper windings and a 115°C rise provide stable voltage under load surges for PLCs and actuators. The unit’s compact footprint and 452 lb weight offer flexible mounting in existing switchgear and cabinet layouts. Documentation from Eaton confirms compatibility and regional certifications, aiding fast deployment. This transformer is well-suited for industrial automation, machine builders, and power-distribution panels where reliability and service life matter. Customers gain predictable thermal performance, ease of installation, and lower total-cost-of-ownership through reduced maintenance and downtime. In harsh environments, encapsulation and copper windings support long-term reliability, and the 25 kVA rating accommodates a range of control and intermediate-load applications.
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FAQs
The S20L11S25CUSS uses a 240 V primary with a 120/240 V center-tapped secondary in a single-phase configuration, enabling convenient feeding of control circuits and 120/240 V loads from a single 240 V source.
Yes. The encapsulated design provides protection against dust and moisture, making it well-suited for control panels and switchgear. Its 25 kVA rating supports typical automation and machine-control loads, while the compact footprint facilitates installation in crowded enclosures.
The transformer measures 14.12 inches in length, 16.35 inches in width, and 23.31 inches in height, with a weight of 452 pounds, enabling flexible mounting options in existing equipment layouts.
Certifications vary by region and application. Eaton provides documentation and approvals per customer requirements; common regional options include CE and UL where applicable. Always verify the exact certifications for your installation with Eaton or your local distributor.
You can download the Eaton Specification Sheet for S20L11S25CUSS at the official Eaton site, and also access the Commercial Distribution transformer catalog (Volume 2, Tab 2) for broader product context and specifications.