Eaton S20L11S25CUS6 Transformer - 60 Hz, 25 kVA
Part Number: S20L11S25CUS6
Quick Summary
S20L11S25CUS6 transformer provides reliable power isolation for 25 kVA loads in industrial control panels. Installers often face limited mounting space and the need for rugged, corrosion-resistant gear that can endure harsh environments. Current certifications should be confirmed with Eaton; the catalog notes 'Certifications: Contact Manufacturer' while advertising an indoor-outdoor design with a Grade 316 stainless enclosure (not implying NEMA 4X). This unit features copper windings, 60 Hz operation, and a single-phase configuration for straightforward installation and maintenance. With 240/480 V primary and 120/240 V secondary, plus tap options, engineers gain flexibility, faster deployment, and improved uptime in commercial and industrial power distribution applications.
Product Information
Extended Description
S20L11S25CUS6 Eaton: General-purpose encapsulated transformer EP 1PH 240 x 480V 2 at -5% FCBN x 4 at -2.5% FCBN 120/240V 115°C 25 kVA Copper windings 182 23A Indoor-Outdoor 60 Hz
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20L11S25CUS6
UPC
786680112539
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
326 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
Contact Manufacturer
Catalog Notes
Grade 316 stainless steel enclosure (does not imply NEMA 4X rating).
Coil material
Copper
Design
EP
Frame
182
Tap size
2 at -5% FCBN x 4 at -2.5% FCBN
Type
General-purpose encapsulated transformer
Wiring connection
23A
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
25 kVA
Weathershield
Indoor-Outdoor
Feature: General-purpose encapsulated transformer with copper windings and epoxy encapsulation. Business Impact: Delivers dependable isolation with a compact footprint, reducing panel size and simplifying cabinet layouts. Application: Ideal for control panels, switchgear assemblies, and distributed power supplies in manufacturing facilities. Feature: Copper windings and a 115 °C rise rating. Business Impact: Higher thermal capacity supports steady operation under load surges, lowering the risk of overheating and unplanned downtime. Application: Critical where continuous production uptime is required, such as assembly lines and packaging lines. Feature: Primary voltage 240/480 V and secondary 120/240 V, 60 Hz, single-phase. Business Impact: Broad compatibility with common industrial feeds and easy integration into existing bus systems. Application: Powering PLCs, instrumentation, and control circuits in plants. Feature: Indoor-Outdoor use with Weathershield capabilities and Grade 316 stainless steel enclosure note. Business Impact: Enclosure protection extends service life in challenging environments, reducing maintenance needs. Application: Outdoor yards, wash-down zones, and harsh factory floors. Feature: Tap size 2 at -5% FCBN x 4 at -2.5% FCBN. Business Impact: Enhanced voltage regulation under supply fluctuations, protecting sensitive equipment. Application: Critical loads and remote I/O banks where voltage stability matters. Feature: Weight 326 lb, Frame 182, Dimensions 14.12 in L x 16.35 in W x 23.31 in H. Business Impact: Predictable installation footprint and mounting compatibility with standard enclosures. Application: Retrofit projects and new builds in industrial power rooms and panel assemblies.
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FAQs
The transformer supports a 240/480 V primary and 120/240 V secondary in a single-phase configuration, making it readily compatible with standard industrial feeders and PLC power architectures. Its 182 frame and 14.12 in L x 16.35 in W x 23.31 in H footprint fit common cabinet layouts, reducing rework during panel upgrades.
It includes tap settings of 2 at -5% FCBN x 4 at -2.5% FCBN, enabling improved voltage regulation under supply fluctuations. This helps protect sensitive electronics and control circuits from under- or over-voltage conditions during startup and peak load periods.
Yes, the product is designed for indoor-outdoor use with Weathershield protection and a Grade 316 stainless steel enclosure note. Note that the enclosure note does not imply a formal NEMA 4X rating; verify the final configuration with Eaton for your environment and sealing requirements.
Current documentation indicates Certifications: Contact Manufacturer. For mission-critical applications, confirm CE, IP, and SIL considerations directly with Eaton to ensure the exact configuration meets your regional compliance and safety standards before procurement.
Copper windings deliver high efficiency with lower I2R losses, contributing to reduced operating costs. The encapsulated EP design simplifies installation, lowers maintenance needs, and improves uptime in continuous production environments; the 25 kVA rating supports scalable power to multiple downstream loads with a single unit.