Eaton S20K11S10CUSS4X Transformer - NEMA 4X Enclosure
Part Number: S20K11S10CUSS4X
Quick Summary
Eaton S20K11S10CUSS4X encapsulated transformer provides voltage conversion for control panels in industrial settings. In harsh environments, downtime and moisture ingress can devastate performance; this unit minimizes those risks with a sealed design and rugged enclosure. The product features a NEMA 4X Grade 304 stainless steel housing, copper windings, and a single-phase 60 Hz configuration to withstand washdowns and vibration while maintaining reliable output. Certifications are coordinated with the manufacturer to ensure compliant integration in your facility. For procurement teams, this transformer delivers predictable performance, easy installation, and consistent voltage transformation for dependable power distribution across automation systems.
Product Information
Extended Description
S20K11S10CUSS4X Eaton: Eaton, general purpose encapsulated transformer, ep single-phase 240 x 480v 1 at -10% fcbn x 2 at -5% fcbn 120/240v 150°c 10 kva 179 9a indoor-outdoor 60 hz nema 4x
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20K11S10CUSS4X
UPC
786680116117
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
0.001 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
NEMA 4X Grade 304 stainless steel enclosure.
Coil material
Copper
Design
EP
Enclosure
NEMA 4X
Frame
179
Tap size
1 at -10% FCBN x 2 at -5% FCBN
Type
General-purpose encapsulated transformer
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
150 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Encapsulated design → The epoxy-encapsulated construction reduces moisture ingress and leakage paths, improving reliability in damp or dusty environments. Business impact: less field maintenance, reduced warranty calls, and extended service life for critical control circuits. Application: control panels in manufacturing lines where splash or humidity is a concern. Voltage conversion and ratings → Converts 240/480 V primary to 120/240 V secondary with a 10 kVA rating, simplifying power distribution in machine bays. Business impact: fewer transformers in the supply chain and streamlined panel design. Application: powering PLCs, relays, and instrumentation within industrial automation cabinets. Copper windings → High conductivity and thermal performance support efficient operation and lower heat buildup. Business impact: improved continuous operation and lower cooling costs. Application: equipment clusters with dense loading in automotive and process environments. Tap changes for regulation → Tap size 1 at −10% FCBN and 2 at −5% FCBN enables voltage regulation to compensate supply fluctuations. Business impact: tighter output tolerances and fewer nuisance trips. Application: critical control loops where stable voltage is essential. NEMA 4X enclosure with Grade 304 stainless steel → Superior corrosion resistance for indoor-outdoor installations. Business impact: reduced maintenance downtime and longer service life in washdown or outdoor facilities. Application: conveyors, packaging lines, and outdoor automation cells. Compact footprint and mounting compatibility → Dimensions 10.52 in depth, 13.38 in width, 19 in height; compatible with standard panel layouts. Business impact: easier integration and faster install. Application: retrofit projects and new panel builds in tight spaces. Warranty and support → One-year limited warranty from installation or eighteen months from shipment, whichever occurs first. Business impact: clear ownership of service and predictable cost of ownership. Application: procurement planning and asset management for capital projects.
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FAQs
The unit features a compact footprint with dimensions of 10.52 in (depth) × 13.38 in (width) × 19 in (height), designed for standard panel mounting. Its NEMA 4X enclosure and Grade 304 stainless steel construction support both indoor and outdoor installations, reducing the need for additional protective housings. Ensure adequate clearance for cooling and access to taps for maintenance.
This transformer provides 10 kVA of power with 240/480 V primary and 120/240 V secondary output. It operates at 60 Hz with a single-phase configuration. Tap changes are available at 1 at -10% FCBN and 2 at -5% FCBN to help compensate supply variation and maintain output within tolerance.
Yes. The unit uses a NEMA 4X enclosure and a Grade 304 stainless steel construction designed for indoor-outdoor environments. This makes it well suited for washdown areas, exterior installations, or locations with exposure to moisture, dust, or corrosion, reducing maintenance intervals and downtime.
Certifications are handled through the manufacturer; the catalog notes indicate 'Certifications: Contact Manufacturer.' In practice, the NEMA 4X enclosure and stainless steel construction support rugged compliance for many industrial environments, while additional UL/CSA or CE certifications should be confirmed with Eaton during procurement for your specific region and application.
The Eaton S20K11S10CUSS4X carries a one-year warranty from installation or eighteen months from shipment, whichever occurs first. For ROI, plan for predictable maintenance windows due to its sealed encapsulation, copper windings for durability, and a design that minimizes moisture ingress and mechanical wear, translating to lower downtime and longer service life in automation facilities.