Eaton S20K11S05S64X General-Purpose Transformer - NEMA 4X
Part Number: S20K11S05S64X
Quick Summary
The Eaton S20K11S05S64X general-purpose encapsulated transformer is a reliable solution for voltage conversion in control panels and industrial equipment. Installing in tight spaces or challenging environments can be demanding, but this unit is designed for indoor-outdoor use and rugged service. Key ratings and protections include a NEMA 4X enclosure (316 stainless steel grade) with indoor-outdoor capability, a 5 kVA rating, and a 60 Hz, single-phase operating profile. These features translate to lower maintenance costs, streamlined procurement, and consistent performance across automation applications such as process control and packaging lines, while aligning with common industry standards for power distribution equipment.
Product Information
Extended Description
S20K11S05S64X 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 5 kva aluminum windings 177 9a indoor-outdoor 60 hz nema 4x
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20K11S05S64X
UPC
786680116384
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 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 316 stainless steel enclosure.
Coil material
Aluminum
Design
EP
Enclosure
NEMA 4X
Frame
177
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
5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20K11S05S64X
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 5 kVA single-phase transformer with 240/480 V primary and 120/240 V secondary. Business Impact: Delivers exact voltage transformation for automation gear with predictable losses and stable output, reducing equipment misoperation and downtime. Application: Control panels and process automation in manufacturing environments. Feature: NEMA 4X enclosure with a 316 stainless steel grade (catalog notes) and Weathershield. Business Impact: Superior corrosion resistance and protection in indoor-outdoor installations, extending service life and simplifying maintenance scheduling. Application: Outdoor enclosures, washdown areas, and exposed industrial sites. Feature: Aluminum coil material. Business Impact: Lower cost and weight without sacrificing electrical performance, enabling easier installation and smaller overall footprint. Application: Compact control cabinets and mobile equipment. Feature: Tap size 1 at -10% FCBN x 2 at -5% FCBN. Business Impact: Output voltage stability through fluctuating supply conditions, reducing risk of equipment misoperation or overheating. Application: Facilities with marginal or variable line voltages. Feature: 150 °C rise insulation and 60 Hz rating. Business Impact: High-temperature insulation support for reliable operation in demanding environments, with compatibility for standard industrial power systems. Application: Continuous duty in industrial facilities and automation lines. Feature: Warranty and documentation (Eaton policy). Business Impact: Clear protection and long-term support, reducing lifecycle risk and ensuring access to datasheets and catalogs. Application: Procurement and long-term maintenance planning for capital equipment.
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FAQs
The S20K11S05S64X is designed for indoor-outdoor service with a NEMA 4X enclosure, offering corrosion resistance through a Grade 316 stainless steel enclosure and Weathershield. Mounting should follow manufacturer guidance for outdoor transformers, ensure proper ventilation, and consider cable routing to minimize exposure to moisture, dust, and heat buildup. This setup supports reliable operation in exposed industrial areas.
This transformer is a 5 kVA, single-phase device with a primary voltage of 240 V or 480 V and a secondary voltage of 120/240 V. It operates at 60 Hz. These ratings make it suitable for feeding 120/240 V equipment from higher-voltage supply in control panels and industrial automation systems.
Yes. The device features a tap size of 1 at -10% FCBN and 2 at -5% FCBN, allowing voltage adjustments to compensate for line fluctuations. This capability helps maintain stable output to critical loads, reducing nuisance trips and preserving equipment performance in variable supply environments.
Eaton provides a warranty per Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For ongoing support, users can access the Eaton specification sheet and catalog references, with authorized service channels and documentation available through Eaton resources to ensure continued compliance and performance.
Official downloads include the Eaton Specification Sheet for S20K11S05S64X and the Commercial Distribution transformer catalog. Access the files to review electrical data, mounting dimensions, testing standards, and installation notes which help with procurement, design validation, and field deployment planning.