Eaton S20K11S03CUS64X Transformer for NEMA 4X
Part Number: S20K11S03CUS64X
Quick Summary
The Eaton S20K11S03CUS64X is a general-purpose encapsulated transformer for control panels and equipment isolation. This design addresses downtime and moisture ingress by combining a rugged NEMA 4X indoor-outdoor enclosure with copper windings that stand up to harsh conditions. Key protections include indoor-outdoor suitability, a 60 Hz frequency rating, and a 3 kVA copper-wound core that supports critical load stability. With primary voltages of 240 and 480 V and secondary 120/240 V, the unit provides flexible integration for industrial controls, machine tools, and panel distributors.
Product Information
Extended Description
S20K11S03CUS64X Eaton: Eaton, general purpose encapsulated transformer, ep single-phase 240 x 480v 1 at -10% fcbn x 2 at -5% fcbn 120/240v 1 3 kva copper windings 176 9a indoor-outdoor 60 hz nema 4x
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20K11S03CUS64X
UPC
786680116490
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 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
Copper
Design
EP
Enclosure
NEMA 4X
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
3 kVA
Weathershield
Indoor-Outdoor
Feature: Copper windings and epoxy encapsulation provide high reliability in challenging environments. Benefit: Reduced energy losses and improved heat management extend service life and uptime. Application: Control panels and automated equipment in harsh facilities. Feature: NEMA 4X indoor-outdoor enclosure with 316 stainless steel construction. Benefit: Superior corrosion resistance and washdown compatibility lower maintenance needs and upkeep costs. Application: Outdoor substations, food/beverage processing, and chemical plants. Feature: 3 kVA rating with 240/480 V primary and 120/240 V secondary at 60 Hz. Benefit: Flexible power distribution across common plant voltages, enabling quicker integration and fewer adapters. Application: Machine tools, panel distributors, and distributed control systems. Feature: Tap size options 1 at -10% FCBN x 2 at -5% FCBN. Benefit: Voltage regulation accommodates load swings and supply variations, improving control stability. Application: Panel boards and MCCs in fluctuating electrical environments. Feature: Compact footprint with 8 in L, 14.25 in H, 7.69 in W. Benefit: Easier mounting and space optimization in tight control cabinets. Application: Industrial control cabinets and space-constrained equipment racks. Feature: 1-year warranty from Eaton. Benefit: Clear support window and predictable maintenance planning. Application: Procurement and long-term budgeting for plant automation.
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FAQs
The unit supports 240 V and 480 V primary voltages with a 120/240 V secondary, operates at 60 Hz, and uses copper windings for efficient voltage transformation. This makes it a versatile choice for common industrial power distribution needs and control panels.
Install in a protected area or NEMA 4X rated enclosure to resist moisture and dust. Ensure adequate clearance for cooling, proper door access for maintenance, and compatible mounting to suit control cabinets or equipment racks.
Ideal for control panels, machine tool power distribution, and equipment isolation in harsh industrial environments. Its 3 kVA rating and dual primary voltages support compact, reliable panel solutions in manufacturing facilities.
Certifications are listed as Contact Manufacturer in the data. The unit features a NEMA 4X indoor-outdoor enclosure and 316 stainless steel construction, offering robust protection for outdoor and washdown environments. Verify CE or SIL requirements with Eaton if applicable to your project.
Copper windings and epoxy encapsulation reduce moisture ingress and outperform alternative winding materials in reliability. The rugged enclosure lowers maintenance, reduces downtime, and supports longer service life, yielding favorable total cost of ownership in routine automation updates.