Eaton S20N11S25CUS64X Transformer - NEMA 4X Enclosure
Part Number: S20N11S25CUS64X
Quick Summary
Eaton S20N11S25CUS64X encapsulated transformer provides reliable power isolation for general-purpose control panels. In busy plant environments, moisture, dust, and corrosion can drive maintenance costs and downtime, making rugged protection essential. This unit is UL Listed and ships with a NEMA 4X enclosure and a 316 stainless steel construction for indoor-outdoor deployments. It supports 240/480 V primary and 120/240 V secondary circuits, delivering dependable power where space is at a premium. With its robust design, you gain long-term reliability, reduced service interruptions, and predictable electrical performance for high-demand automation applications.
Product Information
Extended Description
S20N11S25CUS64X Eaton: General-purpose encapsulated transformer EP Single-phase 240 x 480V None 120/240V 150°C 25 kVA Copper windings 300A4X 128A Indoor-Outdoor 60 Hz NEMA 4X
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S25CUS64X
UPC
786680116582
Product Length/Depth
14.66 in
Product Height
28.24 in
Product Width
22.42 in
Product Weight
880 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
UL Listed
Catalog Notes
NEMA 4X Grade 316 stainless steel enclosure.
Coil material
Copper
Design
EP
Enclosure
NEMA 4X
Frame
300A4X
Tap size
None
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
25 kVA
Special features
NEMA 4X
Weathershield
Indoor-Outdoor
Feature: General-purpose encapsulated EP design provides a sealed, corrosion-resistant housing. Business Impact: Minimizes ingress of dust, moisture, and washdown exposure, lowering maintenance needs and extending service life. Application: Ideal for outdoor cabinets and harsh industrial environments seeking durable power isolation. Feature: 25 kVA single-phase rating with copper windings delivers strong, efficient power transfer. Business Impact: Supports typical automation loads with high efficiency and reduced heat; lowers cooling requirements in control rooms. Application: Control panels, MCCs, and distribution cabinets in manufacturing lines. Feature: Primary voltages of 240 V and 480 V with secondary 120/240 V and 60 Hz operation. Business Impact: Flexible onsite deployment across multiple facilities without custom rewiring; simplifies procurement and spare parts planning. Application: Industrial automation, machine tooling, and process controls. Feature: NEMA 4X enclosure and 316 stainless steel components provide outdoor-ready, corrosion-resistant protection. Business Impact: Enables outdoor or washdown installations with long-term protective performance. Application: Outdoor utility cabinets, shipping yards, and factory exteriors. Feature: Indoor-outdoor Weathershield design plus a robust 880 lb frame (300A4X). Business Impact: High mechanical resilience reduces vibration-related wear and supports heavy-duty mounting. Application: Heavy-duty installations in constrained footprints where stability matters. Feature: No tap changer (tap size None) lowers maintenance needs and simplifies service life. Business Impact: Fewer moving parts, reduced fault potential, and lower lifecycle costs. Application: Routine maintenance cycles in automation facilities. Feature: 1-year warranty from installation or 18 months from shipment, whichever occurs first. Business Impact: Lower total cost of ownership and faster ROI through assurance of performance. Application: Procurement planning and reliability budgeting for maintenance teams.
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FAQs
This transformer excels in control panels, industrial automation cabinets, and outdoor equipment housings. With a 25 kVA rating, single-phase 240/480 V primary and 120/240 V secondary outputs, it delivers reliable step-down power for PLCs, drives, and power supplies in environments requiring NEMA 4X protection and corrosion resistance.
Connect the primary to 240 V or 480 V supply and obtain 120/240 V on the secondary. The unit has copper windings and does not include taps, simplifying installation. Ensure proper mounting in an indoor-outdoor enclosure and follow standard electrical codes for single-phase transformers.
Yes. It is UL Listed and housed in a NEMA 4X enclosure with a 316 stainless steel construction, providing reliable protection against dust, water, and corrosion in demanding environments.
The transformer features no taps to maintain, reducing maintenance complexity. It carries a one-year warranty from installation or eighteen months from shipment. Given its rugged enclosure and copper windings, you can expect lower downtime and predictable performance over the service life.
The combination of 25 kVA capacity, robust NEMA 4X protection, and durable copper windings lowers maintenance costs and downtime. Its indoor-outdoor suitability reduces site-specific wiring constraints, enabling faster deployment and long-term reliability in high-demand automation and power-distribution applications.