Eaton S20N11S51XCE General-Purpose Transformer - UL Listed
Part Number: S20N11S51XCE
Quick Summary
Eaton S20N11S51XCE general-purpose encapsulated transformer provides compact voltage conversion for control panels and industrial equipment. Installations often struggle with environmental protection, mounting flexibility, and reliable performance across indoor and outdoor spaces. This unit is UL Listed and CE Marked, and features a rugged NEMA 3R enclosure, aluminum coil, and a 50/60 Hz design to handle diverse facility conditions. With a 0.5 kVA rating and single-phase operation, it scales to typical automation needs while staying compact. The combination of robust protection, straightforward installation, and predictable performance translates into lower maintenance costs and faster project timelines, helping teams meet reliability and compliance targets without over-specifying.
Product Information
Extended Description
S20N11S51XCE Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 58A, 50-60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 0.5 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S51XCE
UPC
786680053061
Product Length/Depth
5.75 in
Product Height
11.28 in
Product Width
5.99 in
Product Weight
23 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
50/60 Hz, CE Marked
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
58A
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
50-60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
0.5 kVA
Weathershield
Indoor-Outdoor
Feature: Aluminum coil and EP design deliver a lighter transformer with robust heat dissipation. Business Impact: lighter weight reduces shipping, handling, and installation costs while maintaining reliability in confined panel spaces. Application: ideal for control panels in machine installations where space and weight matter. Feature: NEMA 3R indoor-outdoor enclosure with Weathershield protection. Business Impact: enables outdoor and semi-exposed deployments without additional enclosures, lowering total installed cost. Application: outdoor equipment rooms, weather-exposed facilities, and outdoor control panels. Feature: 0.5 kVA rating, 50-60 Hz, single-phase with primary 240/480 V and secondary 120/240 V. Business Impact: aligns with common automation loads, reduces heat output, and minimizes transformer footprint. Application: powering coils, relays, and sensors in standard industrial systems. Feature: UL Listed and CE Marked with 50/60 Hz catalog notes. Business Impact: simplifies compliance, procurement, and cross-border deployments. Application: global manufacturing plants and distributed control systems. Feature: 115 °C rise and indoor-outdoor use with 58A frame and 3A wiring connection. Business Impact: supports reliable operation in diverse environments and straightforward installation. Application: quick integration into existing panels and new builds with minimal wiring adjustments. Feature: 50/60 Hz, indoor-outdoor suitability, and no tap changes requirement. Business Impact: reduces installation complexity, minimizes field tuning, and lowers lifecycle risk. Application: standard industrial environments where consistent voltage transformation is needed.
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FAQs
The S20N11S51XCE is a single-phase transformer rated at 0.5 kVA with a 240/480 V primary and 120/240 V secondary, designed for indoor-outdoor use in a NEMA 3R enclosure. It is suitable for control panels, machine interfaces, and outdoor equipment rooms where weather resistance and reliable voltage transformation are essential.
This transformer is UL Listed and CE Marked, indicating compliance with United States and European safety and performance standards. These certifications help with regulatory approvals, supplier qualifications, and procurement confidence for global installations, while supporting risk reduction in maintenance and operations.
Yes. The unit features an indoor-outdoor Weathershield and a NEMA 3R-rated enclosure, enabling reliable operation in outdoor or semi-exposed spaces. Its aluminum coil and 115 °C rise design contribute to durable performance under typical plant temperature variations.
Key specs include 0.5 kVA power rating, 50/60 Hz frequency, single-phase design, primary voltages of 240 V or 480 V, and secondary voltages of 120 V or 240 V. These align with common automation loads, enabling efficient coil operation, sensor power, and relay control within standard control panels.
With a one-year warranty (or 18 months from shipment, whichever occurs first) and UL/CE compliance, maintenance is typically limited to periodic inspection of connections and enclosure integrity. The robust enclosure and corrosion-resistant aluminum winding help reduce field failures, contributing to lower downtime and a favorable total cost of ownership over the equipment lifecycle.