Eaton S20N11S82X General-Purpose Encapsulated Transformer - UL Listed
Part Number: S20N11S82X
Quick Summary
Eaton General-Purpose Encapsulated Transformer delivers reliable, compact power isolation for control panels and machine enclosures. This single‑phase design addresses space constraints and simplifies inventory by combining rugged enclosure protection with proven transformer performance. Typical pain points in panel builds include weather exposure, routine maintenance, and compliance gaps; this unit mitigates those with a NEMA 3R enclosure and UL Listed certification, suitable for indoor-outdoor environments. Designed for 50/60 Hz systems, it supports 240 V or 480 V primary and provides a 120/240 V secondary, enabling flexible downstream device compatibility. Ideal for automation equipment, control cabinets, and instrumentation, it helps streamline procurement and improve uptime while keeping total cost of ownership in check.
Product Information
Extended Description
S20N11S82X Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 54, 50-60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 0.1 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S82X
UPC
786680052002
Product Length/Depth
4 in
Product Height
8.91 in
Product Width
4.11 in
Product Weight
7.3 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
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
54
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
0.1 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application. The encapsulated EP design with aluminum coil delivers rugged protection against dust, moisture, and physical impact, reducing field failures and maintenance costs in harsh environments. This translates to longer service intervals and lower lifecycle costs for industrial control panels and switchgear assemblies. Feature → Space-saving form factor and 4 in × 8.91 in footprint enable simple white‑box integration and easier panel layout planning, minimizing enclosure size and installation time in tight mechanical spaces. Feature → 0.1 kVA rating with 50–60 Hz single‑phase operation provides targeted power isolation for logic modules, sensors, and small drives, supporting reliable control performance in automation cells and HVAC controls. Feature → NEMA 3R enclosure and indoor-outdoor compatibility ensure weather resistance for outdoor instrument enclosures, reducing weather-related failures and extending site deployment options. Feature → UL Listed and standard 240/480 V primary with 120/240 V secondary compatibility simplifies procurement, improves compliance, and accelerates commissioning in machine tools and packaging lines. Feature → 115 °C rise and aluminum coil offer efficient thermal performance and corrosion resistance, contributing to sustained efficiency and reduced replacement costs over the product life. This combination of attributes supports applications in factory automation, process control, and utility panels where reliability, space optimization, and compliance matter most.
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FAQs
For best results, mount the transformer within a NEMA 3R rated enclosure or indoors in protected areas. Ensure adequate ventilation to accommodate the 115 °C rise rating and maintain clearance for wiring connections (3A). Use the 4 in by 4.11 in footprint to fit standard panel cutouts and support single‑phase 240/480 V to 120/240 V conversions without derating.
The unit supports 240 V or 480 V primary input and provides a 120/240 V secondary output at 50–60 Hz. It is a single‑phase transformer with a 0.1 kVA rating, making it suitable for supplying control circuits, sensors, and small actuators in automation equipment and instrumentation panels.
Yes. The S20N11S82X features a NEMA 3R enclosure and indoor-outdoor capability, enabling reliable operation in exposed or semi-exposed locations. Aluminum coil construction further improves corrosion resistance, supporting long service life in challenging environments.
This transformer is UL Listed, which supports compliance and safety certification for electrical panels and assemblies. The NEMA 3R enclosure provides weather-resistant protection, and the catalog notes indicate 50/60 Hz compatibility, streamlining integration into standard industrial control systems.
With its rugged enclosure, low-weight design (approximately 7.3 lb), and compact footprint, this transformer reduces maintenance downtime and ease of installation. The broad input/output compatibility minimizes cabling changes, while UL listing and durable materials lower long-term warranty and replacement risk, offering favorable total cost of ownership in factory automation and process control.