Eaton S20N11S10CU General-Purpose Encapsulated Transformer - UL Listed

Part Number: S20N11S10CU
Manufacturer
Eaton
Part number
S20N11S10CU

Quick Summary

Eaton general purpose encapsulated transformer delivers reliable power conversion for indoor-outdoor control panels. This single-phase unit supports 240/480 V input and 120/240 V output, making it ideal for versatile industrial applications. In real-world environments, downtime and maintenance costs spike when transformers struggle with heat, moisture, or dust. UL Listed certification and a rugged NEMA 3R enclosure provide confidence in reliability across harsh sites, while the indoor-outdoor Weathershield design extends service life. The 10 kVA rating, copper windings, and 115°C rise are optimized for efficiency and thermal performance, reducing energy waste and downtime. For procurement teams and engineers, this transformer offers predictable performance, easy installation, and long-term cost savings in power distribution and control systems.

Product Information

Extended Description

S20N11S10CU Eaton: Eaton general purpose encapsulated transformer, ep, single-phase, pv: 240 x 480v, taps: none, sv: 120/240v, cu windings, 115°c, 10 kva, frame: 179, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S10CU
UPC
786680032417
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
226 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
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
179
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: Encapsulated EP design with copper windings delivers robust insulation and low copper loss, increasing efficiency and reducing heat generation in high-load cycles. This improves reliability in continuous operation and supports longer service intervals for critical equipment in manufacturing lines. Feature → Business Impact → Application: 10 kVA VA rating provides ample headroom for motor starters, control circuitry, and ancillary loads in machine bays, enabling scalable power distribution without overdesign. Application: motor controls, pumps, and control panels in automotive and food processing environments. Feature → Business Impact → Application: Primary 240 V / 480 V and secondary 120/240 V configuration simplifies wiring schemes and minimizes panel clutter, speeding up installation and reducing wiring errors in new builds or retrofits. Application: distribution panels and compact switchgear in packaging lines. Feature → Business Impact → Application: NEMA 3R enclosure plus Indoor-Outdoor Weathershield protects against dust, moisture, and temperature swings, lowering field failures and maintenance costs. Application: outdoor or semi-exposed installations near loading docks or wash-down zones where reliability is critical. Feature → Business Impact → Application: 115°C rise rating enables safe operation under full-load conditions, improving thermal margins and reducing derating in elevated ambient temperatures. Application: continuous operation in hot facilities and high-density control cabinets. Feature → Business Impact → Application: Copper windings and durable construction support long-term cost savings through lower replacement frequency and reduced downtime in mission-critical processes across industries such as packaging, material handling, and HVAC controls.

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FAQs

Install the transformer in a securely mounted enclosure with proper clearance for cooling. Use the 3A wiring connection, follow 240/480 V input to 120/240 V output connections, and comply with UL-listed installation practices. The NEMA 3R enclosure and indoor-outdoor rating support reliable operation in diverse environments, reducing field service visits.
The transformer has a 240 V or 480 V primary and a 120/240 V secondary, with a 10 kVA VA rating. It operates at 60 Hz and is designed for single-phase applications, delivering stable power to control circuits and auxiliary loads without overloading.
Yes. The unit features an indoor-outdoor design with a NEMA 3R enclosure and Weathershield rating, enabling reliable operation in wet, dusty, or outdoor environments while maintaining electrical integrity and longevity.
The transformer is UL Listed, providing recognized safety compliance for electrical installations. This certification helps simplify approvals in many jurisdictions and supports favorable risk management for your project.
It carries Eaton’s standard warranty of one year from installation or 18 months from shipment, whichever occurs first. The rugged design, reliability, and low maintenance needs translate to reduced downtime and lower lifecycle costs for mission-critical automation systems.