Eaton S20N11S15CUS6 General-Purpose Transformer - UL Listed
Part Number: S20N11S15CUS6
Quick Summary
Eaton S20N11S15CUS6 General-Purpose Encapsulated Transformer provides reliable power distribution for control panels and machinery in industrial facilities. When environments demand rugged, maintenance-friendly components, downtime and escalating costs can erode productivity. This unit carries UL Listed certification and a NEMA 3R enclosure for indoor-outdoor service, with corrosion-resistance notes for Grade 316 stainless steel. Its 15 kVA rating supports efficient step-down from 240/480 V to 120/240 V, helping you meet safety and compliance while simplifying installation across mixed voltages. Designed for industrial automation applications, it delivers reliable performance with low maintenance and predictable energy use.
Product Information
Extended Description
S20N11S15CUS6 Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 180, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 15 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S15CUS6
UPC
786680088056
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
231 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
Grade 316 stainless steel enclosure
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
180
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
15 kVA
Weathershield
Indoor-Outdoor
Feature: Copper windings encapsulated in epoxy provide robust insulation and moisture resistance for dependable operation in harsh environments. Business Impact: This design reduces insulation wear, lowers failure rates, and minimizes unplanned downtime in humid or washdown-prone facilities. Application: Ideal for control panels and automation cabinets in manufacturing lines. Feature: NEMA 3R indoor-outdoor enclosure with Grade 316 stainless steel catalog notes delivers excellent corrosion resistance across indoor and outdoor installations. Business Impact: Extends service life in outdoor environments, lowering maintenance costs and replacement cycles. Application: Suitable for outdoor transformers in facilities with variable weather, high humidity, or washdowns. Feature: 15 kVA, single-phase transformer with primary voltages of 240 V and 480 V and secondary voltages of 120/240 V. Business Impact: Supports universal plant voltage configurations, simplifying procurement, stocking, and installation while preserving energy efficiency. Application: Widely used for machine controls, conveyors, panel boards, and automation projects across industrial environments. Feature: 60 Hz operation with a 115 °C rise and copper winding design supports robust thermal performance. Business Impact: Delivers reliable operation under peak loads, reduces nuisance trips, and provides a healthy thermal margin for continuous duty. Application: Suitable for medium-load control panels, drive interfaces, and service equipment in busy production lines. Feature: Indoor-Outdoor Weathershield capability and UL Listed certification enhance resilience and regulatory alignment. Business Impact: Ensures compliance with electrical standards while minimizing downtime through rugged construction. Application: A preferred choice for projects demanding rugged, compliant power distribution components in mixed environments.
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FAQs
Mount the unit inside a compliant enclosure, maintain required clearances, and use the 3A wiring connection. Because it has no taps, connect the primary to 240 V or 480 V and connect the corresponding 120/240 V secondary. Verify UL Listed status, ensure the NEMA 3R protection, and follow lockout-tagout procedures before energizing. Confirm panel ratings match the transformer's protection class.
Primary: 240 V and 480 V; Secondary: 120/240 V. This single-phase, 60 Hz transformer is rated at 15 kVA and designed for general-purpose power distribution in control panels, automation cabinets, and small industrial loads. It supports common automation loads such as conveyors, tool machines, and panel boards.
Yes. The S20N11S15CUS6 features a UL Listed designation and a NEMA 3R enclosure suitable for indoor-outdoor service, making it appropriate for outdoor equipment rooms and damp environments. The catalog also notes Grade 316 stainless steel enclosure options to boost corrosion resistance in aggressive environments.
The transformer is UL Listed, indicating compliance with key electrical safety standards, and it uses a NEMA 3R enclosure for weather resistance. These certifications reduce procurement risk, ease regulatory audits, and support long-term reliability in industrial settings. Additional corrosion-resistant enclosure options extend suitability for harsher environments.
Warranty is one year from installation or eighteen months from shipment, whichever occurs first (Eaton policy 25-000). Eaton provides technical documentation, datasheets, and access to specification sheets to support installation, preventive maintenance, and asset management strategies over the product life cycle.