Eaton S57N11S15 Transformer - UL Listed NEMA3R
Part Number: S57N11S15
Quick Summary
The Eaton S57N11S15 transformer provides reliable power isolation for general-purpose industrial control panels. In demanding facilities, inconsistent voltages and environmental exposure can cause downtime and device wear if you rely on fragile, non-encapsulated solutions. This unit carries UL Listed safety certification, a NEMA 3R enclosure, and indoor-outdoor capability to withstand harsh conditions while maintaining performance. With 60 Hz compatibility and a 15 kVA rating, it complements power management and distribution strategies across automation projects. Its 575 V primary and 120/240 V secondary outputs simplify panel design, enabling scalable automation while reducing wiring complexity and total cost of ownership.
Product Information
Extended Description
S57N11S15 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 180, 60 Hz, single-phase, 575 V, 120/240 V, NONE, 115 °C rise, 15 KVA, indoor-outdoor, 524L
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S57N11S15
UPC
786680071621
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
220 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
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
180
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524L
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
575 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: General-purpose encapsulated design with aluminum windings reduces weight and material cost while delivering solid durability for control panels in demanding environments; this supports easy installation in space-constrained cabinets and lowers lifecycle costs. Feature → Weather-resistant enclosure (NEMA 3R) and weathershield indoor-outdoor capability provide safer operation in outdoor or damp locations; the transformer remains protected from moisture and corrosion, minimizing maintenance and downtime in outdoor equipment applications. Feature → 15 kVA rating with 575 V primary and 120/240 V secondary at 60 Hz enables flexible power distribution for industrial automation, machinery controls, and panel boards; it streamlines electrical design and reduces the need for multiple transformers. Feature → Temperature rise rating of 115 °C supports reliable performance in hot environments and potential overload scenarios, improving uptime and safety in high-temperature installations. Feature → 524L wiring connection and straightforward mounting simplify field wiring and cabinet integration; this accelerates installation timelines and enhances compatibility with existing control cabinets. Feature → UL Listed certification and Eaton warranty policy provide regulatory confidence and post-sale support, reducing risk for project teams and procurement budgets.
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FAQs
The S57N11S15 utilizes a NEMA 3R enclosure suitable for indoor-outdoor installations, offering robust protection against moisture and dust. Its 180 frame and 524L wiring connection support standard panel mounting configurations, simplifying integration with common control cabinets and ensuring compatibility with typical 19-inch rack layouts.
This transformer is rated for 575 V primary and 120/240 V secondary, operating at 60 Hz in a single-phase design with a 15 kVA VA rating. These specifications enable efficient power delivery to control circuits and devices within industrial automation and power distribution panels.
Yes. The unit features a NEMA 3R enclosure and indoor-outdoor weathershield, designed to withstand exposure to weather and moisture. This makes it well-suited for outdoor control panels, remote equipment, and harsh industrial environments without compromising performance.
The transformer is UL Listed, a critical safety certification that confirms compliance with recognized standards for electrical equipment. This approval, combined with the NEMA 3R enclosure rating, supports safe operation in diverse environments and simplifies procurement for regulated industries.
Eaton provides a warranty per policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This, along with UL listing and robust enclosure protection, reduces maintenance risk and supports total cost of ownership considerations for long-term ROI.