Eaton S20N11S15CULS45 Encapsulated Transformer - UL Listed
Part Number: S20N11S15CULS45
Quick Summary
Eaton S20N11S15CULS45 is a general-purpose encapsulated transformer designed for indoor-outdoor power distribution and control panels. Engineers often face noise, weather exposure, and mounting compatibility challenges that can drive downtime and maintenance costs. UL Listed safety certification supports reliable selection, while the NEMA 3R enclosure rating enables rugged operation in varied environments. With copper windings, 60 Hz performance, and a 15 kVA rating, this transformer offers dependable power delivery in a compact footprint, simplifying panel design and reducing total cost of ownership. Ideal for industrial controls, motor control centers, and commercial power distribution applications.
Product Information
Extended Description
S20N11S15CULS45 Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 180, 60 Hz, low sound 45 dB, 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
S20N11S15CULS45
UPC
786680088032
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
0.001 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
Low sound equal to 45 dB
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
Modification 1
Low sound 45 dB
Weathershield
Indoor-Outdoor
Feature -> Business Impact -> Application: The copper-wound coils and EP design deliver efficient, low-loss power conversion that translates to improved system efficiency and reduced heat dissipation in control panels. This supports longer component life and lower cooling costs in both indoor and outdoor installations. Application: suitable for general-purpose control panels in manufacturing lines, where dependable 60 Hz power with 240/480 V primary and 120/240 V secondary is needed. Feature -> Business Impact -> Application: NEMA 3R enclosure provides weather resistance and rugged durability, lowering enclosure-related failures and enabling outdoor siting without additional shelter. Application: outdoor-rated transformer installations near conveyors or exterior equipment. Feature -> Business Impact -> Application: 15 kVA rating across a single-phase design enables compact, scalable power distribution in compact spaces, reducing footprint and installation time. Application: machine centers and automated systems requiring reliable step-down or step-up power with minimal wiring complexity (3A wiring connection). Feature -> Business Impact -> Application: low sound level (45 dB) minimizes noise disruption in plant floors and control rooms, improving worker comfort and compliance with facility noise policies. Application: installations in shared spaces or near offices where noise reduction matters. Feature -> Business Impact -> Application: UL Listed certification and documented performance data support compliance and procurement processes, accelerating project approvals and supplier qualification. Application: regulated environments where safety certifications and traceability are essential for panel builds.
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FAQs
To install the S20N11S15CULS45, mount the transformer to a sturdy panel surface, ensure proper clearance for the NEMA 3R enclosure, and connect the 240/480 V primary to the incoming supply while wiring the 120/240 V secondary to the load. Use the 3A wiring configuration and verify copper coil terminals are tightened per Eaton installation guidelines. Confirm the environment meets indoor-outdoor ratings and review the UL Listed documentation for safety compliance.
Key specifications include a 15 kVA rating, single-phase operation, 60 Hz frequency, primary voltages of 240 V and 480 V, and secondary voltages of 120/240 V. It uses copper windings, features a low-noise design at 45 dB, and is housed in a NEMA 3R enclosure suitable for indoor-outdoor use. The temperature rise is 115 °C, supporting reliable operation in steady-state loads.
Yes. The S20N11S15CULS45 is designed with a NEMA 3R enclosure and indoor-outdoor use in mind, providing weather resistance and robust performance in outdoor or semi-exposed environments. Its 15 kVA rating supports scalable power for outdoor control panels, with UL Listed safety certification aiding regulatory compliance for outdoor installations.
The transformer is UL Listed, confirming compliance with widely recognized safety standards for electrical equipment. It also features a NEMA 3R enclosure, indicating suitability for rain, sleet, and other environmental conditions typical of outdoor installations. These certifications support safer procurement and faster project approvals in regulated environments.
Maintenance benefits come from a rugged encapsulated EP design with durable copper windings and a low-noise operation (45 dB), reducing cooling requirements and service interruptions. ROI improvements stem from efficient power transfer at 15 kVA, compact footprint, and straightforward installation in control panels, lowering labor costs and enabling denser, more reliable electrical distributions.