Eaton S20N13S15N General-Purpose Transformer - UL Listed
Part Number: S20N13S15N
Quick Summary
Eaton S20N13S15N general purpose encapsulated transformer provides reliable power isolation for control panels. In compact spaces with indoor-outdoor exposure, mounting and thermal management remain common headaches. UL Listed certification ensures safety compliance, while the NEMA 3R enclosure supports reliable outdoor and indoor use. Its compact footprint—14.12 in length, 16.35 in width, and 23.31 in height—simplifies installation in crowded control panels and retrofits. Aluminum windings improve heat dissipation and reduce weight compared with copper equivalents, delivering lower operating costs over the life of the transformer. Built for tough environments, it supports a straightforward installation with 3Z wiring and standard industry connections.
Product Information
Extended Description
S20N13S15N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 182, 60 Hz, single-phase, 240 V, 480 V, 115/230 V, NONE, 115 °C rise, 15 KVA, indoor-outdoor, 3Z
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N13S15N
UPC
786680100055
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 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
Model N
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
182
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3Z
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
115/230 V
Temperature rise
115 °C rise
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Encapsulated EP construction with aluminum windings reduces vibration and improves heat management. The result is higher reliability in noisy, high-heat factory floors and longer service life for control circuits in motors and automation panels. This transformer is well-suited for retrofit projects where space is at a premium and panel cavities must stay within strict temperature limits. NEMA 3R enclosure delivers indoor-outdoor protection, tolerating rain, dust, and temperature variation without compromising performance. For machine builders and OEMs, that means fewer enclosure changes during installation and faster commissioning in outdoor substations or sheltered equipment rooms. With a 15 kVA rating and flexible primary and secondary voltages (240/480 V to 115/230 V), the unit supports a wide range of end loads while simplifying system design and wiring. Engineers can synchronize multiple transformers for balanced loads or meet local code requirements with a single, standardized part. 60 Hz single-phase operation aligns with standard North American power distribution, reducing compatibility concerns in typical factory environments and minimizing the need for voltage conversion equipment. Three-Z wiring connection and standardized mounting dimensions help installers achieve consistent terminations and clean cable management. The footprint—14.12 in L × 16.35 in W × 23.31 in H—fits common control panels and minimizes alteration work during panel builds. UL Listed certification enhances procurement confidence and supports compliant installation practices, while the 115 °C rise rating provides a thermal margin that keeps performance within spec under continuous or peak loads.
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FAQs
The S20N13S15N is designed for panel mounting with a NEMA 3R enclosure and 3Z wiring. Its dimensions (14.12 in L x 16.35 in W x 23.31 in H) fit standard control panel footprints, reducing space conflicts. Ensure proper clearance for heat dissipation, connect primary 240/480 V and secondary 115/230 V conductors per electrical codes, and verify UL Listed compliance during commissioning.
Yes. The transformer is UL Listed, indicating compliance with safety standards. Its NEMA 3R enclosure provides weather-resilient operation suitable for indoor-outdoor applications. When selecting for a project, reference the Eaton datasheet and catalog notes to confirm regional code alignment and installation guidelines.
Ideal for control panels, machine enclosures, and small to mid-size distribution blocks in industrial environments. The 15 kVA rating supports a range of loads, while 240/480 V to 115/230 V windings enable flexible integration with existing equipment. Its rugged enclosure and aluminum windings make it well-suited for panels exposed to variable temperatures and outdoor spaces.
Eaton offers a one-year warranty from installation or eighteen months from shipment, whichever occurs first. Routine maintenance should focus on terminal torque verification, insulation integrity, and enclosure cleanliness. Because of UL Listed status, follow Eaton maintenance guidelines and catalog recommendations to sustain performance and uptime.
The aluminum windings reduce weight and improve heat dissipation, lowering installation effort and long-term cooling energy costs. The 115 °C rise rating provides a thermal margin for peak loads, translating to reduced risk of overheating. With a 15 kVA rating and robust enclosure, the transformer supports reliable performance, helping to minimize downtime and replacement costs in panel-centric automation environments.