Eaton S20P11B15SS4X Encapsulated Transformer - UL Listed
Part Number: S20P11B15SS4X
Quick Summary
S20P11B15SS4X encapsulated transformer provides safe, isolated power for general‑purpose control panels in industrial settings. Engineers often struggle with space, exposure to dust and moisture, and the need for reliable operation in harsh environments. UL Listed with a NEMA 3R enclosure and a weatherproof indoor-outdoor rating helps you meet code, withstand environmental conditions, and reduce field service calls. By delivering reliable 15 kVA at 60 Hz with adaptable tap configurations, this unit supports scalable control systems and smoother energy management, while improving installation efficiency and lifecycle cost.
Product Information
Extended Description
S20P11B15SS4X Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, 1 at +5% FCAN, 2 at -5% FCBN X 2 at +2.5% FCAN, 4 at -2.5% FCBN, 80 °C rise, 15 KVA, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20P11B15SS4X
UPC
786680073410
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 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
Grade 304 stainless steel enclosure with NEMA 4X rating
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Tap size
1 at +5% FCAN, 2 at -5% FCBN x 2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
80 °C rise
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Feature: 1-phase, 15 kVA general-purpose encapsulated transformer with aluminum coil and NEMA 3R enclosure. Impact: Delivers reliable isolation in a compact footprint with corrosion-resistant construction, reducing panel size and maintenance. Application: Suitable for control panels and motor control centers in mixed indoor-outdoor environments. Feature: Tap-size options: 1 at +5% FCAN, 2 at -5% FCBN, 2 at +2.5% FCAN, 4 at -2.5% FCBN. Impact: Maintains output voltage under supply fluctuations, improving device performance and reducing nuisance tripping. Application: Voltage-sensitive equipment and lighting control circuits in fluctuating plants. Feature: Primary and secondary voltages: 240/480 V primary, 120/240 V secondary; 60 Hz; Single-phase. Impact: Flexible integration with common plant power rails; minimizes need for multiple transformers and simplifies procurement. Application: Panel boards, MCC interfaces, and distributed control systems. Feature: Weathershield and enclosure rating: Indoor-Outdoor with NEMA 3R. Impact: Weather-resistant operation reduces corrosion risk and extends service life in harsh facilities. Application: Outdoor enclosures, machine rooms, and exposed installation sites. Feature: Certifications and warranty: UL Listed; Eaton policy 25-000 with 1 year from installation or 18 months from shipment. Impact: Compliance assurance and predictable support bolster TCO and supplier confidence. Application: Procurement planning and service planning for OEMs and end users. These features collectively enable improved reliability, easier installation, and lower total cost of ownership for 15 kVA, single-phase power isolation in modern automation environments.
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FAQs
Install the S20P11B15SS4X in a driven, ventilated enclosure with a NEMA 3R rating to suit indoor-outdoor conditions. Connect the primary to 240 V or 480 V supply and the secondary to 120/240 V loads. Use the provided tap options to fine-tune output for voltage variations and ensure secure, compliant wiring per local codes.
This unit is a single-phase transformer with 240 V and 480 V primary windings and a 120/240 V secondary, operating at 60 Hz. It is designed for general-purpose control applications where a safe, isolated power source is required for panel boards and motor control centers.
Yes. The transformer is UL Listed and features a NEMA 3R enclosure suitable for indoor-outdoor use. Its aluminum coil and construction are designed to withstand typical plant environments, and the Weathershield rating supports reliable operation in exposed installations.
Yes. The S20P11B15SS4X is designed for indoor-outdoor service with a weather-resistant enclosure. It supports reliable operation in outdoor panels, machine rooms adjacent to manufacturing lines, and other challenging environments without excessive maintenance.
The transformer carries Eaton’s standard warranty policy: one year from the date of installation or eighteen months from shipment, whichever occurs first. For procurement and maintenance planning, this provides a clear expectation for service response and lifecycle cost management.