Eaton S20N11E07A Transformer - UL Listed 7.5 kVA
Part Number: S20N11E07A
Quick Summary
The Eaton S20N11E07A transformer provides general‑purpose power conversion for industrial control panels. Facilities face downtime, space constraints, and harsh environments that challenge reliability. UL Listed safety certification and a NEMA 3R enclosure support indoor‑outdoor use in varied climates. This unit’s 7.5 kVA rating and 60 Hz operation enable scalable power for automation and control. By standardizing on this encapsulated transformer, engineers reduce procurement complexity across sites and improve uptime. The product supports indoor-outdoor service with its EP design and provides compatibility with 240/480 V primary and 120/240 V secondary voltages. These features translate into lower total cost of ownership through easier installation, reduced maintenance, and longer service life.
Product Information
Extended Description
S20N11E07A Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 178, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 7.5 KVA, indoor-outdoor, 90A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11E07A
UPC
786680104664
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
126 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 A
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
178
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
90A
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
7.5 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20N11E07A
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Encapsulated EP construction with aluminum coil and electrostatic shielding. Business Impact: Improves moisture resistance, reduces noise and vibration, and extends service life in harsh environments. Application: Well suited for control panels and distributed power in manufacturing and packaging lines. Feature: NEMA 3R enclosure for indoor-outdoor service. Business Impact: Delivers reliable operation across weather conditions with minimized panel ingress and safer maintenance. Application: Fits outdoor substations and production lines with frequent washdowns. Feature: 7.5 kVA rating; single-phase; 60 Hz; primary 240/480 V; secondary 120/240 V. Business Impact: Enables efficient, modular power distribution for mid-size loads and automation circuits. Application: Suitable for control power in machine tools, conveyors, and process equipment. Feature: UL Listed safety certification. Business Impact: Streamlines procurement, reduces risk, and supports compliance with electrical codes. Application: Ideal for OEMs and integrators selecting transformers for machinery and panels. Feature: 115 °C rise rating and 90A wiring connection. Business Impact: Improves reliability under peak load and simplifies panel wiring for safe operation. Application: Supports dense power distribution in compact enclosures. Feature: Indoor-Outdoor usability with Weathershield and EP design. Business Impact: Enables flexible installation across varied sites with reduced replacement cycles. Application: OEMs deploying across multiple facilities benefit from standardized, durable components.
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FAQs
The S20N11E07A is a single‑phase 7.5 kVA transformer with 240/480 V primary and 120/240 V secondary. It uses an EP encapsulated construction with an aluminum coil and a NEMA 3R enclosure for indoor‑outdoor service. With a 9.89 in depth, 16 in height, 10.38 in width footprint and about 126 lb, plan for secure wall or floor mounting and ensure adequate clearance for cooling and wiring connections (noting a 90A wiring connection).
Yes. The transformer features a NEMA 3R enclosure and indoor-outdoor capability, along with UL Listed safety certification. Designed for varied climates, it tolerates exposure to dust and moisture when installed with proper clearances. For outdoor use, ensure proper enclosure integrity, ventilation, and compliance with local electrical codes.
This 7.5 kVA, single-phase transformer supports control panels, automation equipment, conveyors, and machine tools by supplying 120/240 V secondary from a 240/480 V primary. Its compact footprint and robust enclosure simplify replacement in existing racks or cabinets and help standardize power supply across multiple automation loops, improving reliability and reducing spare parts variety.
The unit is UL Listed, ensuring safety compliance for electrical equipment. It also features a NEMA 3R enclosure suitable for indoor-outdoor service, reinforcing suitability for harsh or wet environments. These certifications and ratings streamline purchasing for OEMs and integrators working to meet industry and local code requirements.
The encapsulated, electrostatically shielded design reduces moisture ingress, minimizes noise, and extends service life, lowering maintenance intervals. The rugged NEMA 3R, indoor-outdoor configuration supports versatile installation across plants, reducing downtime and stock variety. Overall, expect lower total cost of ownership through safer operation, easier installation, and longer component life.