Eaton S20N08A07N General-Purpose Transformer - UL Listed
Part Number: S20N08A07N
Quick Summary
Eaton S20N08A07N is a general-purpose encapsulated transformer for buck-boost applications in control panels. Engineers often face voltage mismatches and enclosure protection challenges in demanding industrial environments. UL Listed and NEMA 3R enclosure support safe indoor-outdoor operation at 60 Hz, with proven reliability. With a 7.5 kVA rating and 240/480 V primary to 24/48 V secondary, it enables reliable, compact power delivery. This design reduces downtime, simplifies wiring, and lowers long-term operating costs across manufacturing, packaging, and process lines. The enclosure is suitable for indoor-outdoor use and contributes to reduced protection costs. The aluminum windings and EP construction improve heat dispersion for continuous operation in harsh environments. Backed by Eaton support and a comprehensive warranty, it streamlines procurement and field service planning.
Product Information
Extended Description
S20N08A07N Eaton: Eaton General purpose encapsulated transformer, buck-boost general-purpose encapsulated transformer, EP, aluminum, NEMA 3R, 178, 60 Hz, single-phase, 240 V, 480 V, 24/48 V, NONE, 115 °C rise, 7.5 KVA, indoor-outdoor, 509C
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N08A07N
UPC
786680383427
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
133 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
178
Tap size
None
Type
Buck-Boost General-Purpose Encapsulated Transformer
Wiring connection
509C
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
24/48 V
Temperature rise
115 °C rise
Volt ampere rating
7.5 kVA
Weathershield
Indoor-Outdoor
Feature: Buck-boost general-purpose encapsulated transformer with EP design and aluminum windings. Business Impact: Provides voltage regulation with efficient heat dispersion, reducing voltage-related equipment wear and downtime. Application: Control panels and automation racks requiring stable 24/48 V outputs from 240 or 480 V mains, improving machine uptime and consistency. Feature: NEMA 3R indoor-outdoor enclosure. Business Impact: Enables outdoor installation and weather resistance, eliminating extra enclosures and reducing protection retrofit costs. Application: Outdoor panel assemblies and process lines subject to environmental exposure. Feature: UL Listed certification. Business Impact: Ensures regulatory compliance and procurement confidence, accelerating project approvals. Application: Panel builds for automotive, packaging, and process industries needing documented standards. Feature: Flexible voltage configuration. Business Impact: Supports 240/480 V input with 24/48 V output, simplifying spare parts and stocking. Application: Mixed-voltage plant sections and machine tools. Feature: 7.5 kVA rating with aluminum windings. Business Impact: Delivers robust power for medium-load control circuits with efficient heat management, reducing cooling needs. Application: Machine controllers and PLC-based panels in compact footprints. Feature: 115 °C rise temperature specification. Business Impact: Indicates strong thermal performance under continuous operation, improving reliability in hot plants. Application: High-duty environments where ambient temperatures rise due to equipment load. Feature: Compact footprint and solid build. Business Impact: Saves panel space and simplifies installation within restricted enclosures. Application: OEM control cabinets and retrofit projects where space is at a premium.
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FAQs
Yes. The S20N08A07N supports 240 V and 480 V primary inputs and delivers 24/48 V secondary output. It is a single-phase, 60 Hz transformer rated at 7.5 kVA, designed for control panels and automation equipment, with a NEMA 3R enclosure for indoor-outdoor use.
Key specs include 60 Hz operation, single-phase configuration, 7.5 kVA VA rating, primary voltages of 240 V and 480 V, secondary voltages of 24/48 V, aluminum windings, 115 °C rise, and UL Listed certification. It uses the 509C wiring connection and is designed for indoor-outdoor environments.
Yes. The S20N08A07N features a NEMA 3R enclosure rated for indoor-outdoor use, providing weather resistance and reliable operation in outdoor or harsh indoor environments without requiring additional protective enclosures.
Eaton’s warranty policy 25-000 applies: one year from date of installation or eighteen months from date of shipment, whichever occurs first, offering protection against manufacturing defects.
Use cases include control panels that experience voltage swings, equipment sensitive to supply voltage, and installations needing a compact, weather-resistant transformer. Benefits include reduced downtime, simplified wiring, inventory consolidation (one transformer for multiple voltages), and improved energy efficiency through stable voltage delivery.