Eaton S20N08A02N General Purpose Transformer - UL Listed
Part Number: S20N08A02N
Quick Summary
The Eaton S20N08A02N is a general purpose encapsulated transformer for buck-boost voltage conditioning in industrial controls. This design helps prevent nuisance shutdowns when incoming voltages drift, improving line uptime and equipment longevity. With UL Listed certification and a NEMA 3R enclosure for indoor-outdoor use, it balances safety with rugged durability. Rated at 2 kVA on 60 Hz, it supports a wide range of control loads while enabling straightforward installation. Industry professionals appreciate the aluminum coil for lightweight handling and reliable performance across temperature rises, while the 24/48 V secondary supports common automation devices. Designed for engineers and procurement teams, it simplifies specification with clear ratings and readily available replacement catalogs.
Product Information
Extended Description
S20N08A02N Eaton: Eaton General purpose encapsulated transformer, buck-boost general-purpose encapsulated transformer, EP, aluminum, NEMA 3R, 68, 60 Hz, single-phase, 240 V, 480 V, 24/48 V, NONE, 115 °C rise, 2 KVA, indoor-outdoor, 3D
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N08A02N
UPC
786680383366
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
42 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
68
Tap size
None
Type
Buck-Boost General-Purpose Encapsulated Transformer
Wiring connection
3D
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
2 kVA
Weathershield
Indoor-Outdoor
Buck-boost capability in a general-purpose encapsulated transformer delivers voltage conditioning for sensitive automation equipment, reducing downtime and extending equipment life. Business impact: steadier control voltages lead to fewer nuisance trips and improved process reliability. Application: ideal for panel builders and OEMs integrating voltage conversion in machine controls. The dual primary voltages of 240 V and 480 V paired with a 24/48 V secondary provide flexible compatibility across international power systems and legacy automation gear. Business impact: simplifies procurement and reduces field rework. Application: controls cabinets and remote installations where supply variability is common. The 2 kVA rating at 60 Hz supports typical PLCs, relays, and control networks with room for expansion. Business impact: compact footprint, cost-effective sizing, and predictable performance. Application: machine automation and process equipment. Durable NEMA 3R enclosure and aluminum coil reduce maintenance needs and facilitate outdoor or harsh environments. Business impact: longer service life and safer operation. Application: outdoor panels, wet/damp locations, or unconditioned spaces. The 3D wiring connection enables flexible routing in tight spaces, reducing cabinet depth and simplifying retrofits. Business impact: faster installs and less wiring complexity. Application: retrofits, retrofit kits, and new installations where space is at a premium. Aluminum construction supports lighter handling and corrosion resistance, contributing to overall lifecycle savings. Business impact: lower handling risk and longer interval maintenance. Application: field deployments and serviceable equipment stock. Weathershield Indoor-Outdoor capability aligns with modern power management strategies, ensuring reliability across changing environments. Business impact: fewer climate-related failures and more versatile asset deployment. Application: plant-wide voltage conditioning in mixed indoor-outdoor settings.
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FAQs
Yes. The S20N08A02N features dual primary voltages of 240 V and 480 V and provides a 24/48 V secondary, making it suitable for voltage conditioning in facilities with mixed supply standards or legacy equipment. This flexibility helps reduce rework when integrating equipment across sites with different power standards.
The transformer is rated at 2 kVA (2,000 VA) and operates at 60 Hz, single-phase. This rating covers typical control panels, relays, and PLCs used in mid-sized automation applications while offering headroom for modest load growth.
Yes. The enclosure is NEMA 3R rated and the unit is designed for indoor-outdoor use, providing weather resistance and reliable operation in exposed or partially sheltered locations. This reduces the need for additional weatherproofing in many installations.
The transformer is UL Listed, which supports safety compliance in electrical assemblies and panel builds. While CE marking specifics depend on regional requirements, UL Listing combined with the NEMA 3R enclosure helps meet common field electrical standards for industrial equipment.
Plan for proper mounting in a ventilated cabinet or pad, ensure correct wiring per 3D connection, and verify ambient temperature conditions for the 115 °C rise rating. Regular inspections of enclosure integrity and terminal connections will help maintain performance, while the aluminum winding aids weight reduction during service.