Eaton S12N12S01 General-Purpose Transformer - UL Listed
Part Number: S12N12S01
Quick Summary
Eaton S12N12S01 general-purpose encapsulated transformer delivers reliable power isolation for control panels and automation cabinets. In today’s fast-moving projects, engineers face moisture, space constraints, and the need to meet strict enclosure standards, which can slow commissioning. This unit is UL Listed and features a NEMA 3R enclosure for indoor-outdoor service, helping teams build robust systems without tradeoffs. With a 1 kVA rating and a 120 V input/output, it integrates smoothly into standard automation architectures, delivering consistent performance while reducing install time and lifecycle costs for panel builders and integrators.
Product Information
Extended Description
S12N12S01 Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 120v, taps: none, sv: 120v, 115°c, 1 kva, al windings, frame: 59a, indoor-outdoor.
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S12N12S01
UPC
786680061349
Product Length/Depth
5.75 in
Product Height
11.28 in
Product Width
5.99 in
Product Weight
27 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
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
59A
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
771A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
1 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: The encapsulated EP design reduces footprint and enhances ruggedness, enabling tighter panel layouts and faster installs in tight industrial spaces; aluminum windings cut weight and improve heat dissipation, lowering installation effort and mounting requirements, ideal for portable or wall-mounted panels in machine automation. Feature → Business Impact → Application: With 60 Hz single-phase operation and a 1 kVA VA rating, the transformer delivers reliable isolation for control circuits and PLC power rails, improving uptime in conveyors, robotics, and packaging lines. Feature → Business Impact → Application: NEMA 3R indoor-outdoor enclosure provides weather resistance and ingress protection in environments with humidity or wet/dry cycles, reducing service calls and maintenance costs in outdoor enclosures. Feature → Business Impact → Application: Wiring connection 771A and the 5.75 in L × 5.99 in W × 11.28 in H footprint simplify retrofit and field installs, lowering engineering validation time for upgrades in industrial control panels. Feature → Business Impact → Application: UL Listed certification and solid warranty support regulatory compliance, risk management, and long-term total cost of ownership, addressing common objections about reliability in critical automation applications. Feature → Business Impact → Application: 120 V to 120 V isolation with aluminum windings provides high efficiency and consistent performance in motor drives, smart sensors, and panel power distribution, enabling easier compatibility with existing 120 V control circuits and standard cabling systems.
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FAQs
Yes. The S12N12S01 uses a 120 V primary and 120 V secondary configuration and is designed for standard control-panel architectures. Its 5.75 in L × 5.99 in W × 11.28 in H footprint and 27 lb weight support straightforward retrofits, while the 771A wiring connection simplifies integration with common 120 V control circuits in automation cabinets.
Key specs include a 1 kVA VA rating, single-phase operation at 60 Hz, 120 V primary, and 120 V secondary. It uses aluminum windings, has a 115 °C rise rating, and is designed for indoor-outdoor service with a NEMA 3R enclosure, making it suitable for rugged automation environments.
Ideal for control panels, PLC power supplies, and automation cabinets where space is at a premium and reliable voltage isolation is required. Its 1 kVA rating supports essential machine tool controls and packaging line electronics, while its indoor-outdoor capability is beneficial for enclosures exposed to varying environmental conditions.
The transformer is UL Listed, confirming compliance with safety standards for electrical products. It also features a NEMA 3R enclosure suitable for indoor-outdoor use, providing weather resistance and durability in challenging environments. These certifications and ratings help meet regulatory requirements and reduce risk during audits and installations.
The combination of a compact encapsulated design, UL safety certification, and indoor-outdoor NEMA 3R rating minimizes installation time and maintenance across harsh environments. The 1 kVA at 120 V-to-120 V support improves efficiency, reduces panel space, and lowers lifecycle costs through durable construction and fewer field adjustments.