Eaton S12G25S01 Encapsulated Transformer - UL Listed
Part Number: S12G25S01
Quick Summary
An Eaton S12G25S01 encapsulated transformer provides reliable single-phase power isolation for control panels and automation cabinets. Facility engineers struggle with outdoor exposure, space constraints, and compliance gaps when sourcing transformers. UL Listed certification, NEMA 3R enclosure, and Weathershield ratings ensure safe operation in indoor-outdoor applications. This 1 kVA transformer with 120 V primary and 220 V secondary supports diverse automation needs, reduces panel footprint, and simplifies installation in power distribution and industrial control systems. Designed for durable performance and easy maintenance, it aligns with low-voltage power distribution strategies and standard electrical codes. Its aluminum coil and robust EP design also support rugged industrial environments.
Product Information
Extended Description
S12G25S01 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 59A, 60 Hz, single-phase, 120 V, 220 V, 2 at -5% FCBN, 115 °C rise, 1 KVA, indoor-outdoor, 552F
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S12G25S01
UPC
786680048760
Product Length/Depth
5.75 in
Product Height
11.28 in
Product Width
5.99 in
Product Weight
26 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
2 at -5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
552F
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V
Secondary Voltage
220 V
Temperature rise
115 °C rise
Volt ampere rating
1 kVA
Weathershield
Indoor-Outdoor
The encapsulated EP design with aluminum coil provides enhanced environmental protection and reduced thermal stress, improving long-term reliability in harsh factory settings. This configuration enables a compact footprint, simplifying panel layouts and reducing enclosure size without sacrificing performance, which translates into lower installation costs and easier retrofits. With 1 kVA capacity at 60 Hz and a primary of 120 V to a secondary of 220 V, it supports PLCs, relays, and control circuitry while minimizing wired complexity and inventory needs. The inclusion of two taps at -5% FCBN adds flexibility for voltage conditioning in variable supply scenarios, reducing the risk of under- or over-voltage conditions. Installation advantages include the 552F wiring connection and standardized mounting footprint for quick wiring and maintenance. Reliability gains come from UL Listed safety, NEMA 3R protection, and Weathershield rating, which collectively minimize downtime in industrial environments. Industry-specific insights show these transformers are well-suited for machine tools, process controls, and distributed control systems where uptime matters. Its lightweight 26 lb mass and epoxy encapsulation support safe handling during installation and service.
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FAQs
Install the transformer inside a suitable enclosure with a NEMA 3R rating for outdoor exposure. Mount it securely, connect the 120 V primary to the input terminals, and tie the 220 V secondary to the load. Use the 552F wiring connection and select the -5% FCBN taps as needed for voltage conditioning.
The unit is a 1 kVA, single-phase transformer operating at 60 Hz, with a 120 V primary and a 220 V secondary. It features two taps at -5% FCBN and supports an 115 °C rise, with aluminum coil construction and UL Listed safety.
Yes. The transformer uses a NEMA 3R enclosure and Weathershield rating to withstand indoor-outdoor exposure, making it appropriate for outdoor control panels and harsh industrial settings.
UL Listed certification confirms safety and compliance with electrical standards, while the NEMA 3R enclosure and Weathershield rating provide reliability in damp or outdoor environments, helping minimize regulatory and downtime risks in industrial automation deployments.
Warranty coverage is one year from installation or 18 months from shipment, whichever occurs first. Its encapsulated EP design and rugged aluminum coil reduce maintenance needs and downtime, supporting a lower total cost of ownership in continuous operation environments.