Eaton S27N11S25N General-Purpose Transformer UL Listed
Part Number: S27N11S25N
Quick Summary
Eaton S27N11S25N general‑purpose transformer delivers reliable power isolation and voltage regulation for panel and control applications. In fast-paced facilities, space limitations, environmental exposure, and wiring complexity can slow startups and raise risk of miswiring. Key certifications include UL Listed safety approval and a rugged NEMA 3R enclosure, enabling indoor-outdoor installation in challenging environments. This means you can deploy the unit in plant rooms, outdoors, or along loading docks without compromising protection or performance. The 25 kVA rating supports broader load growth, while 277 V primary and 120/240 V secondary outputs simplify wiring and compatibility with existing equipment. For buyers, this translates into predictable performance, reduced downtime, and streamlined procurement for power-management needs.
Product Information
Extended Description
S27N11S25N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 182, 60 Hz, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 25 KVA, indoor-outdoor, 524A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11S25N
UPC
786680147159
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
373 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
182
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Feature: Encapsulated construction with aluminum winding → Improves reliability by resisting moisture, dust, and vibration; Business Impact: Reduces field failures and maintenance costs; Application: Control panels and power-distribution enclosures in harsh industrial environments. Feature: NEMA 3R indoor-outdoor enclosure → Enables weather-resistant installation across plant floors and exterior equipment locations; Business Impact: Expands usable deployment sites and lowers enclosure requirements; Application: Outdoor-mounted transformer applications near docks or entrances. Feature: 25 kVA, 60 Hz, single-phase, 277 V to 120/240 V → Delivers flexible, compatible power to common plant loads with simplified wiring; Business Impact: Improves panel compatibility and reduces wiring complexity; Application: Power distribution in industrial facilities and data centers. Feature: 115 °C rise insulation → Supports operation in hotter facilities with reduced cooling load; Business Impact: Enhances uptime in high-ambient environments; Application: Environments with limited HVAC or high heat. Feature: UL Listed and 373 lb weight with 14.12 x 16.35 x 23.31 in footprint → Confirms safety compliance and manageable installation in confined spaces; Business Impact: Streamlines procurement and site planning; Application: New builds and retrofits in manufacturing lines.
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FAQs
The S27N11S25N is housed in a rugged NEMA 3R enclosure suitable for indoor-outdoor installation, protecting windings from dust and moisture. It operates as a single-phase transformer at 60 Hz with a 277 V primary and 120/240 V secondary. UL Listed, the unit weighs about 373 lb and measures 14.12 in by 16.35 in by 23.31 in.
Key specs include a 25 kVA rating, 60 Hz frequency, single-phase configuration, 277 V primary, and 120/240 V secondary outputs. The transformer features a 115 °C rise rating and is UL Listed, designed for indoor-outdoor operation in control panels and power-distribution cabinets.
Yes. The transformer uses a NEMA 3R enclosure rated for indoor-outdoor use, enabling weather-resistant installation in outdoor environments. With UL Listing for safety and reliability, it supports remote or exposed installations while maintaining performance for 25 kVA loads at 60 Hz.
Warranty terms follow Eaton Selling Policy 25-000: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. For ongoing support, customers can access Eaton technical resources and distributor services to assist with installation and troubleshooting.
With a 25 kVA rating and robust encapsulated construction, the S27N11S25N reduces downtime and maintenance costs by resisting moisture and dust. Its indoor-outdoor capability, UL Listing, and compact footprint simplify installation and compliance, delivering reliable power to control panels and distribution cabinets while minimizing wiring complexity and space requirements.