Eaton S27N11E25N Transformer - Single-Phase UL Listed
Part Number: S27N11E25N
Quick Summary
Eaton S27N11E25N general purpose encapsulated transformer provides reliable power conversion for industrial applications. In harsh environments, downtime and insulation failures threaten uptime and productivity, making rugged, weather-rated distribution essential. UL Listed with a NEMA 3R enclosure and electrostatically shielded construction, it meets safety and reliability standards for indoor-outdoor service. The 25 kVA rating supports scalable distribution from a single source to multi-point loads, with 277 V primary and 120/240 V secondary, enabling flexible distribution in control panels and switchgear. Designed for quick installation and long service life, it integrates into panel boards, switchgear, and industrial control rooms while reducing containment risk and maintenance costs.
Product Information
Extended Description
S27N11E25N 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, 513B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11E25N
UPC
786680109072
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
295 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
513B
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
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: Encapsulated aluminum coil and rugged construction; Benefit: enhances durability and EMI shielding, reducing insulation stress and extending service life; Application: ideal for harsh factory floors and outdoor enclosures where reliability matters. Feature: NEMA 3R enclosure with indoor-outdoor weather protection; Benefit: protects transformer windings from moisture, dust, and debris, lowering failure risk; Application: outdoor power distribution in warehouses and manufacturing yards. Feature: 25 kVA single-phase rating with 277 V primary and 120/240 V secondary; Benefit: supports high-current loads from a compact footprint, improving panel space utilization and energy distribution efficiency; Application: control panels and distribution boards in mid-size facilities. Feature: Electrostatic shielding and UL Listed certification; Benefit: meets safety and EMI requirements while simplifying compliance and audits; Application: critical electrical rooms and mission-critical applications. Feature: 182 frame, 14.12 in length, 16.35 in width, 23.31 in height, 295 lb weight; Benefit: predictable physical footprint and mountability for standard industrial installations; Application: retrofit projects and new builds requiring standard, compatible mounting and clearances. Feature: Wiring connection 513B and 115 °C rise specification; Benefit: straightforward installation with clear wiring guidance and robust thermal margin; Application: panel builders and field technicians seeking reliable, repeatable installations. Long-tail keywords woven: 25 kVA transformer, single-phase 277 V to 120/240 V transformer, indoor-outdoor transformer, NEMA 3R enclosure, electrostatically shielded, aluminum wound transformer, UL Listed transformer, 513B wiring.
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FAQs
The S27N11E25N is designed for panel mounting with a 182 frame footprint and weighs 295 lb, requiring adequate support and clearance per electrical codes. It uses a 513B wiring connection and a NEMA 3R enclosure suitable for indoor-outdoor service. Ensure proper ventilation, secure mounting, and alignment with nearby components to minimize wiring length and thermal buildup.
This is a 25 kVA, single-phase transformer with a 277 V primary and 120/240 V secondary, rated for 60 Hz operation. It features an aluminum wound coil, 115 °C rise, and UL Listed certification. Designed for reliable power distribution in control panels and distribution boards, it supports robust voltage transformation in mid-size facilities.
Yes. The transformer uses a NEMA 3R enclosure and is marketed as indoor-outdoor capable with weather resistance. Its electrostatically shielded design further enhances EMI performance, making it appropriate for outdoor equipment clusters, weather-exposed installations, and facilities requiring durable, weather-rated power conversion equipment.
The unit is UL Listed and features a NEMA 3R enclosure for weather protection, along with electrostatic shielding to reduce EMI. These certifications and features support regulatory compliance, safer operation in harsh environments, and smoother integration into compliant electrical systems and audits.
With a robust 25 kVA rating, durable aluminum windings, and a rugged enclosure, maintenance is typically low for well-specified installations. Its reliability reduces downtime and replacement costs in control panels and distribution feeders. The UL listing and weather protection help minimize service interruptions, contributing to favorable total cost of ownership in industrial settings.