Eaton S27N11E03N General-Purpose Transformer - UL Listed
Part Number: S27N11E03N
Quick Summary
Eaton S27N11E03N general-purpose encapsulated transformer provides dependable voltage conversion for control panels and power distribution in industrial settings. This compact 3 kVA unit helps operators reduce footprint without sacrificing performance. UL Listed certification, NEMA 3R enclosure, and 60 Hz operation ensure compliance and reliability in diverse environments. By integrating this transformer, maintenance teams gain longer asset life and consistent secondary voltages, supporting safer automation tasks and smoother panel assemblies. Designed for EP enclosures and aluminum coils, it supports easy field wiring and robust heat dissipation, cutting down service calls. Its indoor-outdoor capability and compact footprint help equipment OEMs meet space constraints while maintaining safety margins.
Product Information
Extended Description
S27N11E03N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 513B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11E03N
UPC
786680108921
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
67 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
176
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
3 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: Aluminum coil with an EP enclosure delivers rugged durability in harsh environments. This arrangement minimizes stray flux, improves heat management, and reduces enclosure temperature rise, which translates to longer insulation life and lower maintenance costs. Application: Suitable for control panels, distribution centers, and OEM equipment in indoor-outdoor settings that demand reliability. Feature: 60 Hz operation with 277 V primary and 120/240 V secondary helps maintain stable downstream voltages under load changes, protecting sensitive electronics and reducing the need for additional regulation. Application: Automation panels and machine tools where precise secondary voltages are critical. Feature: NEMA 3R enclosure and UL Listed certification provide safety compliance and weather resistance for indoor-outdoor installations. Application: Outdoor-rated installations and shared spaces such as manufacturing floors and utility rooms. Feature: 3 kVA rating with 115 °C rise supports medium-load power distribution while keeping thermal limits under control. Application: Lighting and control circuits in manufacturing lines, conveyors, and packaging equipment. Feature: Wiring connection 513B and frame 176 offer easy installation and compatibility with standard panel layouts. Application: Retrofit projects and panel upgrades in existing automation infrastructure. The electrostatically shielded construction adds EMI protection in noisy industrial environments.
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FAQs
Mount the S27N11E03N with adequate clearance for heat dissipation, observe its 8 in depth, 14.25 in height, and 7.69 in width footprint, and plan for the 513B wiring connection. Ensure the enclosure remains within its NEMA 3R indoor-outdoor rating and allow for proper strain relief and secure mounting to align with panel layouts. This reduces vibration and extends component life.
The unit operates at 60 Hz, with a 277 V primary and a 120/240 V secondary, delivering 3 kVA of power in a single-phase configuration. It uses an aluminum coil and features an electrostatically shielded construction. The enclosure is NEMA 3R rated and UL Listed, suitable for varied installation environments.
Yes. It is rated for indoor-outdoor use due to its NEMA 3R enclosure and Weathershield capability described as Indoor-Outdoor. This makes it appropriate for installations in manufacturing floors, exterior equipment bays, or other environments where exposure to moisture or dust must be mitigated.
The S27N11E03N carries UL Listed certification, indicating compliance with recognized safety standards. It is designed for EP enclosure configurations and includes a model designation of Model N in catalog notes. The warranty follows Eaton’s policy 25-000, offering one year from installation or eighteen months from shipment, whichever comes first.
With a robust encapsulated design, aluminum coil, and EMI shielding, the transformer reduces overheating risks and EMI-related faults, lowering maintenance needs. The 3 kVA rating supports reliable power for medium-load panels, potentially reducing downtime and spare-part counts. Its compact footprint also simplifies retrofits and panel upgrades, contributing to faster ROI in automation investments.