Eaton S27N11S07N Industrial Transformer - UL Listed
Part Number: S27N11S07N
Quick Summary
Industrial Transformer S27N11S07N provides reliable power distribution for commercial and light industrial applications. Engineers frequently face downtime and voltage mismatches; encapsulation and a rugged NEMA 3R enclosure reduce maintenance and enhance uptime in challenging environments. Key certifications and standards include UL Listed status and indoor-outdoor suitability for year‑round service with a 60 Hz, single‑phase design. This Eaton transformer delivers a compact footprint with a 7.5 kVA rating and 277 V primary, 120/240 V secondary, making it a dependable choice for panel boards, switchgear, and distributed power applications while supporting cost-effective deployment.
Product Information
Extended Description
S27N11S07N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 178, 60 Hz, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 7.5 KVA, indoor-outdoor, 524A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11S07N
UPC
786680147050
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
119 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
178
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
7.5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S27N11S07N
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Encapsulated, epoxy-free design with aluminum coil construction. Business Impact: Improves moisture resistance and durability in harsh environments, reducing failure rates and maintenance costs. Application: Ideal for indoor-outdoor service in industrial facilities and weather-exposed equipment rooms. Feature: NEMA 3R enclosure. Business Impact: Enables reliable outdoor operation and safer enclosure integrity, lowering corrosion risk and extending service life. Application: Distribution panels in semi-exposed locations and exterior equipment installations. Feature: 7.5 kVA, single-phase, 60 Hz with 277 V primary and 120/240 V secondary. Business Impact: Supports scalable power conditioning for lighting, controls, and small motors, enabling smaller panels without over-dizing systems. Application: Machinery rooms, switchgear banks, and control panels requiring robust step-down operation. Feature: Aluminum winding and 115 °C rise. Business Impact: Enhanced thermal performance and fast heat dissipation improve reliability under peak loads, reducing downtime. Application: Continuous duty and peak-load scenarios in busy electrical rooms. Feature: UL Listed and industry-standard wiring (524A). Business Impact: Simplifies procurement, installation, and compliance verification, accelerating project timelines. Application: OEM integrations, retrofit projects, and new builds requiring certified components.
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FAQs
The S27N11S07N is designed with a 277 V primary and 120/240 V secondary, operating at 60 Hz in a single-phase configuration. It integrates seamlessly into systems that require step-down distribution without complex reconfigurations, making it a straightforward drop-in for compatible panels and switchgear.
The NEMA 3R enclosure supports indoor-outdoor service, protecting windings from precipitation, dust, and corrosion. For installation, ensure proper clearance for cooling, secure mounting, and compliant wiring connections (524A). This enhances reliability in outdoor environments and simplifies site acceptance testing.
Encapsulation provides moisture resistance and robust thermal management, aided by aluminum windings and a 115 °C rise rating. These features reduce insulation stress during peak loads, lower maintenance needs, and extend service life, delivering steady performance in fluctuating electrical environments.
The unit is UL Listed, indicating adherence to recognized safety standards for electrical equipment. This certification streamlines procurement, ensures consistent safety performance, and supports compliance with many regional electrical codes for industrial and commercial installations.
With a 7.5 kVA rating and robust indoor-outdoor capability, this transformer supports scalable distribution while minimizing downtime due to weather exposure or moisture ingress. The durable enclosure, aluminum windings, and UL certification collectively reduce maintenance costs and improve system availability over the asset lifecycle.