Eaton S54N11E05 General-Purpose Transformer - UL Listed
Part Number: S54N11E05
Quick Summary
The Eaton S54N11E05 General-Purpose Encapsulated Transformer delivers reliable power conversion for 120/240 V control panels. Engineers often face challenges with mounting in harsh environments and ensuring long-term insulation performance; this transformer addresses those pains with a rugged NEMA 3R enclosure and a robust 180 °C insulation system. It carries UL Listed certification and a 115 °C rise, providing safety and resilience in real-world installations. Designed for building automation, motor-control centers, and distributed power networks, it offers a compact footprint and straightforward installation that can reduce wiring complexity and total cost of ownership while delivering dependable power for critical equipment.
Product Information
Extended Description
S54N11E05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 60 Hz, single-phase, 120 V, 208 V, 240 V, 277 V, 120/240 V, Shielded, NONE, 115 °C rise, 5 KVA, indoor-outdoor,
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S54N11E05
UPC
786680233128
Product Length/Depth
9.89 in
Product Height
12.82 in
Product Width
10.38 in
Product Weight
110 lb
Compliances
Not Applicable
Certifications
UL Listed
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
177
Insulation
180 °C
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
576A
Frequency rating
60 Hz
Kva Rating
5 kVA
Phase
Single-phase
Primary voltage
120 V, 208 V, 240 V, 277 V
Secondary Voltage
120/240 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S54N11E05
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 5 kVA rating delivers sufficient short-term power reserve for industrial controls, improving system uptime and reducing nuisance trips in machine shops and manufacturing lines. This supports improved production throughput and lower maintenance costs by avoiding overloading and transformer sag in peak demand scenarios. Feature → Application: 60 Hz operation with single-phase input aligns with common building and process control circuits, enabling seamless integration into existing electrical rooms and panelboards. This translates to faster install times and fewer custom control wiring modifications in automation projects. Feature → Application: Primary voltages of 120/208/240/277 V and a 120/240 V secondary simplify design compatibility across multi-branch control panels, reducing design complexity and stocking needs for spare parts. Feature → Application: NEMA 3R enclosure and shielded aluminum coil provide indoor-outdoor resilience, ensuring reliable performance in automotive, food & beverage, and packaging facilities with varied environmental exposure. Feature → Application: 115 °C rise and UL Listed certification give you confidence in safety, compliance, and long-term service life, supporting predictive maintenance planning and lower risk of regulatory non-compliance. Feature → Application: Weathershield specification (Indoor-Outdoor) supports flexible installation in spaces where weather, humidity, or cleaning activities are considerations, enabling more versatile deployment across plants and service yards. Feature → Application: The compact dimensions and 110 lb weight simplify handling and installation in tight electrical rooms, reducing crane or additional labor requirements and accelerating project timelines.
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FAQs
Install the S54N11E05 inside a suitable enclosure, preferably with NEMA 3R protection. Use the 576A wiring connection to route primary and secondary leads, observe the 120/208/240/277 V primary options and 120/240 V secondary, and secure the unit to a flat surface. Verify UL Listed compliance and ensure adequate clearance for heat dissipation.
Key specs include a 5 kVA rating, 60 Hz frequency, single-phase configuration, primary voltage options of 120 V, 208 V, 240 V, or 277 V, and a 120/240 V secondary. Insulation is rated to 180 °C with a 115 °C rise, and the enclosure is NEMA 3R for indoor-outdoor use, all UL Listed for safety.
Yes. The transformer features a NEMA 3R enclosure and an indoor-outdoor rating, with aluminum coil construction and shielded design to withstand exposure to dust, moisture, and temperature variation. This makes it well-suited for control panels in factories, warehouses, and outdoor equipment enclosures.
The unit is UL Listed, indicating compliance with recognized safety standards. Its NEMA 3R enclosure supports indoor-outdoor installation, and the insulation rating of 180 °C ensures resistance to thermal stress. These certifications help satisfy regulatory requirements for electrical equipment in most industrial facilities.
With a robust 5 kVA rating and UL-listed reliability, the transformer reduces downtime and replacement costs in critical lines. The aluminum coil and sealed encapsulation minimize maintenance. Its compact footprint and indoor-outdoor suitability simplify installation, resulting in faster project completion, lower labor costs, and a favorable total cost of ownership over the device lifecycle.