Eaton S20N11E16A Transformer - UL Listed
Part Number: S20N11E16A
Quick Summary
Eaton S20N11E16A transformer provides general-purpose power isolation for industrial control panels and building utilities. Users often struggle with reliability in hot environments and cluttered enclosures that hinder maintenance. UL Listed certification supports safe operation, while the NEMA 3R enclosure and indoor-outdoor rating ensure durable service across conditions. This model combines a compact 1.5 kVA footprint with aluminum winding to optimize space and energy efficiency in automation projects.
Product Information
Extended Description
S20N11E16A Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 67, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, NONE, 115 °C rise, 1.5 KVA, indoor-outdoor, 90A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11E16A
UPC
786680104589
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
43 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 A
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
67
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
90A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
1.5 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: General-purpose encapsulated design with aluminum coil delivers robust performance across varied indoor and outdoor environments. Business impact: improves weather resistance and EMI performance while reducing enclosure stress and maintenance costs. Application: ideal for factory automation panels and power distribution in harsh industrial settings. Feature: 60 Hz, single-phase operation with dual primary voltages of 240 V and 480 V and secondary 120/240 V. Business impact: enables flexible sourcing and simple integration with standard control circuits, reducing wiring complexity and spare-part inventories. Application: motor controllers, PLC peripherals, and instrumentation in machine builds. Feature: 1.5 kVA rating provides sufficient power for control circuits without oversized footprints. Business impact: lowers initial capital expenditure and ongoing energy losses compared to larger transformers. Application: control panels and small automation stages. Feature: NEMA 3R enclosure and electrostatically shielded construction enhance reliability in variable climates. Business impact: supports indoor-outdoor use with EMI protection and long-term durability. Application: outdoor installations near production lines and service entrances. Feature: UL Listed certification and a weather-capable design enable predictable compliance. Business impact: reduces risk during audits and accelerates project sign-off. Application: formal safety approvals for regulated facilities and mission-critical automation.
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FAQs
The S20N11E16A is a general-purpose encapsulated transformer rated at 1.5 kVA with 240/480 V primary and 120/240 V secondary, designed for standard control panel wiring. Its aluminum winding and compact dimensions support straightforward mounting in common panel bays. Use with standard 60 Hz systems and verify enclosure fit for NEMA 3R conditions to ensure compliant, reliable operation.
Key specs include 1.5 kVA VA rating, 60 Hz frequency, single-phase configuration, primary voltages of 240 V and 480 V, secondary voltages of 120/240 V, aluminum coil construction, and a NEMA 3R enclosure suitable for indoor-outdoor use. The transformer is UL Listed and rated for 115 °C rise, supporting continuous operation in typical industrial environments.
Yes. The unit features a NEMA 3R enclosure and is rated for indoor-outdoor service, with an electrostatically shielded design to mitigate EMI. This combination makes it appropriate for outdoor installations near production lines or service entrances where weather resistance and control reliability are critical.
The transformer is UL Listed, providing a recognized safety certification for electrical devices. Its NEMA 3R enclosure supports outdoor or semi-exposed installations, and the aluminum winding design contributes to robust performance in demanding facilities. These features help with regulatory compliance and reduce risk during audits in regulated industries.
With a 1.5 kVA rating and a rugged encapsulated design, the S20N11E16A offers reliable power with low maintenance and long service life. The UL Listing and NEMA 3R enclosure minimize downtime and service interventions, contributing to faster project sign-off and lower lifecycle costs in automation and control architectures.