Eaton S12N12E05N Transformer - UL Listed, 5 kVA
Part Number: S12N12E05N
Quick Summary
Eaton S12N12E05N general-purpose encapsulated transformer delivers 5 kVA isolation and supply for industrial controls and equipment. Operators often contend with moisture, dust, and harsh environments that threaten reliability and uptime. Key certifications such as UL Listed, combined with a NEMA 3R enclosure and electrostatic shielding, boost performance in challenging facilities. With easy integration for 120 V control circuits and 5 kVA capacity, it supports scalable automation while reducing wiring complexity and total cost of ownership.
Product Information
Extended Description
S12N12E05N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 120 V, 120 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor, 77A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S12N12E05N
UPC
786680108037
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
98 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
177
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
77A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature: General-purpose encapsulated design with aluminum coil and EP enclosure. Business Impact: Enhances durability, corrosion resistance, and thermal performance, extending service life in demanding environments. Application: Ideal for indoor-outdoor control panels and automation cabinets where reliability is critical. Feature: NEMA 3R enclosure and rugged construction. Business Impact: Provides moisture and dust protection, reducing field failures and maintenance cycles. Application: Outdoor and semi-exposed installations such as manufacturing bays and loading areas require robust enclosure protection. Feature: 5 kVA, single-phase, 60 Hz, 120 V input and 120 V output. Business Impact: Delivers stable, readily available power for PLCs, relays, and auxiliary circuits, enabling predictable machine performance. Application: Suitable for stand-alone power feeds in machine tools and control systems. Feature: Electrostatically shielded winding. Business Impact: Lowers EMI and signal interference, improving control fidelity and sensor accuracy. Application: Operations with precision instrumentation and communications equipment near high-power drives. Feature: UL Listed with Eaton warranty terms and model notes. Business Impact: Simplifies procurement and compliance auditing, reducing risk and warranty ambiguity. Application: Procurement-ready for regulated facilities and industrial OEMs seeking documented support and reliability.
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FAQs
The S12N12E05N is a single-phase, 120 V to 120 V transformer rated at 5 kVA, designed for use in typical industrial control panels. Its NEMA 3R enclosure supports indoor-outdoor installations, and mounting and wiring follow standard Eaton/UL guidelines, ensuring straightforward integration with existing cabinet layouts.
Key specs include 5 kVA VA rating, 60 Hz frequency, single-phase operation, primary voltage 120 V, secondary voltage 120 V, aluminum coil, and an 115 °C rise. The unit also features 77A wiring connections and an electrostatic shield to reduce EMI in noisy environments.
Yes. The transformer uses an EP enclosure rated NEMA 3R, making it suitable for indoor-outdoor use. It provides protection against moisture and dust, enabling reliable operation in factories, outdoor enclosures, and exposed installations when wired per standards.
The unit is UL Listed for electrical safety, with Eaton’s warranty policy offering one year from installation or 18 months from shipment, whichever occurs first. This combination supports compliance auditing and predictable maintenance planning.
Industries such as manufacturing, packaging, and automated assembly lines benefit due to stable 5 kVA power for control systems, PLCs, and relays. The transformer’s rugged enclosure and shielding also suit environments with high EMI and outdoor/indoor variability, improving uptime and performance.