Eaton S12N27S03 Transformer - Encapsulated, 3 KVA, 1PH, 120-277V
Part Number: S12N27S03
Quick Summary
S12N27S03 encapsulated transformer delivers dependable power isolation for industrial control panels. Engineers often wrestle with compact, durable devices that withstand surge, temperature swings, and tight installation constraints. Certification considerations include CE marking and IP ratings; SIL readiness depends on application, so consult Eaton for definitive approvals. By combining a rugged encapsulated design with a 3 KVA rating and 120–277 VAC input, this solution enables tighter panel layouts, faster commissioning, and reduced lifecycle costs for dependable automation deployments in manufacturing and process environments.
Product Information
Extended Description
S12N27S03 Eaton: Eaton General purpose encapsulated transformer, 3 KVA ENCAPS 1PH 120-277 115C RISE
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S12N27S03
UPC
786680135828
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Certifications
Contact Manufacturer
Type
Encapsulated transformer
Feature → Business Impact → Application. Encapsulated construction provides superior moisture ingress protection and enhanced safety, reducing field failures and maintenance costs in dusty or humid factory floors. This translates to longer service intervals and lower lifecycle costs when deployed in control panels for conveyors, motors, and PLC-driven equipment. The 3 KVA, 1PH design supports typical control circuitry and isolated feeds, delivering reliable voltage performance for industrial automation and machine controls with minimal footprint and simpler wiring. By offering a compact, single-phase solution, installation teams experience faster panel zoning, easier cable management, and reduced risk during retrofits or new builds. The 120-277V input range broadens compatibility with common plant power systems, enabling plug-and-play integration with existing BOP (balance of plant) infrastructures. Thermal rise performance of this encapsulated transformer supports sustained operation under peak-load scenarios, helping keep controls responsive and preventing nuisance trip events. Certifications are coordinated with the manufacturer, ensuring traceability and compliance alignment for end-user audits and regulatory filings. This transformer is well-suited for high-demand manufacturing lines, packaging equipment, and industrial controls where uptime and reliability are non-negotiable.
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FAQs
Begin with verifying panel clearance and mounting provisions for encapsulated transformers, then secure the unit to a non-conductive chassis or panel rail. Route input 120-277 VAC conductors with proper strain relief, and connect the secondary to the control circuits or PLC power rails. Ensure proper grounding and adhere to enclosure ingress protection requirements, using sealant or gland kits as needed for the operating environment. Pre-make wiring harnesses to simplify field termination and reduce commissioning time.
The S12N27S03 is a 3 KVA encapsulated transformer with a single-phase 1 nominal configuration and an input range of 120 to 277 VAC. It features 115C rise characteristics, designed for reliable performance under elevated temperatures, and is intended for general-purpose transformer applications in industrial control panels and power distribution within machine automation environments.
Yes, its encapsulated construction provides enhanced enclosure protection and insulation suitable for industrial automation applications. While specific IP or SIL certifications should be confirmed with the manufacturer, encapsulated transformers are commonly chosen for their ruggedness, moisture resistance, and ease of installation in factory floors, equipment housings, and control cabinets subject to dust, moisture, or transient power events.
Certification availability for the S12N27S03 is coordinated with Eaton. Typical considerations include CE marking for European compliance and enclosure protection attributes; SIL readiness depends on the application. To confirm exact certifications for your lot, request the latest Eaton specification sheet and contact Eaton’s technical support for formal documentation and testing evidence relevant to your regulatory needs.
The encapsulated design minimizes moisture ingress and reduces field maintenance, contributing to longer mean time between failures and lower downtime. Its 3 KVA rating supports diverse control circuits without oversizing, improving energy efficiency and reducing part counts. Quick installation and reliable operation translate to faster commissioning, lower labor costs, and a favorable total cost of ownership in ongoing industrial maintenance programs.