Eaton S27N12B02CULS42 Encapsulated Transformer - 2 KVA
Part Number: S27N12B02CULS42
Quick Summary
The Eaton S27N12B02CULS42 encapsulated transformer provides reliable 2 kVA power for control panels and distribution. Engineers often struggle with moisture ingress, tight footprints, and wiring compatibility in demanding industrial environments. Certifications are listed as 'Contact Manufacturer'—verify region-specific approvals; Eaton transformers commonly align with UL, CE, and RoHS where applicable. This model supports fast procurement for automation projects and helps reduce risk by providing a robust, copper-wound power source. Its 1-phase design and 2 kVA rating make it ideal for PLCs, relays, and motor starters in control cabinets. Source continuity improves with Eaton's global support ecosystem, helping teams meet uptime targets and streamline maintenance planning.
Product Information
Extended Description
S27N12B02CULS42 Eaton: Eaton General purpose encapsulated transformer, 2 KVA ENCAPS 1PH 277-12080C RISE, COPPER
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N12B02CULS42
UPC
786680135811
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: The 2 KVA general-purpose encapsulated transformer delivers stable, isolated power tailored for 277 V mains environments within automation panels. Business impact: By isolating control circuits from mains fluctuations, it minimizes nuisance trips, reduces downtime, and extends equipment life through cleaner voltage profiles. Application: Suitable for PLCs, relays, servo controllers, soft starters, and other 120 V control circuits in single-phase systems typical of modern industrial facilities. Feature: Encapsulated enclosure provides rugged protection against moisture, dust, vibration, and routine handling in busy manufacturing plants. Business impact: This resilience translates to longer service intervals, lower maintenance costs, fewer field-service calls, and reduced spare-part inventories for critical control equipment. Application: Ideal for crowded control rooms, damp areas, washdown zones, and retrofits where standard open-frame components risk windings exposure. Feature: Copper windings with 80C rise capability ensure reliable performance during startup surges and continuous cycling. Business impact: Copper construction reduces resistive losses and improves thermal management, boosting overall efficiency and extending service life in high-load automation zones. Application: Powering PLC racks, drive circuits, motor controllers, and I/O modules in assembly lines and process automation environments. Feature: 1-phase design with 277/120 V compatibility simplifies integration with existing plant power architectures and a broad range of Eaton and third-party components. Business impact: Streamlined wiring lowers installation time, reduces labor costs, and minimizes the risk of miswiring during panel builds and field retrofits. Application: Retrofit projects and new installations where standard control voltages are used across equipment, enabling consistent performance. Feature: Comprehensive product documentation and datasheets provide clear, actionable specifications and wiring diagrams. Business impact: Rigorous documentation accelerates design reviews, enables accurate BOMs, supports compliance checks, and shortens lead times for panel builds. Application: Engineering validation for automation projects, service contracts, and spare-part planning in manufacturing facilities, ensuring predictable maintenance cycles.
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FAQs
Plan for proper mounting in a stable, vibration-minimized location with adequate clearance for heat dissipation. Ensure correct wiring from 277 V input to 120 V secondary, and use appropriate protective devices sized for a 2 KVA load. Verify that connectors and terminals are compatible with copper windings and that wiring insulation is rated for the operating voltage.
Start with the transformer’s 2000 VA rating and apply a power factor for the expected load. For example, a PLC rack with 1.0 A at 120 V draws about 120 VA; for startup surges, consider a 20–50% headroom. Ensure total secondary load remains below the 2 KVA limit to prevent voltage drop and overheating.
Yes, the encapsulated enclosure provides robustness against dust, moisture, and mechanical handling typical of industrial plants. The copper windings and 80°C rise capability support reliable operation under field-start conditions. However, confirm regional certifications with the manufacturer and ensure installation adheres to local electrical codes and safety standards.
The product lists certifications as 'Contact Manufacturer', so regional approvals must be confirmed with Eaton or through the official datasheets. For procurement and compliance, review the Eaton specification sheet and catalog pages linked in the downloads to identify any UL, CE, RoHS, or country-specific marks applicable to your region.
Expect a favorable return on investment from improved panel reliability and reduced downtime due to stable control voltage. Copper windings offer lower resistive losses and longer life under cycling, while the encapsulated design minimizes maintenance in harsh spaces. Plan for periodic inspection of connections and verify that spares are stocked for quick replacements.