Eaton S48N11S03LS42 Encapsulated Transformer - 3 kVA
Part Number: S48N11S03LS42
Quick Summary
Eaton S48N11S03LS42 encapsulated transformer provides reliable low-voltage power for 480-120/240 V control panels. In many projects, space constraints and safety requirements complicate transformer selection. Certification considerations vary by region; consult Eaton for current marks such as CE, UL, or CSA. This general-purpose encapsulated design minimizes footprint and thermal rise, delivering dependable power for automation, machine tools, and distribution panels. With 3 kVA capacity and a 1-phase rating, it supports rugged industrial use while simplifying procurement for OEMs. Using this transformer can reduce downtime and support scalable control architectures.
Product Information
Extended Description
S48N11S03LS42 Eaton: Eaton, general purpose encapsulated transformer, 3 kva, encaps, 1ph, 480-120/240, 115c, rise
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48N11S03LS42
UPC
786680135897
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
Encapsulated construction provides rugged protection for windings and insulation, shielding the core from dust, moisture, and vibration. That ruggedness reduces field failures and lowers maintenance costs in long-running systems. Applications include automation panels, machine tools, distributed control systems, and harsh manufacturing floors where reliability matters most. 3 kVA rating with a single-phase 480 V primary and 120/240 V secondary offers straightforward compatibility with common plant power architectures. The encapsulated form reduces enclosure leakage paths and supports safer, cleaner installations by confining heat and insulation within a sealed envelope. OEMs and integrators rely on these transformers for 480 V control circuits in manufacturing lines, robotics cells, and packaging equipment. 115°C rise design supports stable performance under high-load conditions, helping to avoid derating and unexpected voltage sag during peak demand. This thermal performance improves overall system efficiency and reduces cooling requirements in control cabinets. Use cases include stamping presses, conveyors, machine tools, and autonomous automation cells where consistent voltage at elevated temperatures matters. Compact encapsulated footprint minimizes panel space, enabling denser control architectures without sacrificing maintenance access or serviceability. The design also contributes to shorter installation times and easier retrofits by allowing closer component spacing and simplified cable management. Suitable for compact control cabinets, retrofit projects, and new builds where space is at a premium. Documentation and support streamline procurement, with Eaton providing datasheets and downloadable catalogs for the S48N11S03LS42. This ensures correct part selection, accurate mounting references, and alignment with regional safety requirements. Manufacturers, system integrators, and distributors benefit from reliable power isolation for control circuits and a clearer path to compliant automation deployments.
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FAQs
Follow standard electrical enclosure procedures: verify 480 V primary and 120/240 V secondary compatibility, mount the unit in a suitable enclosure, and connect conductors with appropriate lugs and wire gauges. Ensure adequate clearance for heat dissipation, and route primary and secondary leads separately. Always consult the Eaton datasheet and local codes before commissioning.
This is a single-phase transformer rated at 3 kVA, with a 480 V primary and a 120/240 V secondary. It features encapsulated construction and a temperature rise rating of 115°C. The catalog number is S48N11S03LS42 with UPC 786680135897. These specs support control circuits in industrial panels and automation equipment.
Yes. The encapsulated design provides protection against dust, moisture, and vibration, enhancing reliability in harsh settings. Its 3 kVA rating supports demanding automation tasks, and the single-phase configuration simplifies integration with typical factory power networks. It is well-suited for manufacturing lines, robotics cells, and packaging equipment where uptime matters.
Certification marks depend on regional requirements. For current approvals, consult Eaton’s datasheet or customer service to confirm CE, UL, CSA, or other regional marks. The product information indicates certifications are determined by the manufacturer, so verify against your local compliance standards before procurement.
The encapsulated construction reduces dust/moisture ingress and vibration-induced wear, lowering maintenance and downtime. The compact form factor saves panel space and can simplify retrofits, while the reliable 3 kVA rating ensures stable control power, which translates to fewer voltage-related faults and improved system uptime—critical factors in OEM and automation projects.