Eaton S20L11B25CULS47 Transformer - 1Ph Copper
Part Number: S20L11B25CULS47
Quick Summary
Eaton general purpose encapsulated transformer is a compact, single-phase power transformer designed for general purpose voltage conversion in industrial facilities, control cabinets, and equipment rooms. This unit addresses common issues with undersized or overheating transformers that lead to downtime and erratic performance. Certification and regulatory approvals matter; for this model, Eaton coordinates market-specific listings and can provide CE, UL, or other certifications as applicable. By leveraging copper windings and encapsulated protection, you gain long-term reliability, lower maintenance, and tighter voltage regulation. These benefits translate to reduced total cost of ownership and smoother operations for machine tools, conveyors, and automation panels.
Product Information
Extended Description
S20L11B25CULS47 Eaton: Eaton, general purpose encapsulated transformer, 25 kva encaps xfmr 1ph 240 x 480-120/240 80c rise copper
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20L11B25CULS47
UPC
786680141720
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 shields windings from dust, moisture, and mechanical stress, improving reliability and extending service life. The sealed design also minimizes maintenance cycles and reduces insulating system failures in harsh environments. The 25 kVA rating in a single-phase encapsulated form delivers consistent voltage conversion for control circuits and small machines, boosting efficiency and limiting nuisance tripping. Copper windings offer lower resistance losses and superior thermal performance, supporting tighter regulation and cooler operation under peak loads. Compatibility and installation are streamlined by standard catalog cross-references, 240/480 V primary to 120/240 V secondary, and encapsulated format that fits compact panels and enclosures. Common objections, such as concerns about certification or market-specific listings, are mitigated by manufacturer support and readily available datasheets and spec sheets. This combination supports reduced downtime, easier maintenance planning, and predictable performance in demanding industrial environments.
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FAQs
For proper installation in a control panel, mount the unit in a clean, dry enclosure with adequate ventilation and clearance for heat dissipation. Use sturdy mounting hardware, route primary and secondary conductors with appropriate gauge for 240/480 V and 120/240 V circuits, and follow Eaton datasheet torque specs. Encapsulation minimizes dust ingress, but maintain enclosure integrity and comply with local electrical codes during wiring and labeling.
Yes. The S20L11B25CULS47 is a single-phase encapsulated transformer with a 240/480 V primary and a 120/240 V secondary, rated at 25 kVA. This configuration provides reliable voltage conversion for control panels, machines, and other single-phase loads, while its encapsulated design enhances protection against environmental contaminants and simplifies panel integration.
Applications include industrial control panels, machine tools, conveyors, and automation cabinets that require stable 120/240 V secondary supply from 240/480 V mains. The 25 kVA rating supports mid-range loads with robust voltage regulation and fault isolation, reducing nuisance tripping and improving uptime in production lines, packaging, automotive assembly, and process control environments.
Certification details are managed through the manufacturer and vary by market. For the S20L11B25CULS47, Eaton can provide market-specific listings such as CE or UL where required. To confirm current certifications for your region and application, contact Eaton or review the Eaton datasheet and catalog pages linked in the product downloads.
ROI comes from higher reliability, lower maintenance, and reduced downtime due to encapsulated protection and robust copper windings. The 25 kVA rating supports scalable loads with tighter voltage regulation, which minimizes outages and equipment stress. Over time, this translates to lower spare parts costs, simpler panel upgrades, and predictable operating costs in high-demand production environments.