Eaton S39D25S07 Encapsulated Transformer - 115C Rise
Part Number: S39D25S07
Quick Summary
Eaton S39D25S07 encapsulated transformer is a general-purpose power converter designed for industrial control panels and distribution networks. This compact encapsulated design minimizes oil leakage risk and simplifies installation in crowded cabinets, addressing space and maintenance challenges engineers face daily. Certifications are provided per manufacturer guidelines; verify approvals with Eaton for your region. With a 7.5 KVA rating, 1PH operation, and a 400-220 V output, it delivers reliable power for controls while supporting efficiency and lifecycle cost reductions. This unit aligns with industrial automation needs and power distribution best practices, offering a practical balance between performance and total cost of ownership.
Product Information
Extended Description
S39D25S07 Eaton: Eaton General purpose encapsulated transformer, 7.5 KVA ENCAPS 1PH 400-220 115C RISE
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S39D25S07
UPC
786680135996
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 design reduces environmental exposure and leakage risk, enhancing operator safety in crowded control panels and lowering maintenance downtime. This directly translates to fewer service calls and more uptime for critical manufacturing processes. The 7.5 KVA rating at 1PH 400-220 V supports multiple control circuits from a single compact unit, simplifying panel design and reducing part count for improved inventory control and quicker assembly. A 115°C rise rating provides confidence when cabinets have modest cooling, enabling reliable performance in typical factory environments without oversized HVAC requirements. Access to Eaton catalogs and the S39D25S07 datasheet ensures correct sizing, compatible mounting options, and streamlined procurement across engineering teams. If you need additional isolation or protection, encapsulation simplifies integration with protective enclosures and cable management solutions.
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FAQs
Begin with a suitable enclosure and verify cabinet clearance to maintain adequate ventilation. Mount the transformer on a flat surface using vibration-resistant hardware, connect the 400–220 V supply to the primary terminals, and route the 1-phase secondary leads to the control circuits. Ensure proper grounding and follow the Eaton installation guidelines in the S39D25S07 datasheet for torque specs and isolation clearances. This approach minimizes heat buildup and reduces maintenance trips by improving reliability in dense panels.
The unit delivers 7.5 KVA with a single-phase input/output configuration at 400-220 V and a 115°C rise. It is best used in general-purpose power distribution within industrial control panels, automation lines, and feeder circuits where space is at a premium and a reliable, encapsulated transformer is preferred for reduced oil leakage risk and simplified mounting in confined spaces.
Yes. With a 7.5 KVA rating and 1PH operation, it provides solid power for control circuits and distributed loads typical in machine tool feeders and automation lines. Be mindful of ambient temperature and cabinet cooling; the 115°C rise rating supports typical factory environments. For best results, match the load profile to the transformer’s regulation and efficiency characteristics and consult the Eaton datasheet for installation guidelines.
Certifications for the S39D25S07 are listed as ‘Contact Manufacturer’ in the official specifications. For region-specific approvals (such as CE, UL, or SIL), consult Eaton’s technical resources and request confirmation from the manufacturer to ensure compliance with local regulatory requirements before deployment.
Encapsulation minimizes oil exposure and leakage risk, reducing environmental concerns and maintenance intervals in harsh environments. The compact footprint simplifies panel design, lowers installation time, and can reduce cooling needs, contributing to lower operating costs. Over the lifecycle, the transformer supports higher uptime and predictable performance, which translates into measurable gains in productivity and lower total cost of ownership.