Eaton S38N25S07 Encapsulated Transformer - UL Listed
Part Number: S38N25S07
Quick Summary
The Eaton S38N25S07 general-purpose encapsulated transformer is designed to reliably step down 380 V to 220 V for control panels and industrial equipment. In practice, engineers wrestle with indoor-outdoor placement, space constraints, and wiring complexity; this unit’s NEMA 3R enclosure, compact footprint, and 511AP wiring simplify installation while improving uptime. Key certifications and ratings include UL Listed safety certification and a weather-resistant enclosure suitable for indoor-outdoor service, plus a 115 °C rise rating that accommodates higher ambient conditions. With a 7.5 kVA rating and aluminum coil, it delivers dependable power with lighter weight and better heat dissipation, translating to lower lifecycle costs and predictable performance in automation projects.
Product Information
Extended Description
S38N25S07 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 178, 60 Hz, single-phase, 380 V, 220 V, NONE, 115 °C rise, 7.5 KVA, indoor-outdoor, 511AP
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S38N25S07
UPC
786680062957
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
135 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
178
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
511AP
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
380 V
Secondary Voltage
220 V
Temperature rise
115 °C rise
Volt ampere rating
7.5 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: General-Purpose encapsulated design (EP) provides robust isolation and long-term durability in diverse environments, reducing maintenance costs and downtime across factory floors. Application: control panels and machine enclosures where reliable power conversion is essential. Feature → Business Impact → Application: NEMA 3R enclosure enables indoor-outdoor deployment, minimizing cabinet requirements and enabling quick outdoor installations in warehouses or production lines. Application: outdoor-rated equipment housings and exterior control stations. Feature → Business Impact → Application: 7.5 kVA power rating supports 380 V to 220 V conversions for multiple control circuits, improving panel density and reducing the need for additional transformers. Application: automation cabinets with multiple feeds. Feature → Business Impact → Application: Aluminum coil reduces weight and improves heat dissipation compared with copper, lowering installation effort and enhancing longevity. Application: transportable and space-constrained control panels. Feature → Business Impact → Application: UL Listed certification and Eaton warranty provide procurement confidence and regulatory compliance, speeding up approval cycles. Application: enterprise-scale procurement and project kickoffs. Feature → Business Impact → Application: 511AP wiring connection simplifies field wiring, enabling faster commissioning and less miswiring risk. Application: new panel builds and retrofit projects.
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FAQs
Installation guidance for the S38N25S07 focuses on mounting within a NEMA 3R-rated enclosure, connecting via the 511AP wiring method, and aligning with the 380 V primary to 220 V secondary configuration. Plan panel space for its 9.89 in depth, 16 in height, and 10.38 in width, and ensure adequate clearance for heat dissipation and inspection access.
The transformer is 7.5 kVA, 60 Hz, single-phase, with a primary voltage of 380 V and a secondary voltage of 220 V. It features an aluminum coil, a 115 °C rise rating, and is designed for indoor-outdoor use with a 511AP wiring connection. This combination supports reliable, controlled power delivery in prioritised automation zones.
Yes. The S38N25S07 uses a NEMA 3R enclosure and is rated for indoor-outdoor service. This makes it well-suited for equipment mounted near exterior walls, outdoor process areas, or locations where protection from weather, dust, and humidity is required, reducing the need for additional enclosure provisions.
The S38N25S07 is UL Listed, confirming adherence to applicable safety standards. The enclosure rating and epoxy-insulated design further support compliance in regulated environments, while the unit’s warranty coverage (one year from installation or eighteen months from shipment) provides assurance during procurement and deployment.
The combination of a robust encapsulated design, aluminum coil, and compact form factor reduces weight and simplifies installation, leading to faster commissioning and lower labor costs. With UL safety certification and dependable 7.5 kVA capacity, it improves system reliability, minimizes unplanned downtime, and supports a favorable total cost of ownership in automation projects.