Eaton S39N11S16 Encapsulated Transformer -NEMA3R
Part Number: S39N11S16
Quick Summary
An Eaton general-purpose encapsulated transformer delivers clean 400 V to 120/240 V for control panels. Maintenance and uptime challenges are reduced by its rugged indoor-outdoor NEMA 3R enclosure and UL Listed safety. UL Listed certification, NEMA 3R enclosure, and a robust 115°C rise rating provide essential compliance and reliable performance in rugged environments. This combination supports quick deployment and consistent operation across machines and control enclosures, even in harsh ambient conditions. In practice, the 1.5 kVA rating at 60 Hz single-phase reduces inventory needs while simplifying wiring and panel design. Aluminum windings further improve efficiency, aligning with industry best practices for energy-conscious facilities.
Product Information
Extended Description
S39N11S16 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 67, 60 Hz, single-phase, 400 V, 120/240 V, NONE, 115 °C rise, 1.5 KVA, indoor-outdoor, 524S
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S39N11S16
UPC
786685183886
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
39 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
67
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524S
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
400 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
1.5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S39N11S16
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The S39N11S16 is a 1.5 kVA, 400 V to 120/240 V single‑phase transformer designed for general‑purpose use. Its rating ensures a compact, scalable source for control circuits and minor automation loads, reducing the need for multiple smaller devices and simplifying procurement. In practical terms, this translates to lower installation time and fewer interconnects in panels, making it ideal for control cabinets in automotive, packaging, and process lines. Feature → Business Impact → Application: The device uses aluminum coil material and an EP design for improved thermal performance and lighter weight compared with copper windings, aiding efficiency and ease of handling during installation. The 115 °C rise rating supports reliable operation in hot industrial environments without oversizing the transformer, while the UL Listed certification provides safety compliance for your panel builds. Feature → Business Impact → Application: Enclosure rated NEMA 3R with Indoor-Outdoor suitability reduces weather-related risk and eliminates separate outdoor enclosures. The 524S wiring configuration and compact footprint (6.52 in L × 6.37 in W × 13.41 in H) with a 39 lb weight enable straightforward mounting in standard electrical racks and control panels. Feature → Business Impact → Application: A one-year Eaton warranty (or 18 months from shipment, per policy) gives procurement teams predictable maintenance timelines and mitigates lifecycle risk, while the single‑phase, 60 Hz design integrates seamlessly with PLCs, motor starters, and distribution panels in typical automation environments. Feature → Business Impact → Application: Its compatibility with common distribution hardware and industry-standard ratings translates to faster commissioning, lower spare-parts costs, and improved reliability for machine tooling, packaging lines, and process controls.
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FAQs
The S39N11S16 is a 1.5 kVA, single-phase transformer with a 400 V primary and 120/240 V secondary, rated for 60 Hz. It features aluminum windings, a NEMA 3R enclosure for indoor-outdoor use, a 115 °C rise, and a UL Listed safety certification. Wiring is configured as 524S, and the unit weighs 39 lb with dimensions of 6.52 in (L) × 6.37 in (W) × 13.41 in (H).
Yes. The transformer uses a NEMA 3R enclosure and is rated for indoor-outdoor service, making it appropriate for protected outdoor locations and harsh industrial environments when installed per Eaton’s guidelines. It is UL Listed for safety compliance and supports reliable operation in varied ambient conditions.
Its compact footprint (6.52 in × 6.37 in × 13.41 in) and 39 lb weight simplify mounting in standard electrical enclosures or racks. The 524S wiring connection and 1.5 kVA rating support straightforward panel integration, while the aluminum windings ease handling during installation. The unit is designed for single-phase 60 Hz systems and requires appropriate clearance per enclosure specs.
The transformer is covered under Eaton’s warrantyPolicy 25-000: one year from the date of installation or eighteen months from the date of shipment, whichever comes first. This provides a defined maintenance window and protection against manufacturing defects during the critical early life of the product.
Common uses include control panels for automation systems, machine tool and packaging line power supplies, and distribution panels requiring a reliable 400 V to 120/240 V step-down for control circuits and small automation loads. Its rugged enclosure, 1.5 kVA rating, and 60 Hz single-phase design make it a versatile choice for both new installations and panel upgrades.