Eaton S27N11S16A General-Purpose Transformer - UL Listed
Part Number: S27N11S16A
Quick Summary
Eaton S27N11S16A General-Purpose Transformer provides reliable voltage transformation for control panels and industrial equipment. This single-phase unit helps prevent voltage fluctuations that cause downtime, equipment wear, and unpredictable performance in demanding settings. UL Listed safety certification and a NEMA 3R enclosure provide protection for indoor-outdoor installations; CE and IP ratings are not specified for this model. Designed for low-voltage distribution in control systems, this transformer supports efficient energy transfer and simplified maintenance. With a 1.5 kVA rating and 277 V to 120/240 V outputs, it accommodates a broad range of automation and lighting circuits. Its 115 °C rise margin provides thermal headroom for reliable operation in demanding environments.
Product Information
Extended Description
S27N11S16A Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 67, 60 Hz, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 1.5 KVA, indoor-outdoor, 524A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11S16A
UPC
782114169766
Product Length/Depth
6.52 in
Product Height
13.41 in
Product Width
6.37 in
Product Weight
42 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
Catalog Notes
Model A
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
67
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
277 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
1.5 kVA
Weathershield
Indoor-Outdoor
The S27N11S16A delivers 1.5 kVA of output power, enabling multiple control loads without oversizing, while aluminum windings reduce weight and improve corrosion resistance. This translates to lower installation effort and longer-lasting performance in harsh environments; ideal for control panels and small power distribution circuits in manufacturing facilities. The NEMA 3R enclosure and Weathershield capability offer indoor-outdoor protection, simplifying outdoor installations and reducing enclosure-related maintenance. The unit’s compact footprint (6.52 in L × 6.37 in W) and 42 lb weight facilitate simpler mounting in standard instrument panels, improving space utilization and serviceability. 60 Hz performance with 277 V primary and 120/240 V secondary supports common automation topologies, enabling flexible integration with existing equipment. The 115 °C rise rating provides a healthy thermal margin for continuous operation in variable ambient conditions.
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FAQs
The S27N11S16A is a 60 Hz, single-phase transformer with a 277 V primary and a 120/240 V secondary, designed to feed control panels and automation circuits. Its compact footprint (6.52 in L × 6.37 in W × 13.41 in H) and 42 lb weight simplify mounting in standard enclosures. A NEMA 3R housing supports indoor-outdoor installations, and the 524A wiring connection provides robust terminal compatibility.
The S27N11S16A delivers 1.5 kVA of output power, supporting multiple control loads while preserving efficiency. Aluminum windings offer corrosion resistance and lighter weight, aiding field handling. It operates at 60 Hz with a 277 V primary and 120/240 V secondary, and has a 115 °C rise rating, providing a healthy thermal margin for continuous operation under typical industrial ambient conditions.
Yes. The S27N11S16A is designed for indoor-outdoor service with a NEMA 3R enclosure and Weathershield capabilities, enabling reliable operation in exposed environments. This makes it suitable for outdoors on weather-prone facilities and unconditioned spaces while maintaining electrical safety. UL Listed certification reinforces compliance with safety standards, and the enclosure design reduces risk from dust, moisture, and temperature fluctuations.
This transformer carries UL Listed certification for safety, reflecting Eaton's commitment to electrical integrity. While CE and IP ratings are not specified for this model, the rugged NEMA 3R enclosure and protective features align with many international safety expectations, supporting installation in diverse markets. Customers should confirm local regulatory requirements when equipping outdoor or harsh environments.
The S27N11S16A carries Eaton's warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance focuses on verifying electrical connections, securing the enclosure, and inspecting for signs of wear or moisture ingress. Regular checks help prevent unexpected outages, extend service life, and sustain electrical performance in demanding industrial settings.