Eaton S27N11P26P General-Purpose Encapsulated Transformer - UL Listed

Part Number: S27N11P26P
Manufacturer
Eaton
Part number
S27N11P26P

Quick Summary

Eaton S27N11P26P General-Purpose Encapsulated Transformer delivers reliable 0.25 kVA power conversion for control panels and industrial equipment. When space is tight or downtime threatens production, failures and voltage mismatches drive maintenance costs. UL Listed safety certification and a NEMA 3R enclosure support indoor-outdoor service, while the 60 Hz, single-phase design aligns with common electrical codes. Its 277 V primary and 120/240 V secondary enable flexible power distribution across mixed-load environments, and the epoxy encapsulation enhances ruggedness in challenging plant conditions. For engineers and procurement teams, this transformer offers a compact, dependable solution that integrates smoothly with existing power management systems, improving uptime and operational efficiency.

Product Information

Extended Description

S27N11P26P Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 57P, 60 Hz, single-phase, 277 V, 120/240 V, NONE, 115 °C rise, 0.25 KVA, indoor-outdoor, 524A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S27N11P26P
UPC
786680097614
Product Length/Depth
5.18 in
Product Height
8.5 in
Product Width
4.45 in
Product Weight
15.75 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
57P
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
0.25 kVA
Weathershield
Indoor-Outdoor
Feature 0.25 kVA VA rating with 277 V primary and 120/240 V secondary provides a compact solution for medium-load applications, reducing cabinet size and wiring complexity → This translates to lower panel footprint and simplified interconnects in control panels and distributed power setups. Feature 60 Hz single-phase operation matches standard industrial mains, enabling straightforward integration with existing equipment and reducing installation risk → Operators see consistent performance and fewer mismatches in voltage-critical loads, boosting reliability. Feature Epoxy encapsulation and aluminum coil offer rugged insulation and moisture resistance → This improves field durability and long-term reliability in harsh environments, lowering maintenance costs. Feature NEMA 3R enclosure design and indoor-outdoor suitability protect transformers against weather and contaminants → Enables outdoor or partially sheltered installations without compromising safety or performance. Feature 57P frame with precise dimensions (5.18 in x 8.5 in x 4.45 in) provides a compact footprint for tight panels and retrofit projects → This supports quicker installation, easier service access, and better space management in panel boards. Feature UL Listed certification and 524A wiring connection simplify compliance and wiring planning → Streamlines approval processes and component sourcing while ensuring consistent fit and compatibility. Feature 115 °C rise rating and 0.25 kVA rating balance performance and thermal headroom for continuous operation in continuous-duty applications → Optimizes uptime and reduces the risk of overheating in steady-state service. Feature Weathershield Indoor-Outdoor capability expands application envelope across controlled environments and exposed installations → Broadens use cases from indoor MCCs to outdoor equipment rooms with minimal enclosure changes.

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FAQs

Install in a location that supports indoor-outdoor service per NEMA 3R guidelines. Ensure proper clearance for ventilation and access to the 524A wiring connection, and verify that panel mounting aligns with the 57P frame constraints for a secure fit.
Primary voltage is 277 V, secondary voltage is 120/240 V, and the volt-ampere rating is 0.25 kVA. It operates at 60 Hz and is designed for single-phase service, suitable for control panels and low-power distribution tasks.
Yes. The transformer uses an NEMA 3R enclosure and indoor-outdoor capability with UL Listed certification, making it suitable for weather-exposed installations when properly mounted and wired.
It is UL Listed for safety, has a 57P frame, and comes with a warranty of one year from installation or eighteen months from shipment, whichever occurs first, per Eaton policy 25-000.
Use the 524A wiring connection for wiring compatibility, ensure proper torque and termination, and consider enclosure sealing for outdoor use. The compact footprint and robust enclosure support reduced field labor and longer asset life, improving total cost of ownership.