Eaton S25092 General purpose encapsulated transformer - UL Listed
Part Number: S25092
Quick Summary
Eaton S25092 general-purpose encapsulated transformer powers control panels and distribution systems in industrial environments. A common pain point is delivering stable low-voltage power in tight spaces and harsh surroundings. This unit’s rugged NEMA 3R enclosure and aluminum coil provide dependable operation across indoor-outdoor sites, while its 60 Hz single-phase design aligns with standard plant power. UL Listed certification adds regulatory confidence for integration into compliant electrical assemblies. The 25 kVA rating supports scalable panel upgrades and spare-part readiness, and the 120 V primary and secondary enable straightforward replacements in existing 120/120 configurations. By combining durability with precise voltage regulation, it helps facilities improve efficiency, reduce downtime, and lower lifecycle costs.
Product Information
Extended Description
S25092 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 00X, 60 Hz, single-phase, 120 V, 120 V, 1 at +5% FCAN, 1 at -5% FCBN, 115 °C rise, 25 KVA, indoor-outdoor, 523D
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S25092
UPC
786680030680
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
487 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
00X
Tap size
1 at +5% FCAN, 1 at -5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
523D
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V
Secondary Voltage
120 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Feature: 25 kVA VA rating with 60 Hz, single-phase operation and 120 V primary/secondary. Business Impact: Enables robust power isolation for medium-load control circuits while maintaining compatibility with common plant voltages, reducing the need for multiple transformers. Application: Ideal for control panels, switchgear, and distribution panels in manufacturing facilities seeking reliable, scalable low-voltage power. Feature: NEMA 3R enclosure with indoor-outdoor suitability and aluminum coil construction. Business Impact: Withstands weather, debris, and humidity, lowering maintenance costs and extending service life in outdoor or damp locations. Application: Outdoor enclosures, industrial plants, and exposed electrical rooms where durability matters. Feature: Tap size options of 1 at +5% FCAN and 1 at -5% FCBN. Business Impact: Tightens voltage regulation amid supply fluctuations, improving equipment performance and reducing nuisance trips. Application: Panel installations near variable utility feeds or long feeder runs. Feature: 115 °C rise insulation and 25 kVA rating. Business Impact: High-temperature insulation supports reliable operation in hot environments, reducing failure risk and extending transformer life. Application: High-load panels and distribution centers with elevated ambient temperatures. Feature: 487 lb weight, frame 00X, wiring connection 523D, and UL Listed certification. Business Impact: Solid, secure mounting and clear wiring compatibility simplify installation, inspection, and compliance audits. Application: OEM retrofits, facility upgrades, and spare-part inventories where documentation and traceability matter. Feature: Weathershield indoor-outdoor capability and 60 Hz single-phase performance. Business Impact: Versatile deployment across diverse site conditions, enabling standardized spares and streamlined procurement. Application: Modernization projects and new builds requiring a rugged, single-source transformer solution.
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FAQs
For installation, plan for a hoist or lifting equipment to position the 487 lb unit safely. Ensure there is adequate clearance for wiring connections and adequate ventilation around the NEMA 3R enclosure. Use proper mounting supports suitable for indoor-outdoor service and adhere to local electrical codes for panel installations and outdoor applications.
The S25092 is a 25 kVA, 60 Hz, single-phase transformer with 120 V primary and 120 V secondary. It features taps at +5% FCAN and -5% FCBN for voltage regulation, and a 115 °C insulation rise rating. These specs support stable operation in standard 120/120 power systems with reliable load handling.
Yes. The unit features an indoor-outdoor NEMA 3R enclosure and weatherize-friendly construction with an aluminum coil, designed for reliability in exposed or damp environments. This makes it suitable for outdoor equipment rooms, weather-protected outdoor cabinets, and facilities requiring durable transformer installations.
The S25092 is UL Listed, providing regulatory assurance for electrical assemblies. It carries Eaton’s standard warranty of one year from installation or eighteen months from shipment, whichever occurs first, giving buyers a clear expectation for coverage and service support during the critical early lifecycle period.
The two taps—one at +5% and one at -5%—allow minor voltage adjustments to compensate for line fluctuations and voltage drop along feeders. This improves voltage regulation at the load, reduces nuisance tripping, and supports stable operation for sensitive control devices in panel installations.