Eaton S44M14S25 Transformer - UL Listed (General-Purpose)
Part Number: S44M14S25
Quick Summary
Transformer is a general-purpose encapsulated unit that steps 440 V to 110/220 V for control panels in industrial settings. Manufacturers and maintenance teams often struggle to find a durable, weather-rated option that fits tight enclosures and supports reliable voltage regulation. This Eaton transformer carries UL Listed safety certification and is designed for indoor-outdoor use with a NEMA 3R enclosure, offering rugged performance in harsh environments. Beyond safety, it delivers 25 kVA of single-phase power at 60 Hz, with dual secondary voltages and precise tap settings to simplify field wiring. The result is faster panel builds, reduced downtime, and better lifecycle value for electrical distribution systems.
Product Information
Extended Description
S44M14S25 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 182, 60 Hz, single-phase, 440 V, 110/220 V, 2 at +2.5% FCAN, 4 at -2.5% FCBN, 115 °C rise, 25 KVA, indoor-outdoor, 83G
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S44M14S25
UPC
786680080869
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
0.001 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
182
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
83G
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
440 V
Secondary Voltage
110/220 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Encapsulated construction with aluminum windings provides rugged protection against moisture and vibration, reducing field failures and maintenance costs for critical panel feeders in harsh environments. This design translates to longer service life and lower total cost of ownership in manufacturing and process facilities. Indoor-outdoor suitability with a NEMA 3R enclosure enables installation in exposed spaces without requiring additional housings, streamlining site planning and installation time for outdoor facilities and service yards. Dual secondary voltages of 110/220 V simplify wiring and enable a single transformer to serve multiple loads, cutting part counts and increasing panel design flexibility for machine builders and control rooms. Tap settings 2 at +2.5% FCAN and 4 at -2.5% FCBN deliver precise voltage regulation across fluctuating line voltages, reducing equipment stress and improving control accuracy in equipment like drives and relays. The compact 182 frame with dimensions of 14.12 in L × 16.35 in W × 23.31 in H fits tight panel spaces, accelerating retrofits and new installations in tight enclosures. At 60 Hz single-phase operation and a 25 kVA rating, this transformer balances power throughput with footprint for reliable distribution in industrial environments.
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FAQs
This unit employs a NEMA 3R enclosure and WeatherShield compatibility, enabling reliable operation in both indoor and outdoor environments while maintaining UL Listed safety compliance.
The transformer provides 110/220 V on the secondary. It includes taps: 2 at +2.5% FCAN and 4 at -2.5% FCBN, allowing voltage adjustment to counter line voltage variations and stabilize load performance.
Dimensions are 14.12 in (length) × 16.35 in (width) × 23.31 in (height); weight listed as 0.001 lb, with frame 182; these figures support compact installation in panel assemblies.
Warranty follows Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first.
Datasheets are available in the Eaton catalog and specification sections: Commercial Distribution, Transformers Volume 2 Tab 2, and the Eaton Specification Sheet for S44M14S25.