Eaton S48M11S25SSCU General-Purpose Encapsulated Transformer - UL Listed
Part Number: S48M11S25SSCU
Quick Summary
The Eaton general-purpose encapsulated transformer steps 480 V down to 120/240 V for industrial controls. Space constraints and outdoor exposure are common challenges in control panels, but this wall-mount unit with a NEMA 3R enclosure delivers rugged, reliable power where it’s needed. UL Listed certification supports safety and compliance, while the Grade 304 stainless steel enclosure and indoor-outdoor capability suit harsh environments. By integrating this transformer into your power distribution strategy, you gain streamlined installation, better voltage regulation, and reduced downtime for critical machinery. This solution also aligns with broader power management and panel automation strategies to improve overall equipment effectiveness.
Product Information
Extended Description
S48M11S25SSCU Eaton: General-Purpose Encapsulated Transformer, EP, Single-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 120/240V, 115°C, 25 kVA, Cu windings, Frame: 182 Wall-mounted, Indoor-Outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48M11S25SSCU
UPC
786680000249
Product Length/Depth
14.12 in
Product Height
18.06 in
Product Width
16.35 in
Product Weight
412 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.
Compliances
Not Applicable
Certifications
UL Listed
Catalog Notes
Grade 304 stainless steel enclosure
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
182
Insulation
180 °C
Mounting
Wall
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
83A
Frequency rating
60 Hz
Kva Rating
25 kVA
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
120/240 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Special features
Wall-mount only
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: The S48M11S25SSCU delivers 25 kVA in a single-phase encapsulated design, enabling compact, efficient power conversion from 480 V to 120/240 V for control panels and machine circuits, reducing wiring complexity and cabinet space requirements in rugged industrial environments. This supports improved panel density and faster commissioning across manufacturing lines. Feature → Business Impact → Application: Copper windings with 180 °C insulation and a 115 °C rise performance provide enhanced thermal reliability, enabling longer duty cycles in continuous operation and minimizing thermal fault risks in hot-shops or outdoors. This is ideal for heavy control loads in packaging, material handling, and process automation. Feature → Business Impact → Application: Wall-mount installation with a NEMA 3R indoor-outdoor enclosure and Grade 304 stainless steel housing delivers weather resistance and durable service in outdoor panels, workshops, and exposed facilities, reducing corrosion concerns and maintenance costs while meeting stringent industrial standards. Feature → Business Impact → Application: Primary taps at +2.5% FCAN and four taps at -2.5% FCBN offer voltage regulation options, ensuring stable secondary voltages for sensitive controls and sensors, which lowers equipment wear and improves process accuracy in variable supply conditions. Feature → Business Impact → Application: 60 Hz operation with a 25 kVA rating and UL Listed certification reinforces compliance with electrical codes and reliability targets, supporting predictive maintenance programs and total cost of ownership reductions for mid-to-large control panels and power distribution assemblies. Feature → Business Impact → Application: 83A wiring connection and frame 182 with a compact footprint simplify installation in existing enclosures and new builds, accelerating project timelines and enabling seamless upgrades or retrofits in industrial automation environments. Overall, the S48M11S25SSCU combines rugged construction with precise voltage regulation to boost uptime, safety, and energy efficiency in demanding manufacturing settings.
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FAQs
For installation, ensure a wall-mount location with sufficient clearance for cooling and access. Verify the 480 V input and 120/240 V secondary connections match panel requirements, and use the 83A wiring terminal as specified. The enclosure is NEMA 3R rated for indoor-outdoor service, and the Grade 304 stainless steel housing supports harsh environments. Plan for proper mounting hardware and secure wiring to minimize vibration and electrical noise.
This is a single-phase transformer rated at 25 kVA with a 480 V primary and 120/240 V secondary. It operates at 60 Hz, features copper windings, and has an insulation rating of 180 °C with a 115 °C rise. Primary taps include two at +2.5% FCAN and four at -2.5% FCBN for voltage regulation, suitable for precise control panel voltage requirements.
Yes. The unit is designed for indoor-outdoor use with a NEMA 3R enclosure and a Grade 304 stainless steel housing, making it appropriate for outdoor panels and harsh environments. Its weather-resistant construction helps maintain performance in outdoor installations while preserving indoor reliability in controls cabinets.
The transformer is UL Listed, ensuring safety and compliance with applicable electrical standards. It features a rugged indoor-outdoor enclosure designed for wall mounting, with a stainless steel grade 304 enclosure suitable for challenging environments. These features support regulatory adherence and long-term durability in industrial settings.
Routine inspection of connections, mounting integrity, and enclosure seals is recommended to prevent corrosion or vibration. The copper windings and robust insulation support reliable operation with low thermal stress, contributing to reduced downtime and extended service life. Its compact footprint and efficient voltage regulation help lower energy waste and maintenance costs over the equipment’s life cycle.