Eaton S48D11S03N Transformer - UL Listed
Part Number: S48D11S03N
Quick Summary
Eaton S48D11S03N is a general purpose encapsulated transformer for 480 V to 120/240 V panels. It addresses space constraints and harsh environments by delivering a compact, rugged solution with a NEMA 3R enclosure. UL Listed and designed for indoor-outdoor service with a 3 kVA rating and 60 Hz operation. For procurement teams, its lightweight design, aluminum coil, and straightforward field-tap options help shorten installation time and reduce lifecycle costs. In practice, control engineers rely on its rugged aluminum winding, 176 frame, and reliable performance in both HVAC and manufacturing environments.
Product Information
Extended Description
S48D11S03N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 480 V, 120/240 V, 2 at +2.5% FCAN, 2 at -2.5% FCBN, 115 °C rise, 3 KVA, indoor-outdoor, 16A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48D11S03N
UPC
786680105210
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
64 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 N
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
176
Tap size
2 at +2.5% FCAN, 2 at -2.5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
16A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Feature: General-purpose encapsulated design with aluminum coil and NEMA 3R enclosure. Business impact: provides rugged reliability in harsh environments, reducing maintenance and boosting uptime. Application: ideal for control panels and equipment rooms exposed to dust, moisture, or temperature variations. Feature: Tap changes with 2 at +2.5% FCAN and 2 at -2.5% FCBN. Impact: enables on-site voltage regulation to accommodate supply fluctuations without component swaps. Application: critical for devices sensitive to voltage tolerance in dynamic load conditions. Feature: 60 Hz single-phase operation, 480 V primary, 120/240 V secondary, 3 kVA rating. Impact: standardizes plant power distribution, delivering consistent voltage to auxiliary equipment. Application: automation panels, motor control centers, and feeder applications. Feature: Wiring connection 16A; frame 176; dimensions 8 in L × 7.69 in W × 14.25 in H; weight 64 lb. Impact: simplifies cabinet mounting and on-site routing, enabling faster installation and serviceability. Application: retrofit projects and new builds in compact spaces. Feature: Indoor-outdoor Weathershield; UL Listed. Impact: rugged, compliant operation across indoor and outdoor locations with validated safety credentials. Application: outdoor panels, equipment enclosures, and continuous-duty environments.
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FAQs
The S48D11S03N uses a NEMA 3R enclosure designed for indoor-outdoor service, providing protection against dust, rain, and corrosion. It supports standard mounting in control panels and equipment rooms using common bolt patterns and the unit’s 176 frame, aiding straightforward installation and service access.
Key specs include a 3 kVA VA rating, 60 Hz frequency, single-phase configuration, 480 V primary, and 120/240 V secondary. It also features two +2.5% FCAN and two -2.5% FCBN taps, aluminum coil construction, and a 16 A wiring connection, enabling precise voltage regulation under load.
Yes, the transformer is UL Listed, providing recognized safety certification for electrical equipment. Its NEMA 3R enclosure supports outdoor use, and the combination of UL listing and rugged enclosure helps meet industry compliance requirements for commercial and industrial installations.
Its 64 lb weight, compact dimensions (8 in L × 7.69 in W × 14.25 in H), and 16 A wiring connection simplify cabinet design and wiring routes. The unit’s aluminum coil and taps enable easy voltage adjustments on-site, while the UL listing and rugged enclosure reduce maintenance downtime and support long-term reliability in control panels.
This transformer is well-suited for power distribution in industrial control panels, equipment rooms, and outdoor enclosure applications. With a 3 kVA rating and rugged NEMA 3R enclosure, it supports reliable 480 V to 120/240 V conversions for automation systems, manufacturing lines, and packaging equipment operating in variable environments.