Eaton S48N11S03SS General-Purpose Transformer - UL Listed
Part Number: S48N11S03SS
Quick Summary
The Eaton S48N11S03SS general-purpose encapsulated transformer provides reliable 3 kVA power isolation for control panels and industrial equipment. Engineers often wrestle with bulky, moisture-prone transformers that slow system uptime and complicate service. UL Listed protection, a NEMA 3R enclosure, and a Grade 304 stainless option help guarantee safety in indoor-outdoor environments. Designed for industrial automation and power distribution, it combines rugged durability with easy installation and reliable performance. With a compact footprint and 480 V primary to 120/240 V secondary, it supports efficient panel layouts and scalable automation architectures. This combination lowers installation risk and improves serviceability in demanding industrial environments.
Product Information
Extended Description
S48N11S03SS Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 480 V, 120/240 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 524H
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48N11S03SS
UPC
786680087851
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
121 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
Grade 304 stainless steel enclosure
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
176
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524H
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
Encapsulated EP design with aluminum coil provides rugged protection against dust, moisture, and corrosion, enabling reliable operation in harsh environments and reducing maintenance costs for critical automation systems. Business impact: improved uptime and lower life-cycle cost. Application: control panels in manufacturing lines and process automation that require durable power isolation. The 3 kVA, single-phase, 60 Hz transformer ensures sufficient power for variable loads and machines, minimizing voltage drop and reconfiguration needs during line upgrades. Business impact: stable performance with fewer outages. Application: equipment racks and machine controls where consistent supply is critical. The 524H wiring and absence of taps simplify field wiring, speeding installation and reducing miswiring risk. Business impact: faster commissioning and fewer wiring mistakes. Application: retrofit projects and new builds with tight installation schedules. The compact footprint—8 in L, 7.69 in W, 14.25 in H—and a 121 lb weight enable straightforward panel mounting and serviceability. Business impact: reduced enclosure footprint and simplified maintenance. Application: compact control desks and wall-mounted panels in automation environments. The enclosure is rated for indoor-outdoor use with NEMA 3R protection and can be specified with a Grade 304 stainless steel option for extra corrosion resistance. Business impact: extended service life in challenging environments. Application: outdoor or wash-down areas in process plants. The transformer’s reliability is supported by UL Listed certification and Eaton warranty terms, offering procurement confidence and regulatory compliance. Business impact: risk mitigation and predictable cost of ownership. Application: regulated installations where traceable certification is required. Compatibility with standard panel design practices and the aluminum coil design also support energy-efficient operation and easier sourcing of parts. Application: general-purpose power distribution across multiple industrial segments.
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FAQs
Plan for a 8 in length by 7.69 in width by 14.25 in height enclosure with a 121 lb transformer. Use the 524H wiring connection, ensure proper clearance for heat dissipation, and mount within a NEMA 3R rated space suitable for indoor-outdoor use. Consider the epoxy encapsulation to protect against dust and moisture and verify UL Listed compliance during commissioning.
It is a single-phase transformer rated at 3 kVA, with a 480 V primary and 120/240 V secondary, operating at 60 Hz. The coil material is aluminum, and there is no tap changer. The enclosure is NEMA 3R for indoor-outdoor protection, and the wiring reference 524H supports straightforward panel wiring.
Yes. The S48N11S03SS is designed for indoor-outdoor use with a NEMA 3R enclosure and UL Listed certification, making it appropriate for control panels and automation systems exposed to varying environmental conditions. Optional Grade 304 stainless steel enclosure further enhances corrosion resistance in harsher outdoor settings.
The unit carries UL Listed certification, which supports electrical safety compliance for industrial equipment. The NEMA 3R enclosure rating provides protection against rain and other outdoor elements, while the Grade 304 stainless option offers superior corrosion resistance for demanding installations. These features help meet regulatory and safety requirements in many facilities.
The 3 kVA, single-phase design delivers reliable power to control panels, reducing downtime and extending service life through rugged encapsulation and protective enclosure. A durable UL Listed unit with NEMA 3R protection minimizes maintenance and replacement costs, while the Eaton warranty provides assurance during the first year of operation and beyond.