Eaton S48D11B03SS Transformer - UL Listed, NEMA 3R
Part Number: S48D11B03SS
Quick Summary
Eaton S48D11B03SS Transformer delivers reliable step-down power for industrial equipment in indoor-outdoor environments. Facilities often contend with corrosion, enclosure protection, and mounting compatibility in harsh settings. This unit carries UL Listed safety certification, a rugged NEMA 3R enclosure, and a Grade 304 stainless steel enclosure option for corrosion resistance. With a 3 kVA rating, 480 V primary and 120/240 V secondary, it supports reliable panel power while minimizing space and wiring complexity. That combination translates to lower installation costs, easier maintenance, and compliance with common industrial standards. Ideal for control rooms, motor starters, and distributed power in manufacturing lines.
Product Information
Extended Description
S48D11B03SS Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 480 V, 120/240 V, 2 at +2.5% FCAN, 2 at -2.5% FCBN, 80 °C rise, 3 KVA, indoor-outdoor, 16A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48D11B03SS
UPC
786680051876
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
115 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
177
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
80 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S48D11B03SS
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Robust enclosure and corrosion resistance protect uptime in demanding spaces. The S48D11B03SS employs a Grade 304 stainless steel catalog enclosure with a NEMA 3R rating and an aluminum coil, delivering a resilient footprint for indoor-outdoor installations. This translates to lower maintenance costs and fewer field repairs, simplifying long-term asset management while meeting industrial expectations for reliability in harsh environments. Application: ideal for outdoor-mounted power distribution and rugged control panels. Feature → Business Impact → Application: Precise voltage regulation and compatibility. With a 3 kVA rating, a 480 V primary, and a 120/240 V secondary plus taps at +2.5% FCAN and -2.5% FCBN, the unit supports stable voltages across equipment and reduces risk of under- or over-voltage conditions in dynamic production lines. Application: power distribution to panel boards and motor starters. Feature → Business Impact → Application: Compliance and safety. UL Listed certification, 16 A wiring, and an 80 °C rise rating provide confidence in electrical safety and compatibility with standard control wiring in factory floors. This helps minimize commissioning delays and aligns with regulatory expectations for industrial control gear. Application: control cabinets and safety-conscious installations. Feature → Business Impact → Application: Compact footprint and installation ease. At 9.89 in length, 16 in height, and 10.38 in width with a 115 lb weight, the transformer fits tight spaces and simplifies mounting in crowded panels. This enables faster install, reduced accessory costs, and easier service access. Application: space-constrained panels and distributed power layouts. Feature → Business Impact → Application: Warranty and support. A one-year warranty from installation or eighteen months from shipment provides procurement security and a clear maintenance window, supporting total cost of ownership reductions. Application: project planning, asset management, and lifecycle budgeting.
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FAQs
The S48D11B03SS features a Grade 304 stainless steel enclosure with a NEMA 3R rating, designed for indoor-outdoor use. This combination provides corrosion resistance and rugged protection against moisture and dust. Mounting is compatible with standard panel doors and enclosure compartments, simplifying outdoor deployments in manufacturing floors, data centers, or distribution hubs without compromising safety or access for maintenance.
This unit is a 3 kVA transformer with a 480 V primary and a 120/240 V secondary. It operates at 60 Hz and is single-phase. It also includes 2 taps at +2.5% FCAN and 2 taps at -2.5% FCBN to help fine-tune voltage under varying loading and supply conditions, ensuring stable downstream equipment operation.
Yes. With a compact footprint, robust enclosure, and 3 kVA rating, this transformer is well-suited for control panels and motor starters. The UL Listed safety certification and NEMA 3R enclosure support reliable panel power, while the 120/240 V secondary provides flexible integration with common motor starters and control logic circuits in manufacturing lines.
The transformer is UL Listed for electrical safety and reliability. It employs a NEMA 3R enclosure for indoor-outdoor protection and uses a Grade 304 stainless steel enclosure option for enhanced corrosion resistance. The unit is rated for 80 °C rise and includes a 16 A wiring connection, aligning with standard industrial protection and installation requirements.
Installation benefits include a compact 9.89 in x 10.38 in footprint, 16 A wiring, and a 115 lb weight facilitating easier handling and mounting in space-constrained panels. Maintenance advantages arise from its rugged enclosure, corrosion resistance, and UL safety certification, which reduce downtime, extend service intervals, and support predictable lifecycle budgeting for power distribution across industrial facilities.