Eaton S20N11S15CULS47 General purpose transformer - 60 Hz
Part Number: S20N11S15CULS47
Quick Summary
Eaton S20N11S15CULS47 general purpose encapsulated transformer delivers dependable voltage conversion for industrial power distribution. This copper-wound, single-phase unit is designed for indoor-outdoor use in facilities where space is limited and reliability matters. It addresses common pain points like noise, environmental exposure, and fluctuating secondary voltages by combining rugged construction with a compact footprint. Typical critical certifications for encapsulated transformers include CE and UL listings and IP-rated protection; for this model, certifications should be confirmed with the manufacturer. The design supports efficient energy management and straightforward installation, helping engineers meet compliance while reducing maintenance costs in control panels, switchgear, and service entrances.
Product Information
Extended Description
S20N11S15CULS47 Eaton: Eaton General purpose encapsulated transformer, EP, copper, 180, 60 Hz, single-phase, 240 V, 480 V, 120/240 V, None, 115 °C rise, 15 KVA, indoor-outdoor, 3A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S15CULS47
UPC
786680112478
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
215 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
Contact Manufacturer
Catalog Notes
Low sound design equivalent to 47 dB.
Coil material
Copper
Design
EP
Frame
180
Tap size
None
Type
General-purpose encapsulated transformer
Wiring connection
3A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
15 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20N11S15CULS47
Selling Policy 25-000 - Distribution and Control Products and Services
Feature copper winding → Business Impact: Higher efficiency and lower I²R losses reduce operating temperatures and extend transformer life. Application: Ideal for continuous duty in compact industrial spaces where heat buildup is a concern, enabling reliable performance in panel boards and control rooms. Long-tail keyword usage: copper wound transformer, high-efficiency transformer. Feature encapsulated EP design → Business Impact: Superior protection from dust, moisture, and handling vibrations, enabling indoor-outdoor deployment with minimal enclosure requirements. Application: Suitable for equipment rooms and outdoor-rated installations near switchgear, with easier commissioning in harsh environments. Feature 15 kVA single-phase 240/480 V to 120/240 V → Business Impact: Versatile power step-down for mid-size loads, reducing the need for multiple ancillary transformers. Application: Common in distribution panels, lighting circuits, and motor control centers. Feature low sound design (47 dB) → Business Impact: Quiet operation reduces noise-related compliance issues and improves team comfort in workspaces and near offices. Application: Plant floors, electrical rooms, or data-center-adjacent equipment. Feature indoor-outdoor weathering (Weathershield) → Business Impact: Flexible installation across varied climates lowers total installation cost and risk. Application: Outdoor-rated service entrances, sheltered plant bays, or cabinet-integrated deployments. Feature 115 °C rise and copper coil → Business Impact: Robust thermal performance supports heavier loads without premature overheating. Application: Environments with fluctuating load profiles and ambient temperatures. Feature Weight and footprint (215 lb, 13.38 in W x 19 in H x 10.52 in D) → Business Impact: Manageable mass with a compact footprint simplifies handling and alignment within equipment enclosures. Application: Installation in limited spaces or retrofit projects where footprint is critical. Warranty and documentation → Business Impact: One-year warranty from installation or 18 months from shipment provides predictable maintenance budgeting. Application: Procurement and service contracts in industrial facilities seeking reliable after-sales support.
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FAQs
Yes. This is a single-phase transformer with a 240/480 V primary and 120/240 V secondary, designed for panel boards and distribution enclosures. Its 15 kVA rating suits mid-size loads, and its compact footprint eases retrofit into existing electrical rooms. Ensure mounting clearance for the 13.38 in width and 19 in height, and verify enclosure integrity for indoor-outdoor use.
Key specs include 60 Hz operation, 15 kVA rating, copper winding, 115 °C rise, and 47 dB low-sound design. Primary voltage is 240/480 V with a secondary of 120/240 V. These factors influence efficiency, thermal performance under load, and suitability for quiet operation in office-adjacent or noise-sensitive areas.
Yes. Its 15 kVA, single-phase configuration and 240/480 V to 120/240 V output support control panels, lighting feeders, and auxiliary power for equipment in manufacturing and distribution environments. The indoor-outdoor rating provides flexibility for installations near outdoor equipment or in protected exterior spaces while maintaining regulatory compliance.
Certifications are listed as Contact Manufacturer for this Eaton transformer. In practice, verify UL/CE listings and IP protection levels with Eaton or your distributor to ensure site-specific regulatory compliance. Always refer to the Eaton specification sheet for the most current approvals and installation guidance.
The unit comes with Eaton’s Selling Policy 25-000 warranty—one year from installation or 18 months from shipment. Maintenance benefits include a robust copper-wound design with high thermal stability and relatively quiet operation. Plan for routine checks of enclosure integrity, insulation resistance, and load balance to maximize uptime and extend service life.