Eaton S20N11S07SS Transformer - UL Listed

Part Number: S20N11S07SS
Manufacturer
Eaton
Part number
S20N11S07SS

Quick Summary

Eaton S20N11S07SS Transformer is a general purpose encapsulated transformer designed for reliable power distribution in industrial equipment and control panels. This compact, single-phase unit helps engineers overcome space constraints while delivering steady voltage conversion. With a 7.5 kVA rating and aluminum windings, it supports robust operation in challenging environments. The enclosure is a NEMA 3R design, rated for indoor-outdoor service, and it carries UL Listed certification to meet critical safety standards. For maintenance teams and procurement managers, this transformer offers a predictable long-term performance, easy sourcing, and broad compatibility with standard low-voltage circuits. In short, it combines rugged construction with straightforward integration for enhanced uptime and project cost efficiency.

Product Information

Extended Description

S20N11S07SS Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 240 x 480v, taps: none, sv: 120/240v, 115°c, 7.5 kva, al windings, frame: 178, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11S07SS
UPC
786680000096
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
123 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
178
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
7.5 kVA
Weathershield
Indoor-Outdoor
7.5 kVA capability and single-phase operation provide scalable power for mid-size loads in industrial settings, reducing the need for multiple smaller transformers and improving overall efficiency. Business impact: simplified footprint, lower capital cost per capacity, and predictable thermal performance. Application: controls cabinets and machine feeders where reliable 120/240 V secondary duty from a 240/480 V primary is required. The EP encapsulated design with aluminum windings enhances thermal management and corrosion resistance, meaning longer service intervals and lower maintenance costs. Application: harsh environments, outdoor equipment, and damp plant areas where contamination is a risk. NEMA 3R enclosure with indoor-outdoor suitability delivers weather resistance and rapid, code-compliant installation for plants with mixed indoor and exterior equipment. Business impact: faster deployment, safer installations, and reduced retrofit risk. Application: industrial facilities with frequent environmental changes and space constraints. Frame 178, lightweight mounting options, and a compact footprint support flexible installation in tight control panels and switchgear assemblies. Business impact: easier retrofits and lower relocation costs. Temperature rise rated at 115 °C provides a comfortable margin for continuous operation and overload tolerance, supporting steady performance under peak loads. Application: continuous-running equipment and critical automation loops. Warranty and UL Listed certification provide compliance assurance and risk reduction for procurement and engineering teams, while the 240/480 V to 120/240 V transformation path is compatible with common plant power architectures. Application: utility and machine builders seeking standardization and reliable procurement. Overall, the S20N11S07SS combines rugged build quality with straightforward installation and maintenance advantages for improved uptime and return on investment.

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FAQs

The S20N11S07SS is designed for 240 or 480 V primary input and provides a 120/240 V secondary output. It operates at 60 Hz and is suitable for single-phase power distribution in control panels and equipment rooms. Its UL Listed status helps ensure compliance with electrical codes, reducing procurement risk.
Key specs include a 7.5 kVA rating, single-phase operation, primary voltages of 240 V and 480 V, secondary voltages of 120/240 V, 60 Hz frequency, and an aluminum windings design with EP encapsulation. It uses a 3A wiring connection and has a temperature rise of 115 °C, supporting reliable continuous operation.
Yes, the transformer is UL Listed. It uses a NEMA 3R enclosure suitable for indoor-outdoor installation, and its indoor-outdoor capability aligns with environments requiring weather resistance and rugged construction.
Ideal for machine control panels, general power distribution in manufacturing, processing lines, and outdoor equipment enclosures. Its rugged enclosure and standard 120/240 V secondary make it compatible with common automation systems and motor control applications, enhancing uptime in a range of industrial settings.
Choose a location with adequate ventilation near the panel, mount the 178 frame transformer in a compliant enclosure, and leverage the NEMA 3R rating for outdoor or semi-enclosed spaces. The encapsulated design reduces dust ingress and maintenance, while UL Listing and warranty support long-term reliability and predictable TCO.