Eaton S35N11S05 Transformer - UL Listed, NEMA 3R
Part Number: S35N11S05
Quick Summary
Eaton S35N11S05 Transformer is a general-purpose encapsulated transformer for robust power distribution in industrial facilities. Engineers often face weather exposure, downtime, and space constraints; this unit's NEMA 3R enclosure and indoor-outdoor readiness help minimize outages and maintenance. The UL Listed safety certification, 60 Hz single-phase operation, and a 5 kVA rating deliver reliable performance in control panels, machine rooms, and remote substations. These features, along with aluminum coil construction and rugged enclosure, support dependable operation in harsh environments while simplifying installation, serviceability, and lifecycle costs. For project teams, this transformer integrates smoothly with existing Eaton accessories and service networks to streamline procurement and ongoing support.
Product Information
Extended Description
S35N11S05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 315 V, 120/240 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor, 524X
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S35N11S05
UPC
786680082054
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
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
177
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
524X
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
315 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: General-purpose encapsulated transformer with a robust EP design reduces field failures and maintenance needs, improving uptime in panel and equipment rooms. This translates to lower total cost of ownership and simpler spare-part planning for mid-size industrial installations. Feature → Interior-environment resilience → Application: NEMA 3R enclosure supports reliable indoor-outdoor operation, protecting wind-driven dust, moisture, and temperature swings; essential for outdoor substations, process lines near loading docks, or exposed utility spaces. Feature → Aluminum coil material → Business Impact: Lighter weight and corrosion resistance lower handling effort during installation and maintenance while maintaining electrical performance in corrosive environments. Application: Retrofit projects and new installations where serviceability matters in tight spaces. Feature → Primary 315 V / Secondary 120/240 V configuration → Application: Flexible voltage conversion for numerous motor controllers, controls cabinets, and small distribution panels, enabling standardization across facilities without custom windings. Feature → 60 Hz, single-phase, 5 kVA rating → Business Impact: Predictable performance with consistent voltage transformation for mission-critical loads; helps meet uptime targets in machine rooms and control panels. Feature → UL Listed certification and warranty support → Application: Compliance-ready equipment with a defined service window and access to Eaton support for end-to-end procurement and after-sales service.
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FAQs
The S35N11S05 uses Eaton's standard 524X wiring connection and has a frame size of 177 with no taps. Installers typically mount in panels or switchgear enclosures suitable for indoor-outdoor use. Refer to the Eaton catalog for recommended mounting kits and clearances, and plan wiring routes to minimize voltage drop and ensure proper ventilation.
Key specs include 60 Hz frequency, single-phase operation, 315 V primary, 120/240 V secondary, and a 5 kVA VA rating. The coil material is aluminum, with a 115 °C rise temperature rating. The enclosure is NEMA 3R, designed for indoor-outdoor environments, and the unit is UL Listed for safety compliance.
Yes. The transformer features a NEMA 3R enclosure and indoor-outdoor routing, making it suitable for outdoor substations and exposed installation sites. UL Listed certification further supports compliance with safety standards, while the aluminum winding and robust enclosure enhance durability in challenging conditions.
The S35N11S05 carries UL Listed certification, indicating compliance with recognized safety standards for electrical equipment. Its rugged NEMA 3R enclosure supports reliable operation in diverse environments. Always confirm local code requirements and integration with your facility’s electrical standards during project planning.
Warranty follows Eaton policy 25-000: one year from the date of installation or eighteen months from the date of shipment, whichever occurs first. After purchase, Eaton’s service network provides ongoing support and access to technical resources for maintenance planning and troubleshooting.