Eaton S53N11S05 General-Purpose Transformer - UL Listed
Part Number: S53N11S05
Quick Summary
Eaton S53N11S05 encapsulated transformer provides reliable low-voltage power for control panels and distributed power systems. In busy facilities, voltage fluctuations and harsh environments threaten uptime and equipment life, making a rugged, weather-resistant solution essential. UL Listed and housed in a rugged NEMA 3R enclosure, this unit handles indoor-outdoor service while the aluminum-wound coil supports efficient heat dissipation. With a 5 kVA rating and 270/315 V primary to 120/240 V secondary, it accommodates common control loads without oversizing, delivering cost-effective performance for industrial power management and distribution needs. Its compact footprint and Eaton warranty further reduce total cost of ownership and deployment time, enabling faster ROI for systems integrators and equipment OEMs.
Product Information
Extended Description
S53N11S05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 270/315 V, 120/240 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S53N11S05
UPC
786680082078
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
128 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
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
270/315 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Feature: Single-phase, 60 Hz operation with a 5 kVA rating. Benefit: Supports multiple control loads with reliable, stable voltage conversion, improving panel efficiency and reducing transformer oversizing. Application: Control panels and small power distribution networks in industrial facilities. Feature: Primary 270/315 V to secondary 120/240 V voltage ratio. Benefit: Flexible wiring options for diverse equipment, enabling standardized components across machines and plants. Application: Machine automation cabinets and distributed control systems. Feature: Aluminum coil material. Benefit: Lower weight and better heat dissipation compared to copper, contributing to easier installation and potential energy savings over the life of the device. Application: Retrofit projects and new installations where weight matters. Feature: NEMA 3R enclosure with indoor-outdoor Weathershield. Benefit: Weather-resistant protection for outdoor or semi-exposed environments, reducing enclosure-related failures and maintenance. Application: Outdoor panels, loading bays, and service entrances. Feature: 115 °C temperature rise and 60 Hz, single-phase design. Benefit: Predictable thermal performance under load, ensuring reliability in continuous operation and compatibility with common building standards. Application: Industrial controls, safety systems, and building automation. Feature: UL Listed certification and a 5 kVA rating. Benefit: Compliance assurance for regulated installations and scalable power for growing automation projects. Application: OEM equipment, electrical installations in manufacturing lines, and energy management systems.
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FAQs
The S53N11S05 is rated for a primary of 270/315 V and a secondary of 120/240 V at 60 Hz. It is intended for low-voltage control panel power; it is not specified for 277/480 VAC systems. For 277/480 VAC, consult Eaton for alternatives or a step-down solution.
This unit delivers 5 kVA (5,000 VA) at 60 Hz with a single-phase configuration. Primary voltage is 270/315 V, secondary voltage is 120/240 V, and it uses an aluminum coil. Temperature rise is rated at 115 °C, which supports reliable operation under typical industrial loads.
Ideal for control panels, automation cabinets, and distributed power systems requiring reliable low-voltage supply. Its indoor-outdoor NEMA 3R enclosure supports outdoor installations, while the 5 kVA rating accommodates multiple loads, reducing wiring complexity and panel footprint in manufacturing lines and building automation.
The transformer is UL Listed and features a NEMA 3R enclosure suitable for indoor-outdoor use. Weathershield supports varied environments, ensuring weather resistance and compliance with standard industrial installation practices.
Eaton offers a warranty per policy 25-000, typically one year from installation or eighteen months from shipment, whichever occurs first. The robust aluminum winding, rugged enclosure, and proven reliability translate to lower maintenance costs and predictable total cost of ownership across the asset life cycle.