Eaton S29N11S05N General-Purpose Transformer - UL Listed
Part Number: S29N11S05N
Quick Summary
Eaton S29N11S05N General-Purpose Transformer is a reliable power conversion solution for control panels and industrial equipment. This encapsulated, single-phase transformer converts 208 V primary power to a 120/240 V secondary, delivering clean, isolated power where it’s needed. Engineers face moisture, dust, and space constraints in harsh environments; this unit’s NEMA 3R enclosure and aluminum windings help withstand those conditions while maintaining performance. The product carries UL Listed safety certification and is designed for indoor-outdoor service, aligning with rigorous installation standards. With a robust 5 kVA rating in a compact footprint, it supports uptime, simplifies procurement, and enables straightforward installation for automation projects and machine control applications.
Product Information
Extended Description
S29N11S05N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 208 V, 120/240 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor, 26A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S29N11S05N
UPC
786680104428
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
113 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
Model N
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
177
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
26A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
208 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Feature: 5 kVA power rating provides ample headroom for mixed-control loads. Business Impact: Supports critical control circuits without overloading, reducing nuisance outages. Application: Suitable for machine tools and panel power feeds in automation installations. Feature: 208 V primary with 120/240 V secondary enables seamless integration with common facility voltages. Business Impact: Minimizes transformer mismatches and wiring complexity, lowering installation time. Application: Controls and sensing circuits in control panels and HVAC systems. Feature: NEMA 3R enclosure delivers indoor-outdoor protection. Business Impact: Enhances reliability in varying environmental conditions, reducing enclosure-related failures. Application: Outdoor equipment rooms, workshops, and outdoor-rated installations. Feature: Aluminum coil material improves corrosion resistance and heat dissipation. Business Impact: Extends service life and reduces maintenance costs in harsh environments. Application: Coastal facilities and dirty manufacturing floors. Feature: 60 Hz, single-phase operation with a fixed output of 120/240 V. Business Impact: Simple integration with standard electrical systems, delivering stable control power. Application: Automation controllers, relays, and sensors across industrial plants. Feature: Winding connection rated at 26 A supports reliable power transfer. Business Impact: Ensures predictable loading and minimizes voltage drop on connected loads. Application: Panel bus bars and distribution feeds. Insight: Model notes indicate reliability through regulated performance, with UL safety certification underpinning compliance and quality expectations.
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FAQs
Plan for a dedicated panel cutout with space for a 9.89 in length, 10.38 in width, and 16 in height footprint. Mount in a secure location with adequate clearance for airflow, and connect to 26 A wiring terminals. Its NEMA 3R enclosure supports indoor-outdoor installation, while UL Listed safety ensures compliance.
The S29N11S05N is a single-phase transformer rated at 5 kVA, with a 208 V primary and a 120/240 V secondary. It operates at 60 Hz, features a 115 °C rise, and provides 26 A winding connections, making it suitable for typical industrial control circuits.
Yes. Its 5 kVA rating, 208 V to 120/240 V outputs, and rugged NEMA 3R enclosure make it ideal for automation panels and HVAC control circuits exposed to challenging environments. The aluminum windings offer corrosion resistance, contributing to long-term reliability in factory floors and outdoor installations.
UL Listed indicates the transformer has been tested for safety and meets recognized safety standards for electrical devices. It supports compliance in many industrial environments, reducing vendor risk and facilitating procurement in regulated facilities, while the NEMA 3R enclosure adds environmental protection for indoor-outdoor use.
Regular inspection of enclosure integrity, wiring terminations, and mounting hardware helps prevent outages. Since the unit uses aluminum windings and a sealed encapsulated design, focus on ensuring the enclosure remains weatherproof and free of moisture. A UL-listed, rugged transformer like this reduces unexpected service and extends service life in harsh environments.