Eaton S29N24S03 Encapsulated Transformer - UL Listed
Part Number: S29N24S03
Quick Summary
Eaton general purpose encapsulated transformer delivers reliable power conversion for industrial control panels. Engineers often face challenges with heat buildup, moisture exposure, and space constraints when integrating transformers into compact panels. UL Listed certification confirms safety and electrical reliability, while the NEMA 3R enclosure provides indoor-outdoor protection. The unit is a single-phase, 60 Hz design rated at 3 kVA with a 208 V primary and 240 V secondary, housed in an aluminum-wound coil and a 176 frame, enabling straightforward mounting in standard panels and enclosures. With these features, you gain predictable performance, simplified installation, and reduced maintenance in demanding environments, translating to improved uptime and lower lifecycle costs for power management and distribution applications.
Product Information
Extended Description
S29N24S03 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 208 V, 240 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 519O
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S29N24S03
UPC
786680080777
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
65 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
176
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
519O
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
208 V
Secondary Voltage
240 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S29N24S03
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 1) 3 kVA, 208 V to 240 V single-phase design provides scalable power for control panels, enabling compact footprint in automation racks and machine enclosures, reducing panel depth and wiring complexity. 2) Aluminum coil and 176 frame contribute to light yet robust construction, delivering lasting reliability in harsh environments while minimizing installation time and weight handling costs for installers. 3) NEMA 3R enclosure with indoor-outdoor rating offers weather resistance, allowing seamless integration into both protected indoor spaces and exterior equipment rooms, reducing enclosure upgrades and downtime. 4) UL Listed certification reinforces safety compliance and facilitates procurement across regulated industries, supporting faster approvals and lower compliance risk. 5) 60 Hz operation with a clearly defined temperature rise (115 °C) ensures predictable thermal performance, improving thermal management planning and reducing unexpected maintenance. 6) Wiring connection 519O and 7.69 in width simplify panel wiring and space planning, accelerating project timelines and enabling easier retrofit projects across existing power distribution setups.
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FAQs
The S29N24S03 uses a 176 frame with a 8 in length/depth, 14.25 in height, and 7.69 in width. It weighs 65 lb and utilizes a 519O wiring connection. Plan for standard panel mounting clearance to allow 3–4 inches of free space for cooling, with secure mounting to minimize vibration and ensure UL-listed safety compliance in indoor-outdoor environments (NEMA 3R).
This transformer is a single-phase device with 208 V primary and 240 V secondary, rated at 3 kVA (3000 VA), designed for 60 Hz operation. The combination supports typical control circuits and low-voltage distribution in industrial equipment, providing a stable power source while maintaining manageable heat dissipation in standard panels.
Yes. The S29N24S03 features an indoor-outdoor NEMA 3R-rated enclosure and UL-listed safety certification, enabling reliable operation in both protected indoor spaces and outdoor or semi-exposed equipment rooms. Its aluminum winding and robust enclosure help withstand temperature variations and moisture typical of industrial outdoor installations.
The transformer is UL Listed, ensuring recognized safety and performance standards. Its NEMA 3R enclosure supports external protection against weather, making it suitable for mixed indoor-outdoor use. This combination reduces site approval time and helps meet regulatory requirements for electrical equipment in many industrial control and power distribution applications.
Eaton provides a warranty per Selling Policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Maintenance generally involves periodic visual inspection and thermal performance monitoring. The unit’s rugged aluminum winding, weather-rated enclosure, and solid UL-listed safety profile contribute to lower field maintenance, fewer replacements, and improved total cost of ownership for power distribution in automation projects.