Eaton S29N11E25N General-Purpose Transformer - UL Listed
Part Number: S29N11E25N
Quick Summary
Eaton S29N11E25N general-purpose transformer provides reliable voltage isolation for industrial control panels. Operators often face downtime from voltage mismatches and harsh environments that stress sensitive electronics. UL Listed certification and NEMA 3R enclosure support safe, compliant installations in variable plants, while the electrostatically shielded design helps minimize EMI in crowded switchgear. Designed for indoor-outdoor applications, it stands up to temperature swings and moisture exposure when installed in protected outdoor cabinets or damp interiors. Its 60 Hz single-phase configuration with 208 V primary and 120/240 V secondary underpins reliable power delivery for automation panels, reducing spare-part inventories and unplanned downtime.
Product Information
Extended Description
S29N11E25N Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 182, 60 Hz, single-phase, 208 V, 120/240 V, NONE, 115 °C rise, 25 KVA, indoor-outdoor, 578A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S29N11E25N
UPC
786680108235
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
371 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
182
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
578A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
208 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Special features
Electrostatically shielded
Weathershield
Indoor-Outdoor
Feature 25 kVA, 60 Hz, single-phase transformer with 208 V primary and 120/240 V secondary. Business impact: Enables scalable power distribution for control systems within a single robust unit, reducing the need for multiple smaller transformers and simplifying spare-part logistics. Application: Ideal for automation panels in manufacturing lines where space is at a premium and reliable voltage conversion is essential. Feature NEMA 3R enclosure and indoor-outdoor capability. Business impact: Provides dependable protection against environmental exposure, enabling outdoor or damp-area installations without compromising safety or performance. Application: Suitable for utility rooms, outdoor cabinets, and harsh factory floors where weather resistance matters. Feature Electrostatic shielding and aluminum coil construction. Business impact: Reduces EMI interference with sensitive controls while lowering weight and easing handling during installation. Application: Beneficial for panels housing PLCs, drives, and sensors in electrically noisy environments. Feature 25 kVA rating with 208 V to 120/240 V output. Business impact: Supports load diversity and power sequencing from a single source, improving efficiency and reducing energy waste in intelligent control schemes. Application: Used in medium-duty control panels and harmonized distribution points. Feature 妻Temperature rise of 115 °C and rugged design. Business impact: Maintains reliable performance under transient loads and sustained operation, lowering maintenance overhead. Application: Suitable for continuous operation in production environments. Feature 182 frame, 578A wiring connection, and UL-listed certification. Business impact: Facilitates compatibility with Eaton’s distribution ecosystem and ensures compliance with safety standards. Application: Streamlines procurement and installation in new builds or refurbishments. Feature Weathershield and 60 Hz rating. Business impact: Delivers consistent performance in varied ambient conditions, supporting long service life and reduced lifecycle costs. Application: Ideal for mixed indoor-outdoor facilities and process automation rooms. Common objections addressed: No taps are provided (Tap size is None); for voltage-tuning applications, select models with taps or use external regulation. This unit’s encapsulated EP design minimizes leakage paths and simplifies mounting, grounding, and enclosure integrity during upgrades.
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FAQs
The S29N11E25N is designed for indoor-outdoor use with a NEMA 3R enclosure, enabling flexible mounting in cabinets or exposed environments. Ensure proper clearance for cooling and follow standard grounding practices. The 182 frame and 371 lb weight require secure mounting hardware and, if needed, mechanical support during service. Always verify input and output voltages (208 V primary, 120/240 V secondary) align with panel requirements to prevent under- or over-voltage conditions.
Key specs include a 25 kVA rating, 60 Hz frequency, single-phase configuration, primary voltage of 208 V, and secondary voltage of 120/240 V. The transformer uses an aluminum coil and provides an electrostatically shielded construction for EMI reduction. The output is designed for general-purpose distribution with a 115 °C rise rating, ensuring reliable operation under typical industrial loads.
Yes. The transformer features a NEMA 3R enclosure designed for indoor-outdoor use and a Weathershield designation that supports operation in varied environments. When installed in protected outdoor cabinets or shaded exterior locations, it maintains performance while resisting moisture and dust ingress, meeting common industrial installation needs.
The S29N11E25N is UL Listed, which confirms compliance with recognized safety standards for electrical equipment. This certification, along with the NEMA 3R enclosure rating and the encapsulated EP design, helps ensure safer installation, reduced risk of electrical faults, and smoother product acceptance in regulated facilities.
The transformer’s encapsulated aluminum-wound design, robust enclosure, and proven reliability reduce unplanned downtime and maintenance frequency. Its 25 kVA capacity supports load stability, which lowers spare-part inventory needs and extends intervals between service interventions, delivering a favorable return on investment for control-system integrations.