Eaton S10N04A03N Buck-Boost Transformer - UL Listed
Part Number: S10N04A03N
Quick Summary
The Eaton S10N04A03N is a general purpose encapsulated transformer used to buck-boost 120/240 V input to 12/24 V outputs for control circuits. When control panels face voltage fluctuations or mismatched supply, reliability and safety suffer. This unit carries UL Listed safety certification and a rugged NEMA 3R enclosure, enabling indoor-outdoor installation in harsh environments. Designed for plug-and-play compatibility with standard industrial wiring and aluminum coil construction for durability, it supports efficient, compliant power delivery. Engineers appreciate the 3 kVA rating for moderate loads, while the 60 Hz, single-phase design keeps integration straightforward with existing facilities. This combination supports faster deployment and predictable maintenance.
Product Information
Extended Description
S10N04A03N Eaton: Eaton General purpose encapsulated transformer, buck-boost general-purpose encapsulated transformer, EP, aluminum, NEMA 3R, 176, 60 Hz, single-phase, 120 V, 240 V, 12/24 V, NONE, 115 °C rise, 3 KVA, indoor-outdoor, 509A
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S10N04A03N
UPC
786680103384
Product Length/Depth
8 in
Product Height
14.25 in
Product Width
7.69 in
Product Weight
64 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
176
Tap size
None
Type
Buck-Boost General-Purpose Encapsulated Transformer
Wiring connection
509A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
120 V, 240 V
Secondary Voltage
12/24 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Encapsulated construction protects windings from dust and moisture, reducing maintenance costs while delivering dependable performance in harsh environments. The buck-boost topology provides voltage regulation to match equipment tolerances, lowering trip risk and improving automation reliability in control panels. A NEMA 3R enclosure supports indoor-outdoor installation, expanding mounting options in outdoor equipment houses and weather-protected control rooms. Aluminum coil windings paired with the EP design deliver corrosion resistance and lighter weight, simplifying installation and service. The 115 °C rise indicates robust insulation suitable for continuous duty under varied ambient conditions, supporting uptime and compliance. UL Listed safety certification and a one-year Eaton warranty reinforce risk mitigation for procurement and compliance teams.
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FAQs
Installation should follow standard electrical practices for single-phase, 120/240 V inputs and 12/24 V outputs. Mount the unit in a compliant enclosure, connect to the 509A wiring terminals per Eaton wiring diagrams, ensure proper clearances, and secure termination. Verify insulation and labeling before energizing. If field wiring involves long runs or shielding, use appropriate strain relief and grounding per NEC guidelines.
The transformer delivers 3 kVA at 60 Hz in a single-phase configuration with primary voltages of 120 V and 240 V and secondary voltages of 12/24 V. It features an aluminum coil, 176 frame, NEMA 3R enclosure, and a temperature rise of 115 °C, with UL Listed safety certification. The unit is designed for indoor-outdoor operation and rugged industrial use.
Yes. The NEMA 3R enclosure rating provides weather resistance suitable for indoor-outdoor installations. The aluminum winding and encapsulated construction offer protection against dust and moisture, making it suitable for outdoor control panels and equipment rooms when properly mounted. Ensure adequate ventilation and clearance per installation guidelines to maintain performance.
Eaton provides a one-year warranty from installation or eighteen months from shipment, per policy 25-000. For service, contact Eaton's technical support or your distributor; keep the model S10N04A03N and UPC handy to verify compatibility and expedite replacements. Field teams can refer to datasheets for mounting and wiring specifics. Our docs cover installation steps, terminal assignments, and troubleshooting.
Buck-boost transformers compensate voltage fluctuations in supply lines, reducing nuisance trips and stabilizing control logic. The S10N04A03N offers a compact, rugged solution with a 3 kVA rating, aluminum coil, and indoor-outdoor NEMA 3R enclosure. It supports 120/240 V inputs to 12/24 V outputs, helping meet tolerance specs in manufacturing lines.