Eaton S40N14S03CE Encapsulated Transformer - UL Listed
Part Number: S40N14S03CE
Quick Summary
Eaton S40N14S03CE general purpose encapsulated transformer for reliable single-phase power in control panels. Many facilities struggle with voltage compatibility and environmental exposure, making selection and installation challenging. UL Listed and CE Marked, this unit meets global safety and regulatory expectations while delivering robust performance. With aluminum windings, a 3 kVA rating, and a rugged NEMA 3R enclosure suitable for indoor-outdoor use, it supports durable operation in demanding environments. The design also simplifies procurement and maintenance, offering wide primary voltage compatibility and a compact footprint that aligns with modern electrical distribution needs for industrial automation and power management.
Product Information
Extended Description
S40N14S03CE Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 190/200/208/220 x 380/400/416/440v, taps: none, sv: 110/220v, 115°c, 3 kva, al windings, frame: 177, indoor-outdoor.
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S40N14S03CE
UPC
786680020292
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
109 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
CE Marked
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
177
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
538A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
190 V, 200 V, 208 V, 220 V, 380 V, 400 V, 416 V, 440 V
Secondary Voltage
110/220 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Feature → Business Impact → Application: The transformer uses general-purpose encapsulation to protect windings from dust, moisture, and incidental contact, reducing maintenance costs and extending service life in harsh environments. This translates to lower downtime and predictable power for critical automation systems in manufacturing lines and packaging facilities. Application: control cabinets and field installations where reliability and enclosure protection are paramount. Feature → Business Impact → Application: Aluminum coil windings provide lightweight construction with good thermal conductivity, improving energy efficiency and reducing cooling requirements in continuously operated equipment. Application: motor starters, drives, and programmable logic controller (PLC) panels within assembly lines. Feature → Business Impact → Application: 3 kVA VA rating supports common control circuit loads without oversizing, enabling cost-effective design and minimizing transformer footprint in compact switchgear. Application: small to mid-size machines and panel boards. Feature → Business Impact → Application: Wide primary voltage range of 190–440 V and a fixed secondary of 110/220 V enables seamless compatibility with varied supply voltages across facilities, reducing the need for multiple transformer variants. Application: multi-plant deployments and retrofits. Feature → Business Impact → Application: NEMA 3R enclosure rated for indoor-outdoor use protects against weather and corrosion, lowering installation risks and expanding placement options in production floors, outdoors, or conduit runs. Application: outdoor-rated power distribution near loading docks or exterior controls. Feature → Business Impact → Application: UL Listed and CE Marked certifications reassure compliance for regulated environments, facilitating audits and supplier qualification. Application: HVAC, industrial controls, and safety-critical power distribution. Feature → Business Impact → Application: Compact frame and footprint (177 frame, 9.89 in depth, 10.38 in width, 16 in height) support flexible mounting in crowded control rooms and cabinets, reducing installation labor and improving field service access. Application: small control panels and equipment enclosures in automation lines. Feature → Business Impact → Application: Warranty coverage and documented service terms help minimize risk for maintenance contracts and long-term ownership. Application: asset management and reliability programs in manufacturing plants.
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FAQs
For best results, mount the unit on a stable panel surface with adequate clearance for heat dissipation and wiring access. Use proper strain relief for the 538A wiring connection and ensure ventilation around the NEMA 3R enclosure. Follow UL/CE guidelines and secure the transformer to prevent vibration in vibrating environments.
The S40N14S03CE accepts a wide primary voltage range of 190 to 440 V at 60 Hz and provides a fixed secondary of 110/220 V. This configuration supports versatile control circuits, PLCs, and motor control gear without requiring additional voltage conversion or taps.
Yes. The enclosure is rated for indoor-outdoor use with a NEMA 3R design, offering protection against dust, rain, and incidental moisture. This makes it suitable for both indoor control rooms and outdoor installations near equipment, minimizing enclosure swaps and additional protective enclosures.
This 3 kVA single-phase transformer is ideal for control panels, automation cabinets, and small mechanical or process equipment. Its wide primary voltage range and 110/220 V secondary support common industrial loads, while the rugged enclosure and aluminum windings improve reliability in demanding production lines.
The transformer carries UL Listed and CE Marked certifications, indicating compliance with major safety standards. It comes with Eaton’s one-year warranty from installation or 18 months from shipment, whichever occurs first, aiding budgeting and maintenance planning for OEMs and end users.