Eaton S20N14S10CU General transformer - UL Listed
Part Number: S20N14S10CU
Quick Summary
Eaton S20N14S10CU general transformer delivers reliable low-voltage isolation for control panels and automation equipment. Engineers often wrestle with transformers that overheat, fail in harsh environments, or drive maintenance costs. This unit carries CSA Certified and UL Listed approvals, plus a rugged NEMA 3R enclosure for indoor-outdoor use. With copper windings and a 10 kVA rating, it supports a wide range of loads while meeting industry standards. Designed for simple integration, its copper coil design reduces losses, while the 240/480 V primary and 110/220 V secondary outputs enable flexible deployment across facilities.
Product Information
Extended Description
S20N14S10CU Eaton: Eaton General purpose encapsulated transformer, EP, copper, NEMA 3R, 179, 60 Hz, single-phase, 240 V, 480 V, 110/220 V, None, 115 °C rise, 10 KVA, indoor-outdoor, 3M
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N14S10CU
UPC
786680103995
Product Length/Depth
10.52 in
Product Height
19 in
Product Width
13.38 in
Product Weight
219 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
CSA Certified UL Listed
Coil material
Copper
Design
EP
Enclosure
NEMA 3R
Frame
179
Tap size
None
Type
General-purpose encapsulated transformer
Wiring connection
3M
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
110/220 V
Temperature rise
115 °C rise
Volt ampere rating
10 kVA
Weathershield
Indoor-Outdoor
Copper windings minimize I2R losses, improving efficiency and heat management, which translates to lower energy costs and longer service life in demanding environments. The business impact is clearer reliability in critical automation, with fewer unscheduled outages and reduced maintenance. This transformer’s encapsulated EP design provides robust protection against dust and moisture, enabling dependable operation in dusty machine rooms or outdoor enclosures. In practice, this means easier installation and fewer field adjustments when wiring into existing panels, saving time during commissioning. The 10 kVA rating supports a broad range of loads from controls to small drives, while primary voltage options of 240 V and 480 V paired with secondary 110/220 V deliver flexible deployment across facilities. The indoor-outdoor Weathershield and 60 Hz single-phase performance align with common modernization projects, helping meet regulatory requirements with ready-to-install, compliant hardware. Compatibility with standard 3M wiring and a rugged 179-frame enclosure simplifies retrofits and spare-part planning, reducing total cost of ownership and enabling faster ROI for plant upgrades.
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FAQs
Installers should plan for a NEMA 3R rated enclosure suitable for indoor-outdoor use and ensure proper mounting in a stable, vibration-free location. The unit uses 3M wiring, so route cables with appropriate strain relief and keep within panel footprint while allowing adequate clearance for heat dissipation.
It is a single-phase transformer rated at 10 kVA with primary voltages of 240 V or 480 V and secondary voltages of 110/220 V, operating at 60 Hz. Temperature rise is 115 °C, supporting reliable operation under moderate loading.
Yes. The transformer features a NEMA 3R enclosure and indoor-outdoor capability, delivering protection against dust and moisture for outdoor installations or harsh indoor environments.
The S20N14S10CU is CSA Certified and UL Listed, ensuring compliance with widely adopted safety and performance standards for electrical equipment.
With copper windings and a robust encapsulated design, maintenance needs are typically low, reducing downtime and service costs. The 10 kVA rating supports multiple loads, enabling efficient panel upgrades and faster ROI in modernization projects.