Eaton S16N14S25 General transformer - UL Listed
Part Number: S16N14S25
Quick Summary
Eaton S16N14S25 General transformer provides reliable single-phase power for control panels in industrial facilities. Sizing and weather protection often complicate panel build-outs, but this encapsulated design minimizes on-site variance and speeds installation. Notable certifications include UL Listed safety certification and a NEMA 3R enclosure rating, supporting indoor-outdoor use. The unit combines a 25 kVA rating with aluminum windings and a compact 182 frame, delivering robust performance in harsh environments. By matching 220/440 V primary to 110/220 V secondary, it enables flexible low-voltage distribution while keeping system complexity low and maintenance predictable, helping engineering teams reduce downtime and ensure regulatory compliance.
Product Information
Extended Description
S16N14S25 Eaton: General-Purpose Encapsulated Transformer, EP, Single-phase, PV: 220 X 440V, Taps: None, SV: 110/220V, 115°C, 25 kVA, Aluminium windings, Frame: 182, Indoor-Outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S16N14S25
UPC
786680060465
Product Length/Depth
14.12 in
Product Height
23.31 in
Product Width
16.35 in
Product Weight
390 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
182
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
220 V, 440 V
Secondary Voltage
110/220 V
Temperature rise
115 °C rise
Volt ampere rating
25 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S16N14S25
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 25 kVA single-phase rating with 220/440 V primary and 110/220 V secondary. Benefit: Handles medium-power control circuits with a single device, reducing the footprint of power distribution in automation cabinets and lowering total cost of ownership. Application: Control panels and machine interfaces in manufacturing floors. Feature: Aluminum windings. Benefit: Improves heat dissipation and reduces weight, contributing to lower thermal stress and easier handling during installation. Application: Environments with moderate ambient heat or where weight is a consideration for serviceability. Feature: Frame 182 with dimensions near 14.12 in L, 23.31 in H, 16.35 in W. Benefit: Compact footprint fits tighter panel layouts and retrofit projects without sacrificing power capability. Application: Retrofit installs and space-constrained electrical rooms. Feature: NEMA 3R enclosure suitability (Indoor-Outdoor). Benefit: Weather-resistant protection enables outdoor or semi-outdoor mounting, reducing the need for additional enclosures. Application: Outdoor equipment bays and entrance-area installations. Feature: 60 Hz operation with 115°C rise, 3A wiring connection, and no taps. Benefit: Stable performance on standard US power feeds with predictable thermal margins and straightforward wiring. Application: Industrial automation loops and control circuits in US facilities. Feature: UL Listed certification and 25 kVA / PV: 220 x 440 V / SV: 110/220 V specification. Benefit: Independent safety certification supports compliance audits and reduces procurement risk. Application: General-purpose power distribution in new builds and upgrades.
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FAQs
Begin by verifying the panel accommodates a 25 kVA, single-phase transformer with a 182 frame. Mount the unit securely, ensuring clearances for heat dissipation. Connect primary leads to 220/440 V supply and secondary outputs to 110/220 V circuits using the 3A wiring connection. No taps are provided, so sizing for fixed voltage is essential. Use UL-listed components and maintain standard 60 Hz compatibility for reliable operation.
The S16N14S25 is a single-phase transformer rated at 25 kVA with 220/440 V primary and 110/220 V secondary. It operates at 60 Hz, incorporates aluminum windings, and features a NEMA 3R indoor-outdoor enclosure. The unit uses a 3A wiring configuration, has no taps, and is designed for stable, low-voltage distribution in control panels.
Yes. The transformer is designed for indoor-outdoor use with a NEMA 3R enclosure and Weathershield Indoor-Outdoor capability. UL Listed certification provides safety assurance, making it suitable for outdoor equipment enclosures or semi-exposed installations while maintaining reliability in industrial environments.
The primary certification is UL Listed, confirming safety compliance. Its NEMA 3R enclosure rating supports outdoor or semi-outdoor applications, reducing the need for additional protective enclosures. While CE is not listed for this SKU, UL listing and weather-rated design contribute to regulatory alignment and streamlined purchasing decisions for US-based facilities.
With a 25 kVA rating, aluminum windings, and a compact frame, it consolidates power distribution in a single unit, reducing part counts and installation time. Its indoor-outdoor capability lowers enclosure costs and maintenance intervals, while UL listing and predictable 60 Hz performance support uptime, compliance, and lower total cost of ownership in automation environments.