Eaton S20N11P16P General-Purpose Encapsulated Transformer - UL Listed
Part Number: S20N11P16P
Quick Summary
The Eaton S20N11P16P General-Purpose Encapsulated Transformer is a compact power transformer for control panels and distributed power applications. Engineers often struggle to find reliable, space-efficient transformers that perform under varied loads and in indoor-outdoor environments. This unit carries UL Listed certification and features a rugged NEMA 3R enclosure to withstand challenging conditions. With a 1.5 kVA rating, straightforward wiring, and a practical footprint, it supports scalable power distribution while helping projects stay on schedule and within budget. Designed for ease of integration, it complements standard control system architectures and efficiency-focused maintenance plans.
Product Information
Extended Description
S20N11P16P Eaton: Eaton, general purpose encapsulated transformer, ep, single-phase, pv: 240 x 480v, taps: none, sv: 120/240v, 115°c, 1.5 kva, al windings, frame: 67p, indoor-outdoor
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S20N11P16P
UPC
786680073717
Product Length/Depth
6.56 in
Product Height
13.03 in
Product Width
5.53 in
Product Weight
31 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
67P
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
3A
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
240 V, 480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
1.5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S20N11P16P
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 1.5 kVA single-phase transformer with 60 Hz operation and dual primary/secondary voltages (240/480 V in, 120/240 V out) enables flexible power distribution in machine controls and panels, reducing the need for multiple transformers and simplifying inventory. This translates to lower upfront costs and faster commissioning in industrial automation environments where space is at a premium. Application: control panels in manufacturing lines, distributed power for automation cabinets. Feature → Business Impact → Application: Aluminum coil windings offer reduced weight and corrosion resistance, improving reliability in harsh settings and easing installation in tight spaces. This supports longer service life with less maintenance, ideal for food processing or packaging lines that demand consistent performance. Application: outdoor-rated or semi-exposed installations where oxidation resistance matters. Feature → Business Impact → Application: NEMA 3R enclosure and indoor-outdoor Weathershield provide rugged protection against dust, moisture, and incidental impacts, resulting in fewer field failures and safer operation in mixed environments. Application: outdoor control housings, industrial facilities with variable climate. Feature → Business Impact → Application: 67P frame with compact dimensions (6.56 in L × 13.03 in H × 5.53 in W) and 31 lb weight enable easy mounting in tight control panel spaces, accelerate installation, and optimize cabinet layout. Application: machine tool controllers and panel builders seeking space-efficient power solutions. Feature → Business Impact → Application: UL Listed certification and a 1-year warranty deliver risk reduction for procurement and compliance teams, supporting standardization across installations and reducing maintenance planning complexity. Application: enterprise-scale automation deployments requiring traceable safety and supplier assurances.
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FAQs
For installation, mount the unit in a suitable enclosure or panel cavity that accommodates its 6.56 in length, 13.03 in height, and 5.53 in width. Use the 3A wiring connection and ensure proper clearances per NEMA 3R protection. The unit is designed for indoor-outdoor environments, minimizing cabling reroutes and simplifying field wiring.
The transformer is a single-phase 1.5 kVA unit with primary voltages of 240 V and 480 V and secondary voltages of 120 V and 240 V. It operates at 60 Hz with aluminum windings and does not include taps. This makes it compatible with standard control panels and machine tool circuits while maintaining a 115°C rise rating for robust performance.
Yes. Its 1.5 kVA rating and dual primary/secondary voltages support a wide range of control circuits and auxiliary power in panels and automation cabinets. The compact 67P frame and light 31 lb weight simplify mounting in tight spaces common in machine tools and process equipment.
The unit is UL Listed and designed with a NEMA 3R indoor-outdoor enclosure, offering environmental protection suitable for warehouse, shop floor, and exterior installations. A 1-year warranty from Eaton further substantiates reliability and ongoing support for critical automation applications.
With aluminum windings, a rugged enclosure, and a proven UL-listed designation, the transformer delivers long service life and reduced maintenance needs. Its 1.5 kVA capacity supports scalable power distribution, potentially lowering total cost of ownership by reducing part counts and simplifying spare parts strategy.