Eaton S48N29S05 General purpose encapsulated transformer - UL Listed
Part Number: S48N29S05
Quick Summary
Eaton S48N29S05 General purpose encapsulated transformer is a compact power conversion device designed for reliable operation in industrial environments and both indoor and outdoor applications. When panel downtime or voltage mismatches threaten process continuity, this transformer helps minimize risk with a rugged enclosure and proven isolation. Key certifications and standards include UL Listed safety approval and a NEMA 3R design for durable, weather-resistant service, ensuring compliance in harsh conditions. The product also supports standard 480 V to 208 V distribution and 60 Hz operation, aligning with common industrial infrastructures. This combination delivers predictable performance for control panels, machine enclosures, and automation cabinets while maintaining cost-effective maintenance and replacement cycles.
Product Information
Extended Description
S48N29S05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 480 V, 208 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor, 536B
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48N29S05
UPC
786680068249
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
120 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
177
Tap size
None
Type
General-Purpose Encapsulated Transformer
Wiring connection
536B
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
208 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Feature: Encapsulated EP construction with aluminum windings. Business Impact: Superior moisture, dust, and contaminant resistance translates to lower failure rates in harsh environments. Application: Ideal for equipment rooms, outdoor installations, and conveyor controls where protection reduces downtime. Feature: 5 kVA, single-phase, 480 V to 208 V with 60 Hz frequency. Business Impact: Provides reliable secondary voltage for control circuits without oversizing, enabling compact, cost-efficient panels. Application: Machine tools, robotics, and machine-control panels requiring stable 208 V downstream from 480 V supply. Feature: NEMA 3R enclosure. Business Impact: Weather-resistant housing supports indoor-outdoor installation, extending service life and simplifying site compliance. Application: Outdoor cabinets and exposed industrial environments where ingress protection matters. Feature: Aluminum coil material and 536B wiring connection. Business Impact: Corrosion resistance and robust wiring simplify maintenance and improve thermal performance. Application: Routine service in high-humidity or dusty environments with straightforward replacement paths. Feature: 115 °C rise and UL Listed certification. Business Impact: Higher thermal tolerance reduces derating in hot facilities; UL Listing provides safety compliance for panel builders and end users. Application: Commercial and light industrial automation projects where formal certification expedites procurement and approval processes.
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FAQs
Ensure the unit is mounted in a compliant enclosure or panel with proper clearance for the NEMA 3R rating. Allow 9.89 in depth, 16 in height, and 10.38 in width space for installation; connect primary to 480 V and secondary to 208 V using the 536B wiring connector. Verify UL Listing compliance in your control cabinet and observe the 5 kVA rating to prevent under- or over-loading the downstream circuits.
The S48N29S05 is a single-phase transformer rated at 5 kVA, operating at 60 Hz with a primary voltage of 480 V and a secondary voltage of 208 V. It features aluminum coil windings and is designed for an 115 °C rise, suitable for indoor-outdoor environments under NEMA 3R protection.
Yes. The encapsulated EP construction with a NEMA 3R enclosure provides robust protection against dust, moisture, and outdoor exposure, making it well-suited for control panels, automation cabinets, and equipment rooms subject to challenging conditions.
The transformer carries UL Listed certification, signaling compliance with recognized safety standards for electrical equipment. The NEMA 3R enclosure further confirms suitability for indoor-outdoor use, helping ensure regulatory adherence and smoother approvals in building and facility environments.
The unit is backed by Eaton’s warranty policy: 25-000, one year from installation or 18 months from shipment, whichever occurs first. This short warranty window emphasizes the importance of routine inspection, clean connections, and monitoring for 536B wiring integrity to maintain reliability and minimize downtime.