Eaton S48N24S05 Transformer - 60 Hz, UL Listed
Part Number: S48N24S05
Quick Summary
The Eaton S48N24S05 transformer provides reliable power step-down for general-purpose control panels and industrial equipment. Engineers often wrestle with environmental exposure, limited cabinet space, and the need for safe, UL-certified components. UL Listed certification ensures safety compliance, while the NEMA 3R enclosure supports dependable indoor-outdoor operation in challenging environments. With a 5 kVA rating and 480 V to 240 V output at 60 Hz, this unit enables compact, efficient panel designs and safer control circuits. Its aluminum windings and encapsulated design help minimize copper loss, extend service life, and reduce maintenance, delivering measurable cost savings for automation projects.
Product Information
Extended Description
S48N24S05 Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 177, 60 Hz, single-phase, 480 V, 240 V, NONE, 115 °C rise, 5 KVA, indoor-outdoor, 511AU
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48N24S05
UPC
786680087905
Product Length/Depth
9.89 in
Product Height
16 in
Product Width
10.38 in
Product Weight
115 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
511AU
Frequency rating
60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
240 V
Temperature rise
115 °C rise
Volt ampere rating
5 kVA
Weathershield
Indoor-Outdoor
Feature: Encapsulated EP design with aluminum windings → Business Impact: Enhanced protection against moisture, dust, and mechanical stress, improving reliability in demanding environments → Application: Suitable for harsh factory floors and outdoor panels where ingress protection is a concern. Feature: NEMA 3R enclosure construction → Business Impact: Weather-resistant housing reduces field servicing and downtime, lowering total cost of ownership → Application: Ideal for indoor-outdoor installations and outdoor control cabinets in variable climates. Feature: 5 kVA rating with 480 V to 240 V output at 60 Hz, single-phase → Business Impact: Flexible power supply for controls and relays, enabling compact, safer panel designs and reduced wiring complexity → Application: Control panels and machine automation where reliable step-down may be required. Feature: 115 °C temperature rise and robust isolation → Business Impact: Maintains performance under load without frequent replacements or overheating → Application: Continuous-duty applications in moderate ambient temperatures with steady demand. Feature: Wiring connection 511AU and Weathershield Indoor-Outdoor → Business Impact: Simplified installation and compatibility with common Eaton wiring practices, reducing commissioning time → Application: OEM and retrofit projects requiring quick, dependable wiring integration. Feature: UL Listed certification and compact footprint → Business Impact: Verifiable safety compliance supports procurement and installation in regulated environments, with a footprint that fits tight spaces → Application: Industrial automation, panel builders, and serviceable installations where safety and space are critical.
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FAQs
Plan for stable, level mounting on a secure surface and ensure adequate ventilation in the enclosure area. The unit weighs about 115 lb and measures 9.89 in deep, 16 in high, and 10.38 in wide. Use the 511AU wiring connection and follow UL safety guidelines to maintain rated performance and safety clearances.
The transformer delivers 5 kVA, with a 480 V primary and 240 V secondary at 60 Hz, in an aluminum-windings encapsulated design. This configuration supports compact panel layouts with reliable isolation and heat dissipation, contributing to consistent performance under load and reduced copper loss for energy efficiency.
Yes. The unit features a NEMA 3R enclosure and indoor-outdoor capabilities, designed to withstand variable environments. The encapsulated epoxy construction protects the windings, while the UL Listed certification provides safety assurance for outdoor panels, service entrances, and exposed installations common in manufacturing and utilities.
The transformer carries UL Listed certification, indicating compliance with safety standards for electrical equipment. Its enclosure supports indoor-outdoor operation via NEMA 3R protection, enhancing reliability in fluctuating climates and reducing the risk of moisture-related failures in control circuits.
The S48N24S05 is backed by Eaton’s warranty policy, typically offered as one year from installation or eighteen months from shipment, whichever occurs first. Maintenance requirements are minimal due to the encapsulated EP design and aluminum windings, contributing to lower lifetime maintenance costs and predictable long-term performance in automation systems.