Eaton General purpose encapsulated transformer S48G11S51X - UL Listed
Part Number: S48G11S51X
Quick Summary
Eaton General purpose encapsulated transformer provides reliable voltage conversion for control panels and industrial equipment. Engineers often face space constraints, outdoor exposure, and the need for stable secondary voltages in compact footprints. This model carries UL Listed certification and a rugged NEMA 3R enclosure suitable for indoor-outdoor service, along with 50/60 Hz operation. The 0.5 kVA rating, aluminum winding, and dual secondary taps support efficient, safe power delivery in elevated temperature environments. For projects requiring robust, standards-aligned power transformation in tight spaces, S48G11S51X offers consistent performance, straightforward installation, and long-term reliability across industrial applications. Its compact footprint and lightweight design also simplify mounting and reduce panel depth, lowering installation time and labor costs.
Product Information
Extended Description
S48G11S51X Eaton: Eaton General purpose encapsulated transformer, EP, aluminum, NEMA 3R, 57, 50-60 Hz, single-phase, 480 V, 120/240 V, 2 at -5% FCBN, 115 °C rise, 0.5 KVA, indoor-outdoor, 2D
Product Name
Eaton General purpose encapsulated transformer
Catalog Number
S48G11S51X
UPC
786680060441
Product Length/Depth
4.91 in
Product Height
8.97 in
Product Width
4.87 in
Product Weight
16 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
Catalog Notes
50/60 Hz
Coil material
Aluminum
Design
EP
Enclosure
NEMA 3R
Frame
57
Tap size
2 at -5% FCBN
Type
General-Purpose Encapsulated Transformer
Wiring connection
2D
Frequency rating
50-60 Hz
Phase
Single-phase
Primary voltage
480 V
Secondary Voltage
120/240 V
Temperature rise
115 °C rise
Volt ampere rating
0.5 kVA
Weathershield
Indoor-Outdoor
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - S48G11S51X
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Rugged NEMA 3R enclosure provides indoor-outdoor capability. Business impact: Enables installation in challenging environments without additional enclosure costs, reducing total installed cost. Application: Outdoor control cabinets and exposed industrial locations benefit from weather-resilient operation. Feature: 0.5 kVA, 480 V primary to 120/240 V secondary at 50/60 Hz. Business impact: Supports common automation circuits with stable secondary voltage, improving equipment reliability and reducing downtime. Application: Control panels, PLCs, and motor-control centers in factories and warehouses. Feature: Aluminum coil material with 2 at -5% FCBN taps. Business impact: Lighter transformer with efficient thermal performance and flexible voltage adjustments, lowering lead times for installation and field-service costs. Application: Field modifications and new builds requiring precise voltage tuning. Feature: UL Listed certification with a compact 57 frame and footprint (4.87 in W x 4.91 in D). Business impact: Simplifies procurement, ensures compliance, and enables faster panel design with predictable mounting. Application: Retrofit projects and new panel assemblies in industrial environments. Feature: Weathershield rated Indoor-Outdoor enclosure and 115 °C rise rating. Business impact: Extends service life in harsh environments, reduces weather-related failures, and supports 24/7 operation. Application: Outdoor equipment rooms, warehouse docks, and manufacturing floors with exposure to temperature swings.
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FAQs
The S48G11S51X is designed for typical control-panel deployments with a 480 V primary and 120/240 V secondary. It uses a 2D wiring connection, single-phase operation at 50-60 Hz, and a compact footprint (4.87 x 4.91 x 8.97 inches) weighing about 16 pounds. It mounts in standard panel spaces and aligns with common bus and terminal arrangements, reducing integration time and wiring complexity.
Key specs include a 0.5 kVA (500 VA) rating, 480 V primary, 120/240 V secondary, single-phase design, 50-60 Hz operation, aluminum coil material, and -5% FCBN taps. The unit is rated for an 115 °C rise, supporting reliable performance under typical industrial load profiles while maintaining temperature margins in confined installations.
Yes. The transformer features a NEMA 3R enclosure designed for indoor-outdoor use and an indoor-outdoor weathershield rating, providing protection against rain, dust, and temperature variation. This makes it well-suited for outdoor control cabinets, loading docks, and outdoor machinery housings where weather exposure is a concern.
This Eaton transformer carries UL Listed certification, signaling compliance with recognized safety standards. It also notes 50/60 Hz operation and an industry-standard enclosure suitable for indoor-outdoor installations. For maintenance and procurement teams, UL listing simplifies qualification during audits and supplier qualification processes.
With a 0.5 kVA rating and aluminum windings, the S48G11S51X delivers efficient voltage conversion with robust thermal performance, reducing energy losses and cooling requirements. Its durable NEMA 3R enclosure minimizes weather-related maintenance, and the one-year warranty (or 18 months from shipment) provides a predictable support window, supporting total cost of ownership improvements for panel builders.