Eaton LY48G28T03CU Marine Duty Transformer - UL Listed
Part Number: LY48G28T03CU
Quick Summary
The Eaton LY48G28T03CU marine duty encapsulated transformer powers rugged, indoor-outdoor electrical systems. Design challenges like moisture exposure, limited space, and downtime are common in marine power networks. UL Listed certification and a NEMA 3R enclosure support safe operation in harsh environments; the unit is built for reliability. Coupled with a 3 kVA rating and copper windings, it delivers efficiency and scalable power for marine facilities. For procurement teams, the UL-listed status simplifies compliance documentation and streamlines purchasing. The rugged design minimizes service calls and extends equipment life in harsh marine environments.
Product Information
Extended Description
LY48G28T03CU Eaton: Eaton Marine duty encapsulated transformer, marine duty encapsulated transformer, EPTM, copper, NEMA 3R, 201, 60 Hz, three-phase, 480 V, 208Y/120 V, 2 at -5% FCBN, 115 °C rise, 3 KVA, indoor-outdoor, 70A03L
Product Name
Eaton Marine duty encapsulated transformer
Catalog Number
LY48G28T03CU
UPC
786680031960
Product Length/Depth
8.26 in
Product Height
13.4 in
Product Width
15.93 in
Product Weight
132 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
Copper
Design
EPTM
Enclosure
NEMA 3R
Frame
201
Tap size
2 at -5% FCBN
Type
Marine Duty Encapsulated Transformer
Wiring connection
70A03L
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Volt ampere rating
3 kVA
Weathershield
Indoor-Outdoor
Feature: Marine-duty encapsulated construction with copper windings and encapsulation technology. Business Impact: Reduces corrosion and moisture ingress, increasing uptime in saltwater environments. Application: Ideal for shipboard power distribution, engine rooms, and offshore installations. The encapsulated design also improves safety and simplifies venting considerations in confined spaces. Long-tail keywords: encapsulated transformer, marine transformer, copper winding transformer. Feature: Three-phase 480 V primary to 208Y/120 V secondary with a 3 kVA rating. Business Impact: Enables efficient power distribution for standard control circuits and lighting, reducing energy waste and wiring complexity. Application: Control panels, motor starters, and panelboards in marine and industrial settings. Long-tail keywords: 480 V to 208Y/120 V transformer, 3 kVA transformer, three-phase transformer. Feature: NEMA 3R enclosure with indoor-outdoor capability (Weathershield). Business Impact: Provides reliable weather resistance and code-compliant installation across dockside and engine room environments. Application: Outdoor-mounted power centers, shore power interfaces, and outdoor equipment rooms. Long-tail keywords: NEMA 3R enclosure, indoor-outdoor transformer, weather-resistant transformer. Feature: Tap size 2 at -5% FCBN for voltage compensation. Business Impact: Maintains voltage within tolerance under load changes and supply fluctuations, reducing equipment stress and performance variability. Application: Critical control circuits and sensitive equipment in fluctuating power networks. Long-tail keywords: -5% FCBN taps, voltage compensation transformer. Feature: Dimensions and weight (8.26 in L, 15.93 in W, 13.4 in H; 132 lb) with UL Listing and 60 Hz operation. Business Impact: Facilitates planning and installation in constrained spaces, speeds integration with existing racks, and supports compliance with safety standards. Application: Retrofit projects, space-constrained panels, and new marine builds. Long-tail keywords: compact transformer footprint, 60 Hz transformer, lightweight but rugged transformer.
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FAQs
Yes. The LY48G28T03CU is a three-phase transformer with a 480 V primary and a 208Y/120 V secondary rated at 3 kVA. It is designed for marine environments and supports stable operation of control circuits and auxiliary equipment, enabling seamless integration with standard vessel electrical systems.
The transformer features a NEMA 3R enclosure suitable for indoor-outdoor use, offering weather resistance and protection against moisture and dust. For outdoor installs, ensure mounting in a vented, accessible area, provide proper clearance for cooling, and follow standard mounting practices to maintain UL and code compliance.
The LY48G28T03CU carries UL Listed certification and uses a NEMA 3R enclosure, aligning with safety and performance standards for marine and industrial applications. These certifications simplify regulatory documentation, facilitate audits, and streamline procurement by meeting common safety and reliability expectations for maritime equipment.
Copper windings provide low resistance, improving efficiency and reducing I2R losses. The -5% FCBN tap option helps regulate secondary voltage under load or input fluctuations, maintaining voltage stability for sensitive equipment and preventing undervoltage or overvoltage conditions in critical systems.
The product is covered by Eaton’s standard warranty: one year from installation or eighteen months from shipment, whichever occurs first. This warranty, combined with UL Listing and robust marine design, supports predictable maintenance planning and minimizes total cost of ownership through reduced downtime.