Eaton MV48M28F55CUEE General transformer - ABS UL Listed
Part Number: MV48M28F55CUEE
Quick Summary
Eaton MV48M28F55CUEE is a general purpose ventilated transformer for marine-duty power distribution on 480 V systems. Maintenance teams confront downtime and costly replacements when equipment fails in harsh sea environments, where enclosure protection and reliability are paramount. This unit carries ABS Certified and UL Listed marks, with NEMA TP-1 efficiency, reinforcing regulatory compliance and predictable performance. Coupled with a 500 kVA rating, copper windings, and a robust enclosure, it delivers steady, efficient power and simplifies integration with shipboard power systems for offshore facilities and demanding industrial installations.
Product Information
Extended Description
MV48M28F55CUEE Eaton: Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 115°C rise, 500 kVA, Copper windings, EE
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV48M28F55CUEE
UPC
786680043512
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3681 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
ABS Certified UL Listed
Catalog Notes
NEMA TP-1 efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
919E
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Marine Duty Transformer
Frequency rating
60 Hz
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Volt ampere rating
500 kVA
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - MV48M28F55CUEE
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 500 kVA three-phase rating. Business impact: supports heavy onboard loads with reduced need for parallel units, lowering lifecycle costs and space requirements. Application: shipboard power rooms and offshore platforms where peak motor loads occur. Feature: 480 V primary / 208Y/120 V secondary with taps at +2.5% and -2.5%. Business impact: enables tight voltage matching to distribution panels and critical equipment, minimizing voltage drop and equipment wear. Application: general distribution in marine electrical systems and industrial installations with mixed loads. Feature: Copper windings and 115°C rise at 60 Hz. Business impact: high thermal resilience and durable performance in hot, humid environments, improving reliability and service life. Application: heavy-duty marine and industrial transformers exposed to sustained loading. Feature: NEMA 2 enclosure, frame 919E, dimensions and weight (36.23 in L × 75 in H × 44.2 in W; 3681 lb). Business impact: rugged protection and straightforward installation on protected floors or secured platforms, with compatibility to standard foundation layouts. Application: installation in engine rooms or sheltered equipment spaces. Feature: Certifications and efficiency—ABS Certified, UL Listed, NEMA TP-1 efficient; 115°C rise. Business impact: regulatory compliance, energy efficiency, and lower operating costs over the lifecycle. Application: procurement and operation in regulated environments and energy-conscious facilities.
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FAQs
When installing the MV48M28F55CUEE, ensure a secure foundation capable of supporting a 3681 lb unit. Provide ventilation and clearance for the 75 inch height, 36.23 inch length, and 44.2 inch width. Verify indoor, protected locations suitable for a NEMA 2 enclosure and plan cable entries to minimize bending stresses on copper windings and taps.
The transformer is a 500 kVA, three-phase unit with a 480 V primary and a 208Y/120 V secondary. It operates at 60 Hz and provides reliable voltage conversion for marine and industrial electrical systems, supporting peak loads and stable distribution across panels.
The MV48M28F55CUEE includes taps at +2.5% and -2.5% to fine-tune secondary voltage against supply variations. Use the +2.5% taps to compensate for voltage drop in long feeders or heavy loads, and -2.5% taps to correct over-voltage conditions or during startup transients, ensuring equipment stays within tolerance without oversizing.
This transformer is ABS Certified and UL Listed, with NEMA TP-1 efficiency. The enclosure provides protection suitable for indoor marine environments (NEMA 2). The combination of certifications and efficiency standards supports regulatory compliance, safer operation, and lower energy losses in continuous-duty marine and industrial applications.
Copper windings and robust construction yield long service life with reduced insulation degradation. The 115°C rise capability supports sustained performance in hot spaces, lowering maintenance frequency. The unit’s efficiency and reliability contribute to lower energy costs and reduced downtime, delivering a favorable total cost of ownership and improved return on investment for high-demand marine and offshore systems.