Eaton MV48M28F55CU Transformer ABS UL Certified
Part Number: MV48M28F55CU
Quick Summary
Eaton MV48M28F55CU is a general purpose ventilated transformer for marine power distribution on vessels and offshore platforms. Engineers frequently face installation complexity, limited space, and maintenance challenges in harsh marine environments. This unit is ABS certified for marine service and UL Listed for electrical safety, helping you meet regulatory requirements with confidence. With copper windings, a 500 kVA rating, WS35 weather shield, and a NEMA 2 enclosure, it delivers long-term reliability while simplifying spare-part planning. For marine power management and distribution systems, this transformer integrates smoothly with 480 V primary and 208Y/120 V secondary configurations, supporting uptime and cost-effective energy transfer across critical operations.
Product Information
Extended Description
MV48M28F55CU Eaton: Marine Duty Transformer, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 500 kVA, Cu windings, Frame: 919E, uses WS35
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV48M28F55CU
UPC
786680032158
Product Length/Depth
36.23 in
Product Height
75 in
Product Width
44.2 in
Product Weight
3349 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
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
208Y/120 V
Volt ampere rating
500 kVA
Weathershield
WS35
Feature → Business Impact → Application: Marine-duty, three-phase transformer with 480 V primary, 208Y/120 V secondary, 500 kVA and copper windings. This delivers superior energy efficiency and accurate voltage regulation under load swings, reducing heat buildup and maintenance needs. It is well-suited for shipboard power distribution and offshore platforms requiring reliable, continuous power delivery. Feature → Business Impact → Application: Tap settings of 2 at +2.5% FCAN and 4 at -2.5% FCBN provide voltage adjustment directly at the transformer. Benefit: tighter voltage control, minimized nuisance trips, and compatibility with variable input conditions. Application: supports propulsion drives, lighting, and critical equipment in variable-load marine systems. Feature → Business Impact → Application: WS35 weather shield paired with a NEMA 2 enclosure protects copper windings from humidity, dust, and salt spray. Result: longer service life, reduced corrosion, and lower preventive maintenance frequency. Application: outdoor or machinery-space installations on vessels and offshore installations. Feature → Business Impact → Application: Frame 919E with dimensions 36.23 in L, 75 in H, 44.2 in W and a weight of approximately 3349 lb. Benefit: easier mounting, compatibility with standard footprints, and straightforward retrofit in crowded switchgear rooms. Application: mid to large power distribution panels on ships, cranes, and shore power interfaces. Feature → Business Impact → Application: ABS certification and UL Listing provide regulatory credibility and electrical safety assurance. Benefit: smoother procurement, lower risk of compliance gaps, and better insurance alignment. Application: supports new-build and retrofit programs across marine markets.
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FAQs
MV48M28F55CU is designed for 480 V to 208Y/120 V distribution with a 500 kVA rating and copper windings. Its frame 919E and NEMA 2 enclosure simplify mounting in standard switchgear rooms, while WS35 provides exterior protection. Ensure adequate clearance for cooling and access for taps and maintenance.
Key specs include three-phase operation at 60 Hz, primary voltage of 480 V, secondary voltage of 208Y/120 V, and a VA rating of 500 kVA. Copper windings deliver low resistance losses, and the transformer offers taps: 2 at +2.5% and 4 at -2.5% to maintain voltage under load changes.
Yes. The unit is ABS Certified for marine service and UL Listed for electrical safety, ensuring compliance with maritime regulations and confidence in electrical integrity for offshore and shipboard applications.
Best for shipboard power distribution and offshore platforms requiring reliable 480 V to 208Y/120 V transformation. The WS35 weather shield and NEMA 2 enclosure protect against salt spray and dust, while the 500 kVA rating supports medium-to-large loads like propulsion drives and critical lighting.
Copper windings and robust enclosure minimize maintenance frequency and thermal stress, reducing lifecycle costs. The unit’s rugged construction, standard taps, and reliable frame enable easier spares management, faster commissioning, and improved uptime—key factors in total cost of ownership for marine power distribution.