Eaton MV45M12F49CUEE Marine Duty Transformer - UL Listed
Part Number: MV45M12F49CUEE
Quick Summary
Eaton MV45M12F49CUEE is a general purpose ventilated transformer ideal for marine-duty power distribution. Engineers repeatedly confront space constraints, harsh environments, and strict regulatory requirements; this unit delivers rugged protection, durable copper windings, and a robust 150 kVA rating to keep vital systems running. Certified UL Listed and ABS Certified with NEMA TP-1 efficiency, it also adheres to 60 Hz marine standards. The combination of a 450 V primary and 120 V secondary supports reliable shipboard distribution while enabling straightforward installation and maintenance. For projects demanding resilience, efficiency, and compliance, this transformer offers a clear, business-ready value proposition for modern maritime power networks.
Product Information
Extended Description
MV45M12F49CUEE Eaton: Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 450V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 150 kVA, Copper windings, EE
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV45M12F49CUEE
UPC
786680057748
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1136 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 ABS Certified
Catalog Notes
NEMA TP-1 efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Marine Duty Transformer
Frequency rating
60 Hz
Primary voltage
450 V
Secondary Voltage
120 V
Volt ampere rating
150 kVA
Weathershield
WS19
The MV45M12F49CUEE is a 3-phase DT-3 marine-duty transformer with copper windings that delivers dependable power for critical loads on vessels, reducing downtime and improving system reliability. Its 450 V to 120 V configuration supports common marine electrical architectures while the 150 kVA rating provides headroom for peak loads, improving protection against voltage sag. Tap changes—2 at +2.5% and 4 at -2.5%—allow on-site voltage optimization to maintain equipment performance and extend asset life, lowering maintenance costs over time. A rugged NEMA 2 enclosure with WS19 weather shielding protects internal windings in damp or outdoor environments, enabling installation on decks or in engine rooms without sacrificing safety. UL Listed and ABS Certified, plus NEMA TP-1 efficiency, simplify approval workflows and long-term compliance. With copper windings, this transformer offers superior thermal performance and lower long-term losses, contributing to a smaller total cost of ownership. The unit’s substantial weight and footprint are offset by its proven reliability, streamlined installation, and compatibility with standard 3-phase distribution gear, ensuring a predictable project schedule and easier spare-part management for shipyards and maritime operators.
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FAQs
Yes. This is a 3-phase, DT-3 marine-duty transformer with a 450 V primary and 120 V secondary, rated at 150 kVA. It’s designed for shipboard distribution, offering rugged enclosure protection, copper windings for efficiency, and taps for voltage adjustment to support diverse marine loads.
The 150 kVA rating indicates the transformer’s maximum apparent power capacity, guiding load calculations and protective device sizing. For a marine installation, this rating supports peak downstream loads while maintaining voltage regulation. It informs motor starting, lighting, and auxiliary equipment design, helping prevent voltage sags and reducing downtime.
The MV45M12F49CUEE is UL Listed and ABS Certified, with NEMA TP-1 efficiency. These certifications simplify regulatory approvals for commercial and military marine installations, ensuring safety, reliability, and energy efficiency standards are met. They also facilitate supplier qualification and maintenance planning in regulated maritime environments.
Regular inspections of the enclosure and connections, verification of voltage taps, and periodic thermal checks are recommended. With copper windings and a rugged NEMA 2 enclosure, the unit tolerates damp environments; ensure the WS19 weather shield remains intact and that 60 Hz operation is consistent to sustain efficiency and reduce unexpected outages.
Its 450/120 V 60 Hz specification matches common marine electrical systems, and the 150 kVA rating aligns with typical vessel load profiles. With UL ABS certifications and a standardized footprint, integration with existing switchgear is streamlined, reducing engineering cycles, enabling faster commissioning, and delivering a favorable return on investment through improved reliability and reduced downtime.