Eaton MV44M25F12CUEE Transformer - ABS UL Listed
Part Number: MV44M25F12CUEE
Quick Summary
MV44M25F12CUEE transformer is a general-purpose ventilated unit for marine-duty power distribution. Engineers often struggle with reliable voltage conversion and rugged, corrosion-resistant equipment in harsh maritime environments. ABS certified and UL listed with a NEMA 2 enclosure provide marine-appropriate protection, while NEMA TP-1 efficiency supports ongoing energy savings. This transformer supports 440 V primary and 220 V delta secondary, with taps at +2.5% and -2.5% to adapt to load variations. Featuring copper windings and a 112.5 kVA rating, it delivers dependable performance in tight installations. Field teams appreciate the solid enclosure, ease of inspection, and long service life that reduces maintenance cycles and downtime.
Product Information
Extended Description
MV44M25F12CUEE Eaton: Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 440V, Taps: 2 at +2.5% /4 at -2.5%, SV 220 deltaV, 115°C rise, 112.5 kVA, Copper windings, EE
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV44M25F12CUEE
UPC
786685183794
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
974 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
916A
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Marine Duty Transformer
Frequency rating
60 Hz
Primary voltage
440 V
Secondary Voltage
220 delta V
Volt ampere rating
112.5 kVA
Weathershield
WS19
Marine-duty general-purpose ventilated design minimizes heat buildup in confined marine spaces, boosting reliability in continuous 60 Hz operation. Copper windings provide low impedance and robust current handling, reducing voltage drop on long distribution runs aboard vessels. The 112.5 kVA rating supports scalable loads, while the 916A frame and NEMA 2 enclosure deliver rugged compatibility with onboard installation constraints. Tap-changing capability at +2.5% and -2.5% enables precise voltage regulation under variable loads, improving equipment performance and reducing transformer losses. The 440 V primary to 220 delta secondary compatibility matches many shipboard power systems, while two-level taps and standard 3-phase design simplify commissioning and maintenance. In practice, this means fewer trips, smoother motor starting, and better protection for sensitive electronics in switching environments. Compliance and protection—ABS certified, UL Listed, NEMA TP-1 efficient, and a NEMA 2-rated enclosure—ensures regulatory alignment and long-term asset preservation in marine settings. These certifications support procurement audits and warranty confidence while reducing risk of non-compliance penalties. The copper windings and robust enclosure also contribute to lower downtime and extended service intervals. Installation and service efficiency—dimensions (23.42 in L, 28.22 in W, 48.56 in H) and a 974 lb weight reflect a balance of power and installability on deck or in machinery rooms. Copper windings, accessible taps, and a compact footprint simplify retrofits and spare-parts planning, helping fleets meet tight schedules and budget constraints. Additionally, the design aligns with regulatory energy standards (NEMA TP-1 efficiency) for lower losses and cooler operation, reducing fuel burn on vessels with electrical load fluctuations. From a procurement perspective, ABS, UL, and a rugged marine enclosure streamline sourcing for shipyards and maintenance teams, while copper windings support reliable operation in mission-critical services.
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FAQs
For shipboard installation, plan for the NEMA 2 enclosure, three-phase 60 Hz operation, and the 112.5 kVA rating. Ensure adequate clearance for ventilation, access to the 2 tap positions, and room for the 974 lb unit. Confirm mounting on a stable deck or machinery room surface and account for onboard vibration mitigation and cabling routing to minimize heat and impedance losses.
MV44M25F12CUEE provides a 112.5 kVA rating with 440 V primary voltage and 220 V delta secondary. It operates at 60 Hz and offers taps at +2.5% and -2.5% to adjust output under varying load. The windings are copper, and the frame is 916A, with a NEMA 2 enclosure and a 3-phase configuration for marine distribution.
Yes. The transformer is designed for marine-duty applications and features ABS certification, UL listing, and a NEMA 2 enclosure suitable for harsh offshore environments. Its 3-phase 440 V to 220 V delta configuration and NEMA TP-1 efficiency help ensure reliable operation, energy efficiency, and compliance with marine safety standards.
The MV44M25F12CUEE carries ABS certification and UL listing, plus NEMA TP-1 efficiency and a NEMA 2 enclosure. These credentials aid in regulatory approvals, warranty confidence, and vendor audits, while the copper windings and robust frame provide proven reliability in continuous duty marine service.
The combination of ABS UL certification, NEMA 2 enclosure, and NEMA TP-1 efficiency supports lower maintenance frequency and energy losses. Copper windings and a rugged 916A frame reduce downtime and replacement costs, delivering favorable total cost of ownership for fleets with variable loads and long equipment lifecycles.