Eaton MV48M12F49CUEEES Marine Transformer - UL Listed
Part Number: MV48M12F49CUEEES
Quick Summary
MV48M12F49CUEEES general purpose ventilated transformer powers marine systems by converting 480 V three-phase input to 120 V. Engineers often grapple with space constraints, moisture ingress, and the need for dependable power conversion in harsh vessel environments. UL Listed and ABS Certified, with NEMA TP-1 efficiency and electrostatic shielding, support safety, reliability, and regulatory compliance. This solution delivers robust performance with copper windings, a rugged NEMA 2 enclosure, and optimized maintenance outcomes. In practice, this translates to reduced downtime, predictable voltage stability, and lower warranty risk for fleet operators. Its copper windings and precise taps help maintain equipment performance across load swings while meeting maritime environmental demands.
Product Information
Extended Description
MV48M12F49CUEEES Eaton: Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 120V, 115°C rise, 150 kVA, Copper windings, EE, ES
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV48M12F49CUEEES
UPC
786680093623
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
1144 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, Electrostatically Shielded
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
480 V
Secondary Voltage
120 V
Volt ampere rating
150 kVA
Weathershield
WS19
Feature: 150 kVA rating provides ample headroom for shipboard loads, reducing the need for multiple transformers and simplifying maintenance. Benefit: Higher reliability and reduced downtime translate to lower operating costs. Application: Ideal for mid-size vessels and offshore equipment requiring stable 480 V to 120 V distribution. Feature: Copper windings offer superior conductivity and thermal performance. Benefit: Lower heat buildup, improved efficiency, and longer service life under demanding load conditions. Application: Onboard power systems where consistent voltage and energy efficiency matter. Feature: Tap settings of 2 at +2.5% and 4 at -2.5% enable voltage regulation across load variations. Benefit: Maintains equipment performance and protects sensitive electronics during bus voltage fluctuations. Application: Marine distribution networks with variable generator output. Feature: NEMA 2 enclosure with WS19 Weathershield provides corrosion and moisture protection. Benefit: Enhanced durability in humid or damp environments, reducing maintenance cycles. Application: Both indoor engine rooms and covered outdoor spaces on vessels. Feature: 60 Hz operation with 480 V primary and 120 V secondary supports standard marine power architectures. Benefit: Seamless integration with existing electrical plants and shore connections. Application: Fleet-wide retrofits and new-build installations. Feature: Weight and dimensions (1144 lb, 23.42 in length, 28.22 in width, 48.56 in height) combined with frame 916A support stable installation and service access. Benefit: Clear space planning and safer lifting, reducing installation time. Application: Deck, engine room, or equipment rooms with constrained footprints. Feature: Certifications and warranty include UL Listed, ABS Certified, NEMA TP-1 efficiency, and a one-year warranty (or 18 months from shipment). Benefit: Strong compliance posture, predictable maintenance budgeting, and reduced risk for operators. Application: Compliance-driven procurement for maritime and industrial projects.
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FAQs
The MV48M12F49CUEEES is ideal for shipboard power distribution on mid-size vessels, offshore platforms, and port facilities that require reliable 120 V loads from a 480 V feed. It delivers 150 kVA to support critical equipment, lighting, and control systems while maintaining voltage stability across varying loads. With copper windings and a rugged NEMA 2 enclosure, it reduces the need for multiple transformers and streamlines spare-parts logistics.
In a three-phase configuration, the transformer’s primary side connected to 480 V is stepped down to 120 V on the secondary via copper windings. The unit includes voltage taps at +2.5% and -2.5% to compensate for line voltage variations, ensuring stable output even when generator output or bus loads fluctuate. This setup supports steady operation of motors, lighting, and control circuits.
Yes. The MV48M12F49CUEEES carries UL Listed and ABS Certified marks, confirming safety and performance for marine environments. It also aligns with NEMA TP-1 efficiency standards, which governs efficiency for dry-type transformers, helping you meet regulatory and energy-use requirements on ships and offshore facilities.
The transformer weighs 1144 lb and measures 23.42 in (D) x 28.22 in (W) x 48.56 in (H) with a 916A frame. Plan for a solid foundation, appropriate clearance for cooling, and safe lifting equipment. Ensure access for inspection and routine maintenance while complying with shipboard safety and seismic guidelines where applicable.
The unit is covered by Eaton’s warranty of one year from the date of installation or eighteen months from shipment, whichever occurs first. Eaton provides standard technical literature and datasheets (including the Catalogs and Specification Sheet) to support installation, troubleshooting, and planned maintenance, helping minimize downtime and extend service life.