Eaton MV48M47F12CUEE ventilated transformer - UL Listed
Part Number: MV48M47F12CUEE
Quick Summary
Eaton MV48M47F12CUEE ventilated transformer powers marine-duty power systems by stepping 480 V to 480Y/277 V for demanding vessels and offshore equipment. This solution addresses common pain points such as heat buildup, unexpected downtime, and compliance gaps in harsh environments. It carries UL Listed certification, a NEMA TP-1 efficient designation, and a rugged NEMA 2 enclosure to ensure reliability and safety where corrosion, dust, and moisture are present. With copper windings and a controlled 115°C rise, it minimizes thermal stress on feeders while boosting service continuity. The 2 at +2.5% and 4 at -2.5% taps enable on-site voltage tailoring, and WS19 weather shielding supports outdoor installations. This transformer supports marine and industrial distribution goals for scalable, compliant power networks.
Product Information
Extended Description
MV48M47F12CUEE Eaton: Eaton General purpose ventilated transformer, Marine-duty, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 480Y/277V, 115°C rise, 112.5 kVA, Copper windings, EE
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV48M47F12CUEE
UPC
786680102523
Product Length/Depth
23.42 in
Product Height
48.56 in
Product Width
28.22 in
Product Weight
983 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
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 ventilated transformer
Wiring connection
280B12M
Frequency rating
60 Hz
Primary voltage
480 V
Secondary Voltage
480 Y/277 V
Temperature rise
115 °C rise
Volt ampere rating
112.5 kVA
Weathershield
WS19
112.5 kVA rating delivers robust load handling for three-phase distribution in constrained spaces, with 60 Hz operation and copper windings for high efficiency and durability, reducing energy waste and heat generation in critical systems. The dual tap arrangement (2 at +2.5% and 4 at -2.5%) provides on-site voltage optimization to compensate for line drop and varying input conditions, improving equipment performance and extending component life. A NEMA 2 enclosure paired with WS19 weather shielding protects the windings and terminals from moisture, dust, and corrosion, enabling reliable indoor or outdoor installations in marine environments. Copper windings offer superior thermal conductivity and lower impedance, contributing to improved fault handling and faster recovery after transients. The UL Listed and NEMA TP-1 efficient certifications reassure compliance and uptime, while the compact footprint supports space-constrained installations in vessels and industrial plants. Compatibility with 280B12M wiring and marine-duty design makes it a versatile fit for offshore power distribution and control systems.
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FAQs
Yes. The MV48M47F12CUEE has a primary voltage of 480 V and a secondary voltage of 480 Y/277 V, designed for three-phase marine-duty power distribution. It operates at 60 Hz and delivers 112.5 kVA, suitable for offshore and shipboard loads.
It uses a NEMA 2 enclosure with WS19 weather shielding, suitable for indoors or sheltered outdoor installations. Ensure proper mounting, adequate ventilation, and clearances per electrical codes. Outdoor use should account for moisture and corrosion considerations common in marine environments.
The unit is UL Listed and noted as NEMA TP-1 efficient, which supports regulatory compliance, safer operation, and lower energy losses. These certifications are important for marine and industrial facilities seeking certified, reliable power distribution solutions.
Schedule periodic thermal and electrical checks, verify tap positions and settings, inspect the enclosure and weather shield for damage, and confirm copper windings show no signs of insulation degradation. Regular maintenance helps sustain voltage accuracy, reduce losses, and prolong transformer life.
Ideal for marine power distribution on ships and offshore platforms, as well as industrial facilities requiring stable 480 V to 480Y/277 V transformation. Its marine-duty design, copper windings, and robust enclosure support reliable operation in demanding environments with space constraints.