Eaton MV48M28T22CU Marine Duty Transformer - ABS UL Listed
Part Number: MV48M28T22CU
Quick Summary
MV48M28T22CU is a general purpose ventilated transformer designed for three-phase power conversion in marine and industrial settings. Engineers often contend with space constraints, variable voltages, and exposure to corrosive environments that threaten uptime. With ABS Certified and UL Listed certifications, plus a NEMA 2 enclosure and WS34 weather shield, it meets stringent maritime and safety standards. This combination supports fast installation, predictable performance, and long service life, while copper windings and precise taps help optimize efficiency and reduce operating costs. Its 225 kVA rating and 480 V primary enable scalable power distribution for critical systems on ships or offshore facilities.
Product Information
Extended Description
MV48M28T22CU Eaton: Eaton Marine Duty Transformer, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 225 kVA, Cu windings, Frame: 917, uses WS34
Product Name
Eaton General purpose ventilated transformer
Catalog Number
MV48M28T22CU
UPC
786680032226
Product Length/Depth
30.68 in
Product Height
56.17 in
Product Width
31.44 in
Product Weight
1422 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
917
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Marine Duty Transformer
Frequency rating
60 Hz
Kva Rating
225 kVA
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Weathershield
WS34
225 kVA rating at 60 Hz enables efficient handling of large vessel and industrial loads, reducing the number of transformers required and lowering capital spend. With a three-phase configuration, voltage balance improves motor performance and protection coordination, improving overall plant reliability. This makes MV48M28T22CU well suited for main distribution on ships and offshore facilities where uptime is mission-critical. Primary 480 V to secondary 208Y/120 V supports common equipment suites, from electric motors to control panels. Copper windings offer high conductivity and durability under dynamic marine loads, while a robust frame 917 and a NEMA 2 enclosure simplify mounting and service access. The WS34 weather shield adds environmental protection for deck or exposed locations, extending service intervals. Voltage taps at +2.5% FCAN and -2.5% FCBN provide fine-tuning under load, reducing downstream voltage stress and improving equipment life. This capability supports mission-critical loads by maintaining stable secondary voltages during generator or input fluctuations. Weight and enclosure specifics support installation planning: frame 917, copper coils, weight around 1422 lb, and a NEMA 2 enclosure suitable for indoor and protected outdoor spaces. Weathershield WS34 protects against corrosion and moisture, lowering maintenance overhead and extending life in demanding environments. Warranty and certifications influence total cost of ownership: ABS Certified and UL Listed provide regulatory alignment for maritime and industrial projects, while a one-year (or 18 months from shipment) warranty reduces initial risk. Coupled with standard documentation, this transformer simplifies procurement and compliance for electrical distribution upgrades.
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FAQs
MV48M28T22CU uses a 480 V primary and 208Y/120 V secondary in a three-phase, 60 Hz configuration, aligning with common vessel switchgear and distribution panels. Its NEMA 2 enclosure and WS34 weather shield support coastal and deck environments, while copper windings and frame 917 enhance durability and serviceability for shipboard applications.
Key specs include a 225 kVA rating, 60 Hz frequency, 480 V primary, 208Y/120 V secondary, copper windings, frame 917, and WS34 weather shield within a NEMA 2 enclosure. The unit also features taps at +2.5% FCAN and -2.5% FCBN for voltage fine-tuning, suitable for dependable operation in variable power conditions.
Yes. The combination of a NEMA 2 enclosure, WS34 weather shield, and marine duty designation makes MV48M28T22CU appropriate for deck-mounted and exposed environments on ships and offshore facilities, while ABS UL certification supports maritime regulatory compliance and long-term reliability in challenging conditions.
The transformer is ABS Certified and UL Listed, signaling conformity with maritime and electrical safety standards. These certifications simplify procurement for regulated projects, support warranty considerations, and help ensure safe operation in marine and industrial installations.
With copper windings and a robust WS34 shield, maintenance intervals are extended due to improved thermal performance and environmental protection. The 225 kVA rating enables scalable power distribution, potentially reducing capital costs and equipment counts, while the warranty (one year from installation or 18 months from shipment) reduces initial risk during deployment.