{"id":2274,"date":"2026-01-10T11:29:11","date_gmt":"2026-01-10T11:29:11","guid":{"rendered":"https:\/\/powernextransformer.com\/?post_type=product&p=2274"},"modified":"2026-01-10T11:36:17","modified_gmt":"2026-01-10T11:36:17","slug":"50-kva-three-phase-three-winding-dry-type-marine-isolation-transformer-for-shipboard-offshore-power-distribution-systems","status":"publish","type":"product","link":"https:\/\/powernextransformer.com\/zh\/manufacturer\/50-kva-three-phase-three-winding-dry-type-marine-isolation-transformer-for-shipboard-offshore-power-distribution-systems\/","title":{"rendered":"50 kVA Three-Phase Three-Winding Dry-Type Marine Isolation Transformer for Shipboard & Offshore Power Distribution Systems"},"content":{"rendered":"

Overview of 50Kva Marine Isolation Transformer<\/strong><\/h2>\n

The PowerNex 50 kVA three-phase three-winding dry-type marine isolation transformer<\/a> is a highly reliable and efficient solution designed for shipboard and offshore electrical systems. This 50 kVA marine isolation transformer provides safe, stable, and high-quality power, making it ideal for commercial vessels, naval ships, yachts, offshore platforms, and other marine industrial applications. It ensures consistent voltage, reduces electrical noise, and protects onboard systems from overloads, short circuits, and electrical faults.<\/p>\n

With its dry-type, three-winding design, this 50 kVA marine isolation transformer eliminates the need for oil insulation, significantly reducing maintenance requirements while enhancing onboard safety. Its flexible three-winding construction allows multiple output voltages, supporting a wide range of shipboard and offshore power configurations. This transformer is engineered to withstand the harshest maritime conditions, including high humidity, salt spray, and vibration.<\/p>\n

As a leading manufacturer, supplier, and wholesaler in China, PowerNex provides global sales and supports custom capacities ranging from 10 kVA to 500 kVA, allowing full adaptability for specialized vessel and offshore power systems. Our marine transformers are exported worldwide to major markets including the USA, Canada, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, UAE, Saudi Arabia, Russia, Germany, France, South Africa, Mexico, New Zealand, and many more, ensuring reliable supply chains for industrial and maritime clients.<\/p>\n

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Technical Specifications of Marine Isolation Transformer<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification \/ Range<\/th>\n<\/tr>\n
Rated Power<\/td>\n50 kVA (customizable 10\u2013500 kVA)<\/td>\n<\/tr>\n
Phase<\/td>\nThree-Phase<\/td>\n<\/tr>\n
Winding Type<\/td>\nTriple Winding<\/td>\n<\/tr>\n
Transformer Type<\/td>\nDry-Type \/ Isolation Transformer<\/td>\n<\/tr>\n
Frequency<\/td>\n50\/60 Hz<\/td>\n<\/tr>\n
Primary Voltage<\/td>\n380V, 400V, 415V, 440V (customizable)<\/td>\n<\/tr>\n
Secondary Voltage<\/td>\n220V, 230V, 240V, 380V, 400V (customizable)<\/td>\n<\/tr>\n
Insulation Class<\/td>\nF Class (Temperature Rise \u2264150\u00b0C)<\/td>\n<\/tr>\n
Cooling Method<\/td>\nNatural Air Cooling (AN)<\/td>\n<\/tr>\n
Efficiency<\/td>\n>98% at full load<\/td>\n<\/tr>\n
Voltage Regulation<\/td>\n\u22641.5%<\/td>\n<\/tr>\n
Impedance Voltage<\/td>\n4\u20136%<\/td>\n<\/tr>\n
Noise Level<\/td>\n<50 dB at 1m distance<\/td>\n<\/tr>\n
Dielectric Test Voltage<\/td>\n3.0 kV \/ 50 Hz \/ 1 min<\/td>\n<\/tr>\n
Ambient Temperature<\/td>\n-25\u00b0C to +50\u00b0C<\/td>\n<\/tr>\n
Mounting<\/td>\nFloor-mounted, optional marine brackets<\/td>\n<\/tr>\n
Protection Class<\/td>\nIP23 standard; IP44\/IP54 optional<\/td>\n<\/tr>\n
Cooling Medium<\/td>\nDry Air<\/td>\n<\/tr>\n
Standards Compliance<\/td>\nIEC 60076, IEEE C57.12, ISO 9001, Marine Class Societies<\/td>\n<\/tr>\n
Warranty<\/td>\n24 Months Standard<\/td>\n<\/tr>\n
Custom Features<\/td>\nVoltage tap changer, corrosion-resistant coating, vibration damping mountings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Note:<\/em> The 50 kVA model is widely used for medium-scale vessels and offshore installations, offering a perfect balance between power output, efficiency, and size. Custom capacities ensure that every client can receive a transformer tailored to their exact shipboard or offshore power requirements.<\/p>\n

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