Marine electrical products encompass a wide range of essential components for boats and marine vessels. These products include marine generators, batteries, battery switches, chargers, and solar panels designed for marine applications. They ensure reliable power sources, electrical control, and efficient energy management onboard, making them vital for boating safety and convenience. Additionally, fuses, switch control panels, and battery combiners are key elements in marine electrical systems, contributing to seamless operation and power distribution on boats.
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1-2 weeks delivery time The Mastervolt AC Master 24/300 (28020302) is a compact 230V inverter delivering 300 watts of continuous pure sine wave AC power from a 24V DC battery source. Ideal for light-duty recreational or semi-professional systems, it ensures clean, stable energy for sensitive electronics and small appliances. Lightweight, highly efficient (91%), and easy to install via IEC socket, it features automatic power-saving mode, robust safety protections, and operates quietly even under load.
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$ 340.53
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1-2 weeks delivery time The Mastervolt AC Master 24/2000 (28022000) is a high-efficiency pure sine wave inverter delivering 2000 W continuous power and up to 4000 W peak from a 24V battery source. Designed for both mobile and off-grid applications, this model features Schuko AC connection, low standby consumption (<0.05 A), and 94% conversion efficiency. Ideal for sensitive appliances and electronics, it supports safe, silent operation with built-in protection, LED status indicators, and optional MasterBus integration.
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$ 1,538.48
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1-2 weeks delivery time This 16 A / 230 V stainless steel shore power inlet is designed for harsh marine and mobile environments. Featuring a corrosion-resistant 2+PE connection and robust weather-sealed housing, it ensures safe, durable power access from shore to onboard systems. With IP67 protection and a clean, flush-mount profile, it is ideal for boats, RVs, and professional vehicles.
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$ 219.50
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1-2 weeks delivery time The Mastervolt Shore Power Cordset 121160930 is a 15-meter, high-quality 230V shore connection cable built with 2.5 mm² conductors and a 16 A CEE plug. Designed for optimal onboard power safety and reliability, this cable ensures secure connection to shore power to supply your onboard equipment and charge batteries. Delivered with a durable zippered carrying bag, it's a ready-to-go solution for yachts, RVs, and mobile applications.
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$ 323.06
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1-2 weeks delivery time This 25-meter 230 V shore power cordset from Mastervolt provides a safe and dependable connection between the shore grid and your onboard AC system. Manufactured with 2.5 mm² marine-grade conductors and a 16 A CEE plug, it ensures reliable current transfer in recreational or semi-professional marine environments. Delivered in a durable green finish and convenient Mastervolt storage bag (36 x 46 x 11 cm), this cordset is ideal for extended reach and organized stowage.
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$ 457.88
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1-2 weeks delivery time Mastervolt 24020800 - Mass Sine 24/800 Inverter (230V/50Hz) delivers continuous and reliable pure sine wave output from a 24 V DC battery source, designed specifically for heavy-duty and professional use. With a continuous power rating of 650 W (800 W P30) and a peak capacity of 1600 W, it can handle inductive loads with ease. Its high-frequency design ensures silent operation and 92% efficiency. The unit supports MasterBus integration and offers compact dimensions (325 x 220 x 111 mm) with IP23 protection. Ideal for marine, mobile, or off-grid systems requiring a dependable inverter with intelligent monitoring and control.
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$ 1,412.75
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1-2 weeks delivery time Mastervolt 24095100 - Mass Sine 24/5000 Inverter (230V/50Hz) is a professional-grade, high-capacity sine wave inverter engineered for the most demanding industrial, marine, and mobile power applications. Delivering a true sine wave output with 5000 W peak (P30 rating) and 9000 W surge capacity, it handles heavy inductive loads with ease. Built for reliability under extreme conditions, this inverter includes high-frequency switching for quiet performance, 92% efficiency, and full MasterBus compatibility. Its robust design (470 x 315 x 254 mm, 19 kg) supports internal AC connections, galvanic isolation, and intelligent energy-saving modes—ideal for off-grid systems and continuous duty operations.
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$ 6,704.02
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1-2 weeks delivery time Mastervolt 26024000 - Mass Sine Ultra 24/4000 Inverter (230V/50Hz) is an advanced, high-capacity sine wave inverter engineered for mission-critical professional and semi-professional applications. Delivering 4000 W of continuous pure sine wave AC output and a peak load of 7000 W, it supports demanding electrical systems with extreme reliability. Designed for full performance at 40 °C and in harsh environments, it features integrated MasterBus, high-frequency efficiency, ultra-low harmonic distortion (<1%), and dynamic battery voltage control. The system supports parallel operation (up to 10 units) and 3-phase configuration (up to 3x3), making it ideal for scalable energy systems requiring 40+ kW of power.
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$ 5,010.11
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1-2 weeks delivery time Mastervolt 28011000 - AC Master Inverter 12/1000 Schuko delivers reliable 230V pure sine wave AC power from a 12V battery source, ideal for recreational and semi-professional use. With 1000 W continuous output, 1750 W peak power (1 sec), and 92% efficiency, it powers sensitive appliances with ease. The inverter features a Schuko plug connection, galvanic isolation, and LED indicators for battery, load, and system status. It supports energy-saving operation, smart fan cooling, and compact installation (200 x 372 x 83 mm). Built for reliability, this unit is perfect for mobile homes, service vehicles, and off-grid applications.
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$ 908.07
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1-2 weeks delivery time Mastervolt 28011500 - AC Master Inverter 12/1500 Schuko provides robust and reliable 230V AC power from a 12V battery source. Designed for recreational and semi-professional use, this pure sine wave inverter delivers a continuous output of 1500 W, peak surge of 2650 W (1 sec), and operates at 93% efficiency. With a Schuko AC plug, galvanic isolation, and full protection features, it's ideal for mobile, marine, and off-grid applications. Compact dimensions (248 x 421 x 83 mm) and intelligent fan cooling ensure efficient, quiet performance in space-constrained installs.
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$ 1,138.58
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1-2 weeks delivery time Mastervolt 28021000 - AC Master Inverter 24/1000 Schuko delivers stable 230V pure sine wave power from a 24V battery source, making it ideal for both recreational and semi-professional applications. Offering 1000 W of continuous output, 1750 W peak (1 sec), and 94% efficiency, it ensures clean power delivery to sensitive electronics and appliances. With Schuko plug connectivity, galvanic isolation, smart energy-saving operation, and compact housing (200 x 372 x 83 mm), this inverter is a powerful, quiet, and reliable solution for mobile or off-grid systems.
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$ 908.07
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1-2 weeks delivery time The Mastervolt DC Master 24/12-6 (81400200) is a compact, non-isolated DC/DC converter designed to step down 24 VDC input to a stabilized 13.6 VDC output. Delivering a continuous current of 6 A (82 W nominal power) and up to 10 A (136 W) for 2-minute peak demands, it suits marine and mobile environments requiring reliable 12 V power. With a rugged IP53-rated enclosure, passive cooling, and compact dimensions (89 x 87 x 50 mm), it ensures space-efficient, silent operation in harsh conditions. Ideal for recreational and semi-professional applications, this unit supports negative earthing and comes complete with mounting hardware.
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$ 122.25
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1-2 weeks delivery time The Mastervolt DC Master 24/12-12 (81400300) is a non-isolated, high-performance DC-DC converter designed to provide a stable 13.6 VDC output from a 24 VDC input source. Delivering 12 A continuously (164 W nominal) and up to 18 A (245 W) for 2-minute peak loads, it's ideal for supplying 12 V equipment in marine, vehicle, or off-grid systems. Compact (127 x 87 x 50 mm), lightweight (0.405 kg), and naturally cooled, this unit combines installation ease with high energy efficiency. Engineered for negative-ground systems and supplied complete with mounting hardware, it's a solid solution for semi-professional and recreational setups.
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$ 174.63
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1-2 weeks delivery time The Mastervolt DC Master 24/12-24 (81400330) is a robust non-isolated DC-DC converter that transforms 24 VDC input to a stable 13.6 VDC output. Delivering 24 A continuously (326 W nominal) and up to 30 A (408 W) during 2-minute peak loads, it is purpose-built for high-current 12 V applications in marine, automotive, and mobile setups. The converter features a compact IP53-rated housing (167 x 87 x 50 mm), natural convection cooling, and high efficiency with minimal heat generation. Designed for negative ground systems, the unit comes with mounting hardware for quick and secure installation.
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$ 401.65
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1-2 weeks delivery time The Mastervolt DC Master 12/24-7 (81400500) is a non-isolated step-up DC-DC converter designed to provide a stabilized 27.2 VDC output from a 12 VDC input. Delivering 7 A continuously (191 W nominal power) and up to 9 A (245 W) for 2-minute peak demand, this converter is ideal for supplying 24 V equipment in low-voltage systems. Its robust IP53-rated design (167 x 87 x 50 mm), natural cooling, and compact form factor support reliable, silent operation in mobile and marine applications. It’s optimized for negative-ground systems and comes with all necessary installation hardware.
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$ 387.68
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1-2 weeks delivery time The Mastervolt DC Master 24/24-3 (81500400) is an isolated DC-DC converter designed to provide a stabilized 27.2 VDC output from a 24 VDC input source. With 3 A continuous (82 W nominal) and 4 A peak output (109 W for 2 minutes), this model ensures electrical separation between input and output circuits, providing enhanced safety and protection for sensitive systems. Compact (127 x 87 x 50 mm), IP53-rated, and naturally cooled, this converter is suitable for recreational and semi-professional applications requiring galvanic isolation and low-noise operation.
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$ 288.14
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1-2 weeks delivery time The Mastervolt Mass GI 3.5 kW Isolation Transformer (88000355) is a high-frequency galvanic isolator designed to safely connect onboard systems to shore power while eliminating the risk of galvanic corrosion. Operating on 90–255 V AC at 45–65 Hz, the unit supports 3.5 kW continuous power (16 A @ 230 V) with >93% efficiency. Up to four units can be parallel-coupled for increased capacity (14 kW total). Lightweight (6 kg) and compact (340 x 261 x 144 mm), it features integrated Soft Start, silent operation, MasterBus compatibility, and professional-grade wiring terminals, making it ideal for modern marine AC installations.
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$ 1,955.85
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1-2 weeks delivery time The Mastervolt Mass GI 7 kW (88000705) is a high-performance galvanic isolation transformer engineered for safe and corrosion-free connection between shore power and onboard AC systems. With an output capacity of 7000 VA (32 A at 230 V), it operates over a broad input range (90–255 V, 45–65 Hz) and achieves >93% efficiency through high-frequency switching technology. Featuring Soft Start, MasterBus compatibility, and compact aluminum housing, this unit is ideal for high-load marine installations. Its compact form factor (340 x 261 x 250 mm) and silent operation ensure flexible mounting and long-term system protection.
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$ 3,492.59
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1-2 weeks delivery time The Mastervolt Shore Cable Bag (121160930) is a durable, stylish storage solution designed to organize and protect your shore power cable. Made from rugged canvas and finished with premium leather handles, the bag offers both practicality and aesthetics. Measuring 36 x 46 x 11 cm, it provides ample space for coiled cables while remaining compact enough for easy onboard storage. Ideal for marine and RV use, this bag helps prevent cable damage, tangling, and mess during transport or stowage.
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$ 43.65
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1-2 weeks delivery time The Mastervolt Shore Power Inlet 32A 230V (121320000) is a robust and corrosion-resistant solution for connecting your vessel to shore power. Crafted from high-grade stainless steel, this inlet ensures a secure and durable connection, capable of handling up to 32 amperes at 230 volts. Its 2+PE configuration provides a reliable grounding path, enhancing safety during operation. Designed for marine environments, it withstands harsh conditions while maintaining optimal performance.
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$ 287.26
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What types of marine electrical supplies are essential for maintaining a boat's electrical system?
Essential marine electrical supplies for maintaining a boat's electrical system include a large selection of Marine Wiring, battery terminals, and connectors to ensure proper connections and replacements as needed. A marine electrician may guide you in choosing the right wire selection and other components, making it handy to know the specific needs of your boat. Regularly replacing worn battery terminals and ensuring all connections are secure will help prevent issues and keep the electrical system functioning optimally.
Additionally, with a switch with alternator field disconnect, you can receive everything needed to protect your electrical system, whether you are using a single battery or managing a larger setup. These on-off battery switches are designed for easy integration into your boat's electrical system, and classic models like those listed on the business page offer a large selection to fit various needs. They can handle problems associated with heavy loads and are built to carry the demand generally required for marine applications, providing excellent customer service and reliability. Whether you need a simple switch or a more complex setup for parallel battery management, there are options available to ensure seamless power management on your boat.
What are the common repair needs for marine electrical systems?
Common repair needs for marine electrical systems often involve replacing corroded or worn-out wiring, blown fuses, and faulty connections. Ensuring a reliable boat electrical system requires a selection of marine electrical supplies, such as replacement terminals and connectors. It's crucial to carry out these repairs promptly to maintain the safety and functionality of your boat.
For advanced integration and diagnostic tools, explore solutions from Actisense.
What are the key features to look for in marine electrical shop light?
When choosing a marine electrical shop light, key features to look for include durability and water resistance to withstand harsh marine environments, energy efficiency to help conserve onboard power, and brightness levels sufficient for performing detailed maintenance or repair work. Long-lasting LED technology is also essential for minimizing energy consumption and ensuring consistent performance.
For enhanced versatility, look for lights with adjustable mounting options, which allow for flexible positioning in tight or awkward spaces. Integrating such lighting solutions into a well-managed electrical system—like one supported by a Blue Sea Add a Battery kit—ensures reliable power delivery and safe operation of all onboard components.