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 81205300 - Mac Plus 12/24-30 is a professional-grade, non-isolated DC/DC converter and 3-step charger delivering 30 A at 24 V from a 12 V input. Designed for vehicles and vessels with Euro 5/6 smart alternators or long power runs, it ensures efficient battery charging with >95% efficiency. This silent, fanless unit features a compact footprint (255 x 165 x 66 mm), rugged M8 terminals, DIP-switch setup, and full MasterBus compatibility — making it ideal for boats, motorhomes, trucks, and service vans.
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$ 960.47
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1-2 weeks delivery time The Mastervolt 81205400 - Mac Plus 24/24-30 is a high-performance, non-isolated 24 V to 24 V DC/DC converter and battery charger that delivers a stable 30 A output with 850 W peak power. It is engineered for advanced vehicle and marine power systems with Euro 5/6 smart alternators, long cable runs, and high-efficiency demands. Featuring fanless operation, 3-step charging, DIP switch configuration, and full MasterBus integration, this compact (255 x 165 x 66 mm), rugged unit ensures optimal service battery health, even under tough conditions.
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$ 960.47
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1-2 weeks delivery time The Mastervolt 35012000 - Combimaster 12/2000-60 230V is a compact, high-efficiency inverter/charger system that delivers 2000 VA (1600 W) of continuous true sine wave AC power with 60 A charging capability. Operating on a 12 V DC input and designed for global AC systems (230 V / 50–60 Hz), it integrates a rapid 10 ms transfer switch, advanced 3-step+ battery charging, and MasterBus/CZone/NMEA 2000 communications. With Power Assist, Power Sharing, galvanic isolation, and robust protections, this E-mark certified unit is ideal for demanding marine, RV, and off-grid power applications. Dimensions: 371 x 284 x 155 mm. Weight: 6.9 kg.
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$ 2,055.38
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1-2 weeks delivery time The Mastervolt 35013000 - Combimaster 12/3000-100 230V is a compact yet powerful hybrid inverter/charger delivering 3000 VA (2600 W) of continuous pure sine wave AC power and up to 100 A of advanced 3-step+ battery charging at 12 V. Designed for mobile and marine applications, it features an automatic 10 ms transfer switch, Power Assist to prevent AC overloads, and seamless integration with MasterBus, CZone, and NMEA 2000 networks. Weighing only 9.3 kg and measuring 448 x 284 x 155 mm, this IP23-rated, E-mark certified unit supports heavy loads, sensitive electronics, and intelligent system automation.
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$ 2,877.89
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1-2 weeks delivery time The Mastervolt 35022000 - CombiMaster 24/2000-40 230V is a compact inverter/charger designed for demanding marine, off-grid, and mobile power systems. It provides 2000 VA (1600 W) of true sine wave power at 230 V with a 40 A battery charger operating at 28.5 V. Featuring Power Assist, auto AC transfer switching, and compatibility with MasterBus, CZone, and NMEA 2000, this unit guarantees seamless operation with smart automation and high efficiency (up to 93%). Compact (371 x 284 x 155 mm) and lightweight (6.9 kg), it's ideal for modern DC/AC hybrid installations.
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$ 1,849.33
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1-2 weeks delivery time The Mastervolt 38013000 Mass Combi Ultra 12/3000-150 is a high-performance, all-in-one inverter/charger system designed for professional marine, off-grid, and mobile power applications. It combines a 3000W pure sine wave inverter, a 150A advanced 3-step+ battery charger, and a built-in MPPT solar charge controller (25A) into a single 12V system. With a compact footprint of 472 x 318 x 178 mm and a weight of only 15.3 kg, it supports parallel and 3-phase configurations up to 35 kW, dual AC inputs, Power Assist functionality, and seamless source switching—all managed via the MasterBus communication protocol.
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$ 5,348.90
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1-2 weeks delivery time The Mastervolt 38023500 Mass Combi Ultra 24/3500-100 is a high-end inverter/charger designed for advanced marine, mobile, and off-grid systems. It combines a 24V pure sine wave inverter delivering 3500W continuous (7000W peak), a 100A multistage battery charger, and an integrated MPPT solar charge controller (25A, up to 750Wp). Featuring ultra-low standby consumption, seamless source switching via DSP, dual AC inputs/outputs, and scalable operation (up to 35 kW in parallel or 3-phase), this compact system (472 x 318 x 178 mm) is built for professional reliability and performance.
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$ 5,965.34
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1-2 weeks delivery time The Mastervolt 38513000 Mass Combi Pro 12/3000-150 is a high-performance inverter/charger solution for demanding professional and semi-professional installations. It combines a 3000W pure sine wave inverter, a 150A 3-step+ battery charger, and seamless power transfer capabilities in a single 12V unit. With parallel and 3-phase compatibility (up to 35 kW), dual AC inputs, Power Assist, and ultra-low standby consumption, this system offers stable power delivery and battery management in a compact 472 x 318 x 178 mm format, weighing just 15.3 kg. Fully MasterBus-compatible and certified to CE, ABYC, and E-mark standards.
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$ 4,790.08
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1-2 weeks delivery time The Mastervolt 38523500 Mass Combi Pro 24/3500-100 is a fully integrated inverter/charger solution designed for high-performance marine and mobile applications. It delivers a continuous 3500W of pure sine wave AC power from a 24V battery system and includes a 100A 3-step+ battery charger with intelligent power management. This compact unit (472 x 318 x 178 mm, 15.3 kg) features seamless switching between power sources, dual AC inputs/outputs, and advanced cooling for silent night operation. Built for scalability, it supports parallel/3-phase setups up to 35 kW and integrates easily via MasterBus.
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$ 5,348.90
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1-2 weeks delivery time The Mastervolt 35023000 CombiMaster 24/3000-60 delivers 3000 VA (2600 W) of pure sine wave AC power from a 24V battery system and includes a 60A advanced 3-step+ charger. Designed for seamless switching between mains, generator, or inverter modes, it features Power Assist, automatic transfer within 10 ms, and high-efficiency operation up to 93%. With full MasterBus, CZone, and NMEA 2000 compatibility, the unit ensures professional-grade integration. Weighing just 9.3 kg and measuring 448 x 284 x 155 mm, this compact system is E-mark certified and ideal for marine, RV, and mobile applications.
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$ 2,591.50
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1-2 weeks delivery time The Mastervolt 35513000 CombiMaster 12/3000-160 is a powerful, compact inverter/charger delivering 2600W of pure sine wave output at 120V from a 12V battery system, and a high-capacity 160A multistage charger. Designed for mobile and marine applications, it includes Power Assist to prevent breaker trips on weak shore/generator connections, a seamless 10 ms AC transfer switch, and full communication compatibility via MasterBus, CZone, and NMEA 2000. Measuring just 448 x 284 x 155 mm and weighing 9.3 kg, it's an ideal core for integrated 120V power systems.
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$ 3,083.96
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1-2 weeks delivery time The Mastervolt 24012000 Mass Sine 12/2000 is a robust pure sine wave inverter built for professional-grade 230V/50Hz AC output from a 12V battery bank. Delivering 2000W continuous (1800W nominal) with 4000W peak load capacity, it features high-frequency switching, 92% efficiency, and rugged construction. Designed for 24/7 operation in mobile, marine, and industrial environments, it supports external switching (Masterswitch/Systemswitch) and integration into smart systems via optional MasterBus interfaces. With a compact 420 x 318 x 130 mm footprint and passive/forced cooling, it excels under harsh thermal and electrical conditions.
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$ 2,965.21
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1-2 weeks delivery time The Mastervolt 24022500 Mass Sine 24/2500 is a robust and reliable inverter delivering 2500W (2000W continuous) of pure sine wave AC power at 230V/50Hz from a 24V battery source. Built for heavy-duty 24/7 operation, it provides high surge capacity (up to 5000W), 92% efficiency, and is galvanically isolated. Designed for integration into marine, mobile, or industrial systems, it supports MasterBus connectivity (via optional interface), silent fan-assisted cooling, and automatic energy-saving mode. At just 10.1 kg, it’s a compact and professional solution for demanding power environments.
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$ 3,883.75
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1-2 weeks delivery time The Mastervolt 28010502 AC Master 12/500 is a compact and efficient pure sine wave inverter that delivers 230V AC output at 500W continuous power (800W peak) from a 12V battery. Designed for recreational and light-duty professional use, it features an IEC output socket, high-frequency switching for silent operation, and automatic energy-saving mode. Ideal for mobile homes, service vehicles, or holiday setups, it ensures safe and stable power for sensitive electronics. At just 1.22 kg and 210 x 130 x 60 mm in size, this inverter is easy to install, fully protected, and CE/E-mark/ABYC certified.
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$ 419.11
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1-2 weeks delivery time The Mastervolt 28010700 AC Master 12/700 is a pure sine wave inverter delivering 700W continuous output at 230V from a 12V battery, with peak capability up to 1230W. Designed for recreational and light-duty professional use, it offers compact installation, silent operation via temperature-controlled fan, and reliable protection systems. Its Schuko plug connection makes it quick to deploy, while high-frequency switching ensures 91% efficiency. This inverter is ideal for powering sensitive electronics and appliances on boats, RVs, and mobile work vehicles.
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$ 597.24
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1-2 weeks delivery time The Mastervolt 28012500 AC Master 12/2500 delivers robust 2500W continuous pure sine wave power at 230V from a 12V battery system. Designed for heavy recreational and semi-professional applications, it features Schuko and hardwired AC output, integrated transfer switching, and peak power up to 4000W. High-frequency isolation ensures quiet, efficient operation, while smart protections and optional MasterBus integration provide advanced control. Suitable for standalone, parallel, or 3-phase configurations (up to 15 units), it’s ideal for mobile workshops, service vehicles, and off-grid setups requiring stable and clean AC power.
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$ 2,425.60
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1-2 weeks delivery time The Mastervolt AC Master 24/500 (28020502) is a compact and reliable sine wave inverter delivering 500 W of continuous AC power at 230 V from a 24 V battery. Ideal for both mobile and off-grid use, it ensures smooth operation of sensitive electronics thanks to its pure sine output. With a 91% efficiency, peak loads up to 800 W, and automatic energy-saving features, it's perfect for recreational and semi-professional setups. Includes a universal IEC outlet and built-in protections for over-temperature, overload, and voltage anomalies.
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$ 419.11
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1-2 weeks delivery time The Mastervolt MasterBus Mass Inverter Interface (77030700) enables full integration of Mass Sine inverters into a MasterBus network. This compact module allows remote monitoring and control of the inverter from MasterBus-compatible devices such as the EasyView 5 or a PC. Delivered with all necessary connection accessories, it is ideal for upgrading standalone inverter setups into fully networked energy systems.
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$ 287.79
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1-2 weeks delivery time The Mastervolt AC Master 12/300 (28010302) is a compact, pure sine wave inverter delivering 230V AC from a 12V battery bank. Ideal for recreational or light-duty professional use, it offers 300 W continuous power (600 W peak), IEC plug connectivity, and clean AC output for sensitive electronics. Reliable, safe, and cost-effective—perfect for mobile setups or off-grid applications.
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$ 340.53
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1-2 weeks delivery time The Mastervolt AC Master 12/2000 (28012000) is a compact and efficient 230V inverter designed to deliver 2000 watts of pure sine wave AC power from a 12V battery bank. Optimized for recreational and semi-professional installations, it provides reliable performance under demanding loads, quiet fan operation, and seamless support for sensitive equipment. With an impressive 94% efficiency and robust protection features, it is ideal for mobile homes, workshops, and off-grid systems.
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$ 1,538.48
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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.