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.
|
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.
|
$ 168,53
-
+
| ||
|
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.
|
$ 387,62
-
+
| ||
|
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.
|
$ 374,14
-
+
| ||
|
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.
|
$ 278,07
-
+
| ||
|
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.
|
$ 1.887,53
-
+
| ||
|
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.
|
$ 3.370,58
-
+
| ||
|
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.
|
$ 42,13
-
+
| ||
|
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.
|
$ 277,23
-
+
| ||
|
1-2 weeks delivery time The Mastervolt Shore Power Cordset 25m 3x4mm² (121320250) is a durable and reliable solution for connecting your vessel to shore power. Designed to handle up to 25 amperes at 230 volts, this yellow cordset features a robust 3x4mm² cable construction, ensuring efficient power transmission. The integrated LED power indicator provides a clear visual confirmation of active power flow, enhancing safety during operation. Its molded plugs offer secure connections, and the UV-resistant, wear-proof outer jacket ensures longevity even in harsh marine environments.
|
$ 531,37
-
+
| ||
|
1-2 weeks delivery time The Mastervolt Shore Fix 16A/30mA (Art. 124001000) is a preassembled earth leakage circuit breaker designed to safeguard electrical installations against leakage currents, overloads, and short circuits. Housed in a robust IP55-rated enclosure, it is ideal for marine and RV environments where safety and reliability are paramount. The unit features a sensitivity of 30 mA and a nominal current rating of 16 A, ensuring prompt disconnection in the event of a fault. Its compact design and straightforward installation make it a practical choice for enhancing onboard electrical safety.
|
$ 361,34
-
+
| ||
|
1-2 weeks delivery time The Mastervolt Transfer System 120/230V – 6kW (55010600) is an automatic AC power transfer switch designed to seamlessly adapt incoming grid voltages for onboard systems. Rated at 6,000 W, it enables safe operation of 230 V/50 Hz electrical systems on 120 V/60 Hz shore power, such as in North America or the Caribbean. Used in combination with an IVET transformer and optional Soft Start, it suppresses inrush currents and ensures uninterrupted operation of sensitive onboard electronics.
|
$ 2.399,86
-
+
| ||
|
1-2 weeks delivery time The Mastervolt IVET 4.5kW Isolation Transformer (85000450) is a high-performance, heavy-duty E-core unit designed for professional marine electrical installations. Supplied without casing for direct integration, this multi-tap transformer supports input and output voltages of 120 V, 230 V, or 240 V, offering flexible deployment across international shore power systems. Measuring approximately 260 x 230 x 210 mm and rated for 4.5 kW, it ensures galvanic isolation between onboard and shore systems to prevent electrolysis and corrosion. Compatible with optional Soft Start modules to reduce inrush current and avoid fuse trips.
|
$ 2.597,33
-
+
| ||
|
1-2 weeks delivery time The Mastervolt IVET 6kW (85000600) is a high-performance E-core galvanic isolation transformer engineered for safe marine installations. Designed without casing for direct integration, it provides electrical isolation between shore power and onboard systems to prevent galvanic corrosion. Supporting 120/230/240 V multi-tap configurations, this transformer offers 6000 W of power capacity and is compatible with optional Soft Start modules to prevent power surges. Dimensions and detailed specs make it ideal for custom installations in demanding environments.
|
$ 3.032,77
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 61002600 AGM battery delivers 6 V and 260 Ah (C20) of sealed, maintenance-free power ideal for high-current systems. Its Absorbent Glass Mat (AGM) technology enables fast discharge rates for engine starting or large inverter loads, with no gas formation under normal use. Designed for flexible 12/24/48 V battery bank configurations, this 35.5 kg unit features dual A-type and M10 stud terminals and compact dimensions of 295 x 180 x 298 mm, making it suitable for tight installation environments.
|
$ 475,86
-
+
| ||
|
1-2 weeks delivery time The Mastervolt AGM 12V 55Ah battery (62000550) is a compact, maintenance-free energy solution designed for high current applications such as engine starting and power boosts in mobile systems. Using absorbent glass mat (AGM) technology, it delivers fast discharge performance, low internal resistance, and zero gas emission during normal operation. With dimensions of 257 x 132 x 200 mm and weighing just 17 kg, it's ideal for installations with limited space. The battery supports both M6 and A-type terminals for flexible integration and comes with a 2-year warranty.
|
$ 248,31
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 12V 70Ah AGM Battery (62000700) delivers reliable starter performance and moderate cyclic capacity in a sealed, maintenance-free form. Designed with advanced Absorbent Glass Mat (AGM) technology, it provides fast discharge capability and low internal resistance, making it ideal for high-current applications like engine starting. With a compact footprint of 348 x 167 x 178 mm and weighing 21 kg, it supports M8/A-type terminals and allows installation in virtually any orientation. Rated at 290 A (DIN) and 460 A (SAE), this battery is perfect for replacing conventional flooded batteries.
|
$ 304,67
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 12V 90Ah AGM Battery (62000900) is a robust, maintenance-free energy source designed for demanding starter and auxiliary applications. Delivering high discharge performance comparable to a 180Ah flooded lead-acid battery, it uses absorbent glass mat technology to ensure low internal resistance, no gas emissions, and safe installation in confined spaces. With dimensions of 330 x 173 x 220 mm and a weight of 28 kg, it features dual M8 and A-type terminals, 360 A (DIN) cold cranking, and a 2-year warranty.
|
$ 371,71
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 12V 130Ah AGM Battery (62001300) delivers high current discharge and deep cycle capabilities in a rugged, maintenance-free sealed design. With low internal resistance and thick plate construction, it supports powerful cranking performance (530 A DIN / 840 A SAE) and a stable 130 Ah capacity at C20. Measuring 408 x 176 x 228 mm and weighing 37.6 kg, it features versatile M8/A-type terminals and is ideal for demanding starter or medium-duty cyclic applications in marine, RV, or off-grid power systems.
|
$ 504,05
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 12V 160Ah AGM Battery (62001600) is a high-capacity, maintenance-free energy storage unit engineered for both starter and medium-cycle applications. With a sealed AGM construction and thick-plate design, it delivers powerful high-current discharge and long service life. Supporting installation in almost any position and featuring dual M8 and A-type terminals, this battery ensures reliable operation with zero gas emission under normal conditions. Ideal for marine, RV, and off-grid systems requiring dependable 12 V power and deep capacity.
|
$ 593,44
-
+
| ||
|
1-2 weeks delivery time The Mastervolt 12V 225Ah AGM Battery (62002250) delivers unmatched power capacity and high current discharge performance in a rugged, sealed construction. Ideal for large marine, RV, and off-grid systems, this maintenance-free battery features advanced glass-fibre technology, low internal resistance, and impressive cold cranking output (680 A DIN / 1080 A SAE). With a capacity of 225 Ah (C20), maximum charge current of 63 A, and dual M8/A-type terminals, it’s optimized for both starter and medium-deep cycle roles. Dimensions: 522 x 240 x 224 mm. Weight: 63.5 kg.
|
$ 796,02
-
+
| ||
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.