Marine switch – reliable control for marine systems
A marine switch is a critical control device used in ships, boats, and offshore applications to manage electrical circuits and engine systems. Built for durability and safety, the right marine switch ensures secure operation under harsh environmental conditions. Whether for ignition, lighting, pumps or navigation systems – marine switches are essential components in every vessel’s electric components setup.
Choose from following:
RELAY WITH HOLDER - 51259027019 suitable for MAN D-engines
Efficient Relay with Holder for MAN D EnginesDiscover our relay with holder, specifically designed to meet your requirements. With the comparison number 51259027019, our OEM replacement part is ideal for giving your MAN D engines the performance they need. Rely on this solution for your engine needs, as we exclusively offer OEM replacement parts that provide the highest quality and reliability.
RELAY WITH HOLDER - 51259027018 suitable for MAN D-engines
First-Class Relay with Holder for Your EnginesDiscover our Relay with Holder, a digital product specifically designed for the needs of MAN D engines. With the comparison number 51259027018, we offer you a tailored replacement part in original equipment quality that excels through optimal performance.Suitable for MAN D: Reliability in UseThis OEM replacement part is suitable for the D2842 series, motorized solutions in the field of diesel and gas engines. You can rely on our Relay with Holder to integrate seamlessly into your system, enhancing both efficiency and safety.
RELAY - 51259027017 suitable for MAN D-engines
Essential Relay: Comparison Number 51259027017The relay with the comparison number 51259027017 is an essential spare part from the category electric components and switches. This product offers exceptional reliability and performance, ideal for professional applications in engine technology.
SPEED RELAY - 51259027016 suitable for MAN D-engines
Versatile Applications of the Speed RelayDiscover our speed relay, available under the comparison number 51259027016. This product is essential for the optimal functionality of your machines and ensures reliable performance. With its excellent processing, it is an outstanding choice for businesses that value the quality of their systems.
RELAY - 0333006025 suitable for Bosch engines
Powerful Relay as an OEM Replacement PartDiscover our powerful Relay, designed as an OEM replacement part specifically tailored to the requirements of engines compatible with MAN D. With the comparison number 0333006025, this product serves as an essential electric component of your diesel engines. The Relay weighs only 0.21 kg, significantly simplifying installation and maintenance.Reliable Replacement Parts for the Highest DemandsThe Relay belongs to the group of electric components and switches and offers safe solutions in all applications—whether marine or stationary. Our OEM replacement parts ensure optimal performance of your engines. Trust in our 25 years of experience, which is reflected in every product.
RELAY - 51259020076 suitable for MAN D-engines
Indispensable Relay: Optimal OEM Replacement PartThe relay with the comparison number 51259020076 is an essential OEM replacement part that ensures your MAN D engines operate reliably. It plays a crucial role in controlling engine functions, providing your diesel or gas engines with indispensable performance. Weighing only 0.1 kg, this product offers an ideal mix of functionality and efficiency.
RELAY - 51259020075 suitable for MAN D-engines
Precise Relay Suitable for MAN D EnginesDiscover our relay with the comparison number 51259020075, specially designed for MAN D engines. As part of the category "Electric components and switches," this product meets high standards of reliability. Weighing only 0.1 kg, the relay is easy to install, making it an excellent choice for professionals.OEM Spare Parts for Outstanding PerformanceThis OEM spare part, comparison number 51259020075, stands for optimal functionality of your engines. In use, we ensure that our spare parts are designed to fit MAN D engines, promoting durability and efficiency through careful development. Each of our OEM spare parts provides you with the performance your engines need.
RELAY - 51259020072 suitable for MAN D-engines
Robust Relay with Comparison Number 51259020072Present yourself with the relay that carries the comparison number 51259020072. This functional relay is suitable for MAN D engines, particularly designed for applications in the marine and stationary sectors as well as in locomotives. Weighing 0.74 kg, this product offers reliability and durability that are essential for the operational use of engines.Quality of OEM Replacement PartsWe exclusively offer OEM replacement parts, ensuring that these products meet the highest quality standards. The relay is an essential component specifically designed to enable smooth operation for MAN D engines. We are available to answer any questions you may have about our range or products.
RELAY - 51259020070 suitable for MAN D-engines
Electronic part suitable for MAN D enginesExperience our innovative Relay with the comparison number 51259020070, which has been specifically developed to meet the highest standards. This electric component weighs no more than 0.202 kg and is particularly suitable for use in MAN D engines. Its lightweight design ensures easy installation, while the quality of the product supports the reliability of the engines.
TIME-DELAY-RELAY - 51259020069 suitable for MAN D-engines
Precise Performance with Our Time-delay-relayDiscover our time-delay-relay with the reference number 51259020069, an outstanding product as an OEM replacement part for highly complex engine applications. This electronic component belongs to the category of electric components and switches and allows you precise control in diesel and gas engines. Weighing only 0.05 kg, it is optimized for effective use.Compatible and Powerful for MAN D EnginesThe time-delay-relay is designed for MAN D engines, offering stability and durability even under demanding conditions. Its top-notch features make this OEM replacement part the best choice for enhancing the efficiency of your engines. Rely on OEM standards for quality and innovative design.
PROTECTIVE CIRCUIT BREAKER - 51259020058 suitable for MAN D-engines
Robust Protective Circuit Breaker for Reliable EnginesOur protective circuit breaker with the comparison number 51259020058 is an excellent choice for your needs. The product is suitable for MAN D engines and belongs to the group of electric components and switches. Weighing 0.36 kg, the protective circuit breaker is easy to install and contributes to the safety of your engines.Quality of OEM Replacement PartsAs an OEM replacement part, the protective circuit breaker offers excellent quality that is essential for the operation of engines. Through strict internal controls during production, we ensure that high-performance components are integrated into your machines. This way, you benefit from practical solutions.
- 51255140012 suitable for MAN D-engines
Temperature Switch for Optimal TemperaturesThe temperature switch with the comparison number 51255140012 is an essential OEM spare part that ensures the best possible performance of your MAN D engines. This product ensures that the operating temperature is precisely regulated, thereby extending the efficiency and service life of your engines.Suitable for MAN D: Quality Meets FunctionalityThis OEM spare part is specifically suitable for the requirements of MAN D and contributes to the optimal functionality of the engines. The article group "Lines and pipes" includes essential components that significantly support the effectiveness and safety of the engines. Rely on tested quality!
PRESSURE SWITCH - 51255140010 suitable for MAN D-engines
Efficient Pressure Switch with Comparison Number 51255140010 Discover the pressure switch with the comparison number 51255140010 – a top-notch OEM spare part that delivers reliable performance for your engines. With precise pressure control, this product underpins the quality that engines require in demanding applications.Suitable for MAN D Engines The OEM spare part is specifically designed for MAN D engines and offers the highest fit accuracy. This specific selection ensures that your system operates efficiently and avoids operational delays.
OIL PRESSURE SWITCH - 51255140004 suitable for MAN D-engines
Efficient Oil Pressure Switch with Comparison Number 51255140004The oil pressure switch with the comparison number 51255140004 is an essential product in the category of electric components and switches. Weighing only 0.03 kg, this OEM replacement part is ideally suited for modern use in engines. Rely on the proven quality that distinguishes every component and supports the efficiency of your machinery system.Suitable for MAN D EnginesThis product is suitable for MAN D engines and ensures reliable operation of the entire engine system through its precise execution. Our OEM replacement parts represent components developed according to manufacturer standards, clearly distinguishing themselves from aftermarket solutions. Opt for quality and a reliable solution in your drive system.
PUSH KEY - 51255030015 suitable for MAN D-engines
Essential: Push Key Compatible with MAN D EnginesDiscover our product, the push key with the comparison number 51255030015. This replacement part fits perfectly for MAN D engines and offers you the quality you need for your machines. With a lightweight of only 0.01 kg, it allows for an effortless installation and also impresses with its performance and durability.
PUSH KEY - 51255030013 suitable for MAN D-engines
Powerful Push Key for EnginesDiscover our product, the push key with the comparison number 51255030013. This component impresses with its top-notch functionality and is an indispensable OEM spare part for high demands. Weighing only 0.033 kg, this push key is tailored to the specific needs of engines and stands out due to its durability.Suitable for MAN D EnginesThis push key is not just another component – it is specifically suitable for MAN D engines. With the highest quality standards in production, our OEM spare part ensures that it can be perfectly integrated into existing systems and contributes to the efficiency of your engines. The manual internal inspection of each component instills confidence in every detail of the product.
PUSH KEY - 51255030012 suitable for MAN D-engines
Push key for MAN D engines in detail Discover the product with the comparison number 51255030012, a push key suitable for MAN D engines. This spare part belongs to the group of Gauges and sensors and offers reliability as well as durability. It has been manufactured under the highest standards in the marine and stationary industries.
AUTOMATIC CUTOUT - 51254370009 suitable for MAN D-engines
First-class replacement part with comparison number 51254370009The product with the comparison number 51254370009 is a reliable Automatic cutout specifically designed to fully meet the requirements of motor-driven applications. With this OEM replacement part, you receive optimal quality that benefits your engines, regardless of their intended use, whether in marine or stationary applications.
AUTOMATIC CUTOUT - 51254370005 suitable for MAN D-engines
Reliable Automatic Cutout for Efficient ApplicationsThe automatic cutout with the comparison number 51254370005 is an essential component for efficient and safe applications, especially positioned in the field of electric components and switches. This product is perfect for enhancing functionality and is suitable for MAN D engines.
PROTECTIVE CIRCUIT BREAKER - 51254370002 suitable for MAN D engines
Reliable Protective Circuit Breaker for Various ApplicationsDiscover the reliability of the protective circuit breaker with the comparison number 51254370002, a product specifically designed to meet your needs in the field of electric components and switches. This OEM replacement part is ideal for supporting the optimal operation of your machines. With compact dimensions of 7.3 cm in length and width, and a height of 1.7 cm, this protective circuit breaker is a valuable addition in tight spaces.Compatible with MAN D Engines: Perfect FitThe protective circuit breaker, compatible with MAN D engines, is essential for electronic controls. This OEM replacement part helps ensure the most efficient performance of your engines. Weighing only 0.03 kg, the protective circuit breaker is easy to install and is optimal for marine and stationary use.
MALE CONNECTOR - 51254357007 suitable for MAN D-engines
Reliable Performance with the Male Connector 51254357007Discover the male connector with the comparison number 51254357007, an important product in the field of electric components and switches, specifically designed to support engines smoothly and effectively. It is suitable for MAN D engines and is a must-have in your professional workshop. With a compact size of 10.9 cm in length and width and a height of 2.9 cm, it meets the requirements for easy installation.
CONNECTOR HOUSING - 51254357005 suitable for MAN D-engines
Connector housing with comparison number 51254357005Discover our connector housing, comparison number 51254357005, which is specifically designed to provide optimal functionality in various engine applications. As a part of the category electric components and switches, it offers advantages in a compact format with a weight of only 0.02 kg, ideal for demanding environments.
CONNECTOR HOUSING - 51254357001 suitable for MAN D-engines
Quality Connector Housing – Discover the ProductDiscover our connector housing, which is marked as OEM replacement part with the comparison number 51254357001. This product belongs to the category "Electric components and switches" and is specially designed to meet the demands of effective engine technology. Weighing only 0.04 kg, this replacement part is ergonomically designed for efficient installation.Solutions for Complex Engine ApplicationsThe connector housing is suitable for MAN D engines and meets the highest standards. Its reliable design significantly contributes to the functionality and longevity of diesel and gas engine modules. Rely on an OEM replacement part that has proven itself in practice many times.
- 51254356092 suitable for MAN D-engines
Convincing Connections with the Connector for Wiring HarnessesOur connector for wiring harnesses is an OEM replacement part, suitable for MAN D engines. With the comparison number 51254356092, this component is excellent for a stable and efficient connection in your engine system. Rely on the quality that meets your requirements while optimizing performance.
Function and advantages
Marine switches enable or disable electrical circuits manually or automatically. They are used in main power lines, control panels and engine controls. High-quality motor switches and engine switches offer:
- Corrosion resistance and waterproof sealing
- High load capacity and thermal protection
- Reliable switching under vibration and motion
Integrated power components such as fuses, relays or terminals often work in combination with marine switches to ensure complete circuit safety.
Applications and product types
Marine switches are found in ignition systems, battery selectors, bilge pumps, cabin controls and communication equipment. Depending on use, they may be toggle, rocker, push-button or rotary switches. All are part of modern marine electronic parts systems, designed to meet IP ratings, load class, and maritime certification standards.
As part of an electronics parts search engine or technical catalog, marine switches are categorized by voltage range, function (e.g. momentary vs. maintained), and terminal type – ensuring compatibility with existing electric components.
Sourcing and compatibility
We offer a wide selection of marine switches and electrical components suitable for MTU, Volvo Penta, MAN, Deutz and other marine engine systems. As trusted electrical components suppliers, we provide OEM-quality and fast availability – ideal for service centers, shipyards and refit projects.
Looking for electronic parts suppliers near me? Our distribution network ensures quick delivery and expert support wherever your vessel operates.
FAQ
What is a marine switch?
A marine switch is an electrical control device used in boats and ships to turn circuits on or off. It is designed to handle moisture, vibration and high current loads in harsh marine environments.
Where are marine switches used?
Marine switches are used in electrical panels, engines, lighting systems, pumps, battery management systems, and navigation electronics. They are essential for both manual and automatic control functions on board.