Marine Relays
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Blue Sea Systems® - ML-ACR Automatic Charging RelayML-ACR Automatic Charging Relay by Blue Sea Systems®. 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine.Automatically manages the charging of two large battery banksAllows paralleling of battery banks for emergency starting$212.60 - $284.04Availability Varies - Depends on Product Options - CDI Electronics® - Tilt/Trim Relay for Johnson/Evinrude EnginesTilt/Trim Relay for Johnson/Evinrude Engines by CDI Electronics®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine...High quality at an affordable priceExpertly made from premium materials$18.10In Stock - Ships within 24 hrs
- Arco® - 12 V DC 85 A Continuous Duty Relay (R012)12 V DC 85 A Continuous Duty Relay by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your vessel...High quality at an affordable priceExpertly made from premium materials$24.77In Stock - Ships in 24 to 48 hrs
- Arco® - R040 12 V DC 30 A Relay for Volvo Penta (R040)R040 12 V DC 30 A Relay for Volvo Penta by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$21.12In Stock - Ships in 24 to 48 hrs
- Arco® - R151 12 V DC 30 A Relay for Mercury Mariner (R151)R151 12 V DC 30 A Relay for Mercury Mariner by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$16.02In Stock - Ships in 24 to 48 hrs
- Arco® - R177 12 V DC 30 A Relay for Volvo Penta (R177)R177 12 V DC 30 A Relay for Volvo Penta by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$21.32In Stock - Ships within 24 hrs
- Arco® - R473 12 V DC 30 A Relay for O.M.C (R473)R473 12 V DC 30 A Relay for O.M.C by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your vessel and...High quality at an affordable priceExpertly made from premium materials$18.47In Stock - Ships within 24 hrs
- Arco® - R809 12 V DC 30 A Relay for Volvo Penta (R809)R809 12 V DC 30 A Relay for Volvo Penta by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$23.24In Stock - Ships in 24 to 48 hrs
- Arco® - R832 12 V DC 30 A Relay for Volvo Penta (R832)R832 12 V DC 30 A Relay for Volvo Penta by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$16.82In Stock - Ships in 24 to 48 hrs
- Arco® - R950 12 V DC 30 A Tilt/Trim Relay for Yamaha (R950)R950 12 V DC 30 A Tilt/Trim Relay for Yamaha by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$78.60In Stock - Ships within 24 hrs
- Arco® - R952 12 V DC 30 A Relay for Volvo Penta (R952)R952 12 V DC 30 A Relay for Volvo Penta by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your...High quality at an affordable priceExpertly made from premium materials$14.86In Stock - Ships within 24 hrs
- Arco® - Tilt/Trim Relay for Evinrude/E-TEC (R767)Tilt/Trim Relay for Evinrude/E-TEC by Arco®. This product is great for use in all marine applications. It will satisfy the needs of both pleasure boat enthusiasts and ambitious yacht owners. Get this excellent product for your vessel...High quality at an affordable priceExpertly made from premium materials$123.74In Stock - Ships within 24 hrs
- BEP® - 12/24 V 140 A Digital Sensing Relay for Battery (710-140A)12/24 V 140 A Digital Sensing Relay for Battery by BEP®. The Digital Voltage Sensing Relay (DVSR) allows the charging of a 2nd battery bank from any single charging source. When the voltage on the charged bank rises sufficiently, the...Safely charge two or more independent battery banks from one charge source such as an alternator or battery chargerCharges engine starting batteries before combining auxiliary bank for charging$113.78In Stock - Ships within 24 hrs
- Blue Sea Systems® - BatteryLink™ Automatic Charging Relay (7611)BatteryLink™ Automatic Charging Relay by Blue Sea Systems®. Automatically shares single source of charge with Auxiliary BatteryFeatures Optional Features. This top-grade product is expertly made in compliance with stringent industry...120 Amp continuous rating12/24V DC auto ranging voltage input$98.99In Stock - Ships within 24 hrs
- Blue Sea Systems® - ML-ACR Automatic Charging Relay (7620)ML-ACR Automatic Charging Relay (7620) by Blue Sea Systems®. Nominal Voltage: 12V DC. Control Circuit Connection: Tinned Wire. 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates...Includes ML-Series Remote Control Contura Switch PN 2146Automatically manages the charging of two large battery banks$212.60In Stock - Ships within 24 hrs
- Blue Sea Systems® - ML-ACR Automatic Charging Relay with Manual Control (7622)ML-ACR Automatic Charging Relay with Manual Control (7622) by Blue Sea Systems®. Nominal Voltage: 12V DC. Control Circuit Connection: Tinned Wire. 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during...Manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicingIncludes ML-Series Remote Control Contura Switch PN 2146$226.41In Stock - Ships within 24 hrs
- Blue Sea Systems® - SI-ACR Automatic Charging Relay (7610)SI-ACR Automatic Charging Relay by Blue Sea Systems®. Automatically combines batteries during charging, isolates batteries when discharging and when starting enginesFeatures Optional Features.Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine crankingDesigned for 12 or 24 volt systems$98.99In Stock - Ships within 24 hrs
- Blue Sea Systems® - m-Series Automatic Charging Relay (7601)m-Series Automatic Charging Relay by Blue Sea Systems®. The Mini Automatic Charging Relay (M-ACR) is designed to manage the charging current from alternators up to 65 Amps found on most outboards and many inboard engines. Start...Senses charging on two battery banksPull off and snap on insulating cover$68.58In Stock - Ships within 24 hrs
- CDI Electronics® - 12 V DC 40 A Tilt/Trim Relay (852-9809)12 V DC 40 A Tilt/Trim Relay (852-9809) by CDI Electronics®. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine...High quality at an affordable priceExpertly made from premium materials$18.10In Stock - Ships within 24 hrs
- Install Bay® - 200 A Relay for Battery (IB200)200 A Relay for Battery by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Handles 200 A Continuous And 300 A SurgesDurable Weatherproof Construction$88.99In Stock - Ships within 24 hrs
- Install Bay® - 500 A Relay Isolator for Battery (IB500)500 A Relay Isolator for Battery by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...Handles 500 A ContinuousDurable Weatherproof Construction$104.99In Stock - Ships within 24 hrs
- Install Bay® - 80 A Relay (IB80)80 A Relay by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...The IB80 Handles 80 A Continuous And 150 A SurgesPerfect For Show Systems Utilizing Lighting And Motorized Enhancementsts$22.99In Stock - Ships within 24 hrs
- Install Bay® - EcoNomy Relay Socket with 12' Leads (ERS-124)EcoNomy Relay Socket with 12' Leads by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$46.99In Stock - Ships within 24 hrs
- Install Bay® - Tyco 12 V DC 30 A Relay (E-123)Tyco 12 V DC 30 A Relay by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$9.66In Stock - Ships within 24 hrs
- Install Bay® - Water Resistant 12/24 V Prewired Relay Socket (IBW-ERS123)Water Resistant 12/24 V Prewired Relay Socket by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$10.03In Stock - Ships within 24 hrs
- Install Bay® - Water Resistant 24 V DC 30/40 A Relay (IBW-24VRL)Water Resistant 24 V DC 30/40 A Relay by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$9.35In Stock - Ships within 24 hrs
- Install Bay® - Water Resistant 24 V DC 5-Pin Relay with Prewired Socket (IBW-24VRLH)Water Resistant 24 V DC 5-Pin Relay with Prewired Socket by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$21.99In Stock - Ships within 24 hrs
- Install Bay® - Waterproof 24 V DC 5-Pin Harness & Relay (IBW-E123H)Waterproof 24 V DC 5-Pin Harness & Relay by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$16.99In Stock - Ships within 24 hrs
An electric relay is a device allowing you to control several circuits at once with the help of a relatively simple and safe low-voltage switch. These circuits can be located in different parts of the vessel, and some of them may require high current to operate. In order to function properly, a relay may have numerous terminals or work with other relays in more complex setups. Meanwhile, each of these parts contains moving electromagnetic contacts that can be normally open or normally closed, and reputable manufacturers apply expensive materials and durable coatings to make these contacts serve reliably for years to come.
Aside from their construction, relays differ by their nominal voltage and amperage. Some of them are designed for the starting and charging system, others are meant for the ignition system, still others are developed for switching electric motors or activating various auxiliary mechanisms, etc. A well-sealed housing is another crucial factor in relay production, which gets especially important when it comes to marine relays. A large assortment of such products is available in our online store. Sourced from leading brands, they offer unrivaled quality and long lifespan.
