Blue Sea Systems

The Blue Sea 3/8" Power Post with Red Boot is an insulated single stainless-steel stud designed to securely connect high amperage cables.
Sale - 10% off when added to cart!

The Blue Sea Fuse Block provides a compact, cost-effective way to add circuit protection when breaker space is limited. A single breaker can protect the main feed, while the 12-position fuse block delivers dedicated protection for each electronic device.* Fuses Sold Separately
Sale - 10% off when added to cart!

The Blue Sea Fuse Block Terminal Fuse is compact, powerful, and reliable. The MRBF Terminal Fuse Block offers 30–300A protection right at the battery. Perfect for marine and high-current DC applications.
Sale - 10% off when added to cart!

The Blue Sea Switch Battery M On/Off w/ Knob that switches a single battery to a single load group.
Sale - 10% off when added to cart!

The Blue Sea Switch Contura SPST Off-On Black turns a single circuit on and off.
Sale - 10% off when added to cart!

The Blue Sea PowerBar 600A 4 Stud BusBar is Four 3/8"-16 Studs designed to securely connect high amperage cables.
Sale - 10% off when added to cart!

Industry-Standard busbar engineered for clean, efficient positive power distribution. Along with dependable negative or AC ground circuit collection.
Sale - 10% off when added to cart!

The Blue Sea Red Cable Cap insulates single stud type connectors for high amperage devices.
Sale - 10% off when added to cart!

Blue Sea Specially designed replacement mounting nut for thermal push-button circuit breakers.
Sale - 10% off when added to cart!

Designed to replace the dress nut for mounting WeatherDeck™ panel switches.
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A simple electrical switch that controls On-Off functions for one circuit. IP67 rated for temporary immersion (up to 30 minutes) when used with a WeatherDeck® toggle switch boot.
Sale - 10% off when added to cart!

The Blue Sea Fuse Block provides a compact, cost-effective way to add circuit protection when breaker space is limited. A single breaker can protect the main feed, while the 6-position fuse block delivers dedicated protection for each electronic device.* Fuses Sold Separately
Sale - 10% off when added to cart!

The Blue Sea waterproof in-line ATO/ATC fuse holder provides dependable circuit protection where moisture, dirt, and vibration are concerns. Built for durability, it’s perfect for marine and mobile electrical systems.
Sale - 10% off when added to cart!

The Blue Sea Battery Switch M-Series Selector switches isolated battery banks to all loads or combines battery banks to all loads.
Sale - 10% off when added to cart!

The Blue Sea Circuit Breaker Push Button 5A is a push button quick connect circuit breaker ideal for automotive, marine, and industrial applications.
Sale - 10% off when added to cart!

The Blue Sea Circuit Breaker Push Button 10A is a push button quick connect circuit breaker ideal for automotive, marine, and industrial applications.
Sale - 10% off when added to cart!

The Blue Sea Circuit Breaker Push Button 15A is a push button quick connect circuit breaker ideal for automotive, marine, and industrial applications.
Sale - 10% off when added to cart!

The Blue Sea Circuit Breaker Buss 285 SfcMt 60A provides circuit protection and switching functions in one unit. Is a replacement for 185 series circuit breakers.
Sale - 10% off when added to cart!

The Blue Sea Selector Battery Switch e-Series is a 4 position selector switch that switches isolated battery banks to all loads or combines battery banks to all loads.
Sale - 10% off when added to cart!