The Blue Sea Systems AC Rotary Switch (Model 9009) is a heavy-duty, industrial-rated switch designed for marine and RV applications. It allows users to select between two 120V AC power sources, such as shore power and a generator, with an OFF position...

ML-ACR Automatic Charging Relay Manual 24V 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting the engine. Features Manual control switch provides an...

ML-ACR Automatic Charging Relay Manual 12V 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting the engine Features Manual control switch provides an added...

ML-RBS Remote Battery Switch 12V 500 Amp magnetic latching switch provides high-amperage switching under load, manually, or from remote locations. Features Manual override knob provides an added level of safety, allowing control with or without power...

The Blue Sea Systems Gray 60 Label Set (Model 8217) is an essential accessory for organizing and enhancing the functionality of your marine electrical systems. Designed for durability and clarity, this set includes 60 small-format labels featuring common...

The Blue Sea Systems Class T Fuse Block 225-400A (Model 5502) is a heavy-duty, high-performance solution designed for fast-acting circuit protection in high-current marine, RV, and industrial applications. Engineered to meet the rigorous demands of...

The Blue Sea Systems ANL Fuse 40A (Model 5165) is a high-quality, ignition-protected fuse designed for reliable circuit protection in marine, automotive, and RV applications. Engineered to meet stringent safety standards, this fuse is ideal for use with...

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The Blue Sea Systems Square Format Label Set - 30 (Model 4215) is a high-quality, weatherproof labeling solution designed for marine and specialty vehicle electrical systems. This set includes 30 black DC labels crafted from durable, reinforced...

The Blue Sea Systems 360 Panel Conversion Kit 12 to 24V DC (Model 4113) is a specialized solution designed to upgrade your Blue Sea Systems 360 Panel from a 12V DC to a 24V DC system. This kit is perfect for marine, RV, and off-grid applications where a...

The Blue Sea Systems PowerBar Dual BusBar - Two 3/8"-16 Studs (Model 2020) is a compact, high-performance solution for managing high-amperage connections in marine, RV, and automotive electrical systems. Designed to securely connect high-amperage cables,...

PowerPost - 1/4"-20 Stud Insulated single stainless steel stud terminates multiple large conductors: Connects high amperage cables securely Stud dimensions: 1/4" x 1-1/16" Base Material is PBT UL94 V0 Specifications Color: Red Maximum Voltage: 48V...

The advantage of a resettable circuit breaker over a fuse is well known however people find circuit breakers more expensive and difficult to install. The ST CLB Circuit Breaker Block solves this issue by using the compact, snap-in-place CLB resettable...

Waterproof In-Line AGC/MDL Fuse Holder Features Accepts 12-16 AWG wire 20A Maximum fuse amperage Fuse sold separately Specifications Weight: 0.1lb (0.05 kg) Weight: 0.03lb (0.01 kg)

Features Easily installed in any Blue Sea Systems circuit breaker panel Simple push-in installation mounts in any thickness of material Useful as a general indicator and alarm lights Specifications Nominal Voltage 12V DC24V...

Terminal Block Jumper for 30A Terminal Blocks Features Jumpers allow creation of common circuits on independent connectors Fits 30 Ampere terminal blocks (2500 Series) 5 in Retail Pack Specifications Bus Material: Nickel-Plated Brass Weight: 0.04lb...

The Blue Sea Systems Contura Mounting Bracket - Single is a high-quality, modular mounting solution designed for Contura-style switches. Ideal for marine and RV applications, this bracket allows for secure installation of a single switch, ensuring...

Standard CableCap - Large Pair Insulates battery terminals which have added adapter terminals Feature For batteries with marine adaptor terminals added on Specifications Color: Black and Red Cable Size: 1/0, 2/0 Material: PVC Weight: 0.22lb (0.1...

AGC Fuse - 30 Amp Features For use with Blue Sea Systems' ST Glass Fuse Blocks and AGC® or MDL® fuse holders AGC® and MDL® fuses are typically used in DC systems up to 32V DC AGC® fuses to 10A are rated for use in AC at 125V AC and...

Panel Mount AGC/MDL Fuse Holder Replacement Cap Feature Replaces cap for 5021 Specification Weight: 0.03lb (0.01 kg)  

DualBus 100 BusBar Cover for PN 2701 Specifications Length: 4 3⁄16 in (106.36 mm) Height: 7⁄8 in (22.23 mm) Width: 2 1⁄2 in (63.5 mm) Weight: 0.03lb (0.01 kg) Works with DualBus 100A BusBar - 5 Circuit

Pack of 5 AGC Fuses from Blue Sea. Specifications Amperage: 1A, 3A, 5A, 10A, 15A Maximum Voltage: 32V DC Weight: 0.03lb (0.01 kg)

MaxiBus 250A BusBar - Four 5/16"-18 Studs Busbars are used to consolidate multiple wires or feed multiple circuits Features Insert molded stainless steel studs eliminate need for securing nut and allow high torquing for excellent electrical...

Features Easily installed in any Blue Sea Systems circuit breaker panel Simple push-in installation mounts in any thickness of material Useful as a general indicator and alarm lights Specifications Nominal Voltage 12V DC24V...

The Blue Sea Contura SPDT (ON)-OFF-ON Switch with gray actuator is a rugged, marine-grade switch designed for reliable circuit control in demanding onboard environments. Engineered for use with Blue Sea Systems water-resistant panels, this switch is...

C-Series White Toggle Circuit Breaker - Single Pole 25 Amp Features Provides overcurrent protection for inverters, bow thrusters, and windlasses Combines switching and circuit protection into a single device "Trip Free"- cannot be held closed after...

In an electrical power system onboard a boat, the busbar is a bar of tin-plated copper that conducts electricity within a switchboard, distribution board, substation, battery bank, or other electrical apparatus. Blue Sea Bus Bars are marine protected...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 8 Length 5.50in (139.7 mm) Maximum Voltage 600V...

Blue Sea C-Series White Toggle Circuit Breaker - Single Pole 100 Amp Features Provides overcurrent protection for inverters, bow thrusters, and windlasses Combines switching and circuit protection into a single device "Trip Free"- cannot be held closed...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 4 Length 3.25in (82.55 mm) Maximum Voltage 600V...

Blue Sea DC Ammeter - 50-0-50A with Shunt Features Meters read both discharge and charge current Simple 4-wire connection from shunt Meter senses and powers from shunt connection Includes appropriate DC shunt Backlit meter face (separate 12 or 24V DC...

Bue Sea A-Series White Toggle Circuit Breaker - Single Pole 15A Features Meets American Boat and Yacht Council (ABYC) standards The industry standard circuit breaker for Blue Sea Systems' electrical panels Combines switching and circuit protection into...

Mounting Panel Single Meter Features Panel mounts standard 2-3/4" Analog or Digital Meters Includes mounting screws and center adjustment hole plug Specifications Height: 4.75 in. (120.65 mm) Width: 4.88 in. (123.95 mm) Weight: 0.56lb (0.25...

Bue Sea A-Series Black Toggle Circuit Breaker - Single Pole 5A Features Meets American Boat and Yacht Council (ABYC) standards The industry standard circuit breaker for Blue Sea Systems" electrical panels Combines switching and circuit protection into a...

Features Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Jumpers allow creation of common circuits Specifications Circuits 10 Length 6.63in (168.4 mm) Maximum Voltage 600V...

Features Great for limited space applications Strict quality control and thorough testing Offered at a reasonable price Exquisite craftsmanship and reliable design Specifications Maximum Voltage 48V DC Number of Screw Terminals 6 Terminal...

Features Easily installed in any Blue Sea Systems circuit breaker panel Simple push-in installation mounts in any thickness of material Useful as a general indicator and alarm lights Specifications Nominal Voltage 12V DC24V...

A-Series Double Blank Mounting Panel Features Mounts A-Series Double Pole Toggle Circuit Breakers Slate gray matches standard panel color 1/8" aluminum 5052 alloy Accepts Blue Sea Systems" Large Format Panel label Specifications Panel Material: Heavy...

These Motorized Switches offer remotely activated, high current, emergency parallel connection suitable for emergency starting of large engines (up to 2500A for 10 seconds). The emergency parallel functionality is conveniently operated via a momentary...

Common 150A BusBar - Four 1/4"-20 Studs with Cover Features The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits Specifications Maximum Voltage: 300V AC, 48V DC Number...