Blue Sea Systems

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (de... More Details

Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insulator WARNING: This product can expose you to chemicals i... More Details

PowerBar Common BusBar Terminal Studs: 2x3/8"-16 Provides compact high-ampere busing with 3/8" terminal studs WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (deh... More Details

PowerBar Dual BusBar - Two 3/8"-16 Studs Provides compact high-ampere busing with 3/8" terminal studs Specifications: Maximum Amperage: 200A Maximum Voltage: 48V DC Number of Terminal Studs: 2 Termina... More Details

2101 PowerPost Plus Cable Connector - 1/4" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit. Features: 150AMP bus allows small wire connections at hi... More Details

2102 PowerPost Plus Cable Connector - 5/16" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit. Features: 150 Ampere bus allows small wire connections ... More Details

2103 PowerPost Plus Cable Connector 3/8" Stud  Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit. Features: 150 Ampere bus allows small wire connections at... More Details

2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal Specifications: Max Voltage: 300 V AC/48 V DC Number of Terminal Studs: 4 Terminal Type: 3/8" - 16 Stud WARNING: This product can expose y... More Details

2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal Screws Busbars are used to consolidate multiple wires or feed multiple circuits. Features: Insert molded stainless steel studs eliminate need for s... More Details

2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal Specifications: Maximum Voltage: 300 V AC/48V DC Number of Terminal Studs: 8 Terminal Type: 3/8" - 16 Stud WARNING: This product can ex... More Details

6 x 5⁄16- 18 Stud Terminal Part# 2126 Specifications Continuous Amperage 250 Amperes AC/DC Voltage Rating 300 Volts AC Maximum / 48 Volts DC Maximum Bus Material Tin-Plated Copper CDA 110 / UNS 11000 ... More Details

4 x 5⁄16- 18 Stud Terminal Part# 2127 Specifications Continuous Amperage 250 Amperes AC/DC Voltage Rating 300 Volts AC Maximum / 48 Volts DC Maximum Bus Material Tin-Plated Copper CDA 110 / UNS 11000 ... More Details

2 x 5⁄16"- 18 Stud Terminal 6 x#10-24 Terminal Screws Part# 2128 Specifications Continuous Amperage 250 Amperes AC/DC Voltage Rating 300 Volts AC Maximum / 48 Volts DC Maximum Bus Material Tin-Plated ... More Details

2138 Amperage: 15A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2139 Amperage: 20A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2140 Amperage: 30A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2141 Amperage: 40A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2142 Amperage: 50A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2143 Amperage: 60A Features: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit protection configurations Push-to-reset operation "Trip... More Details

2145 Pole/Throw: SPDT Action: (ON) OFF (ON) Features: Vibration, shock, thermoshock, moisture and salt spray resistant WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phtha... More Details

2146 Pole/Throw: SPDT Action: ON OFF ON Features: Vibration, shock, thermoshock, moisture and salt spray resistant WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate... More Details

2151 Features: New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC Main, inverter, windlass, and bow thruster circuit prot... More Details

2155 - Remote Control Contura Switch  with Lockout Slide Vibration, shock, thermoschock, moisture and salt spray resistant Lockout slide reduces the risk of accidental switching Certifications: Meets ... More Details

Terminal Feed Through Connectors Eliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads. Features: Perfect for passing high current cables through hul... More Details

Terminal Feed Through Connectors Eliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads. Features: Perfect for passing high current cables through hul... More Details

Terminal Feed Through Connectors Eliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads. Features: Perfect for passing high current cables through hul... More Details

Terminal Feed Through Connectors Eliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads. Features: Perfect for passing high current cables through hul... More Details

230 Volt AC 8 Position 360 Panel This 360 Panel System consists of modules. Each module contains a meter, a battery switch, and 8 circuit-labeled positions. Features: All circuit label positions are b... More Details

230 Volt AC Main + 2 Positions Features: All circuit label positions are backlit “ON” indicates LEDs installed in all circuit positions Includes 4206 - Square Format Label Set Specifications: Position... More Details

2300 150AMP Common BusBar 10 x #8-32 Screw Terminal with Cover Features: Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs and screws allow high to... More Details

2301 150AMP Common BusBar 10 x #8-32 Screw Terminal  Features: Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs and screws allow high torquing for... More Details

2302 150AMP Common BusBar 20 x 8-32 Screw Terminal Features: The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits Sp... More Details

2303 150AMP Common BusBar 4 x 1/4" Stud Terminal Features: Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs allow high torquing for excellent elec... More Details

2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal Features: Great for limited space applications in electronics cabinets and under dashboards WARNING: This product can expose you to chemic... More Details

2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal Features: Great for limited space applications in electronics cabinets and under dashboards WARNING: This product can expose you to chemic... More Details

2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw Terminal Features: Great for limited space applications in electronics cabinets and under dashboards WARNING: This product can expose ... More Details

2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover Features: The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits S... More Details

150 Ampere Common Busbar 20 x 8-32 Screw Terminal with Cover PN:   2312 Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs and screws allow high tor... More Details

MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover PN:   2314 Great for limited space applications in electronics cabinets and under dashboards Snap on insulating cover attaches to st... More Details

MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with Cover PN:  2315 Great for limited space applications in electronics cabinets and under dashboards Snap on insulating cover attaches to stu... More Details

Battery Terminal Mount BusBars Easy to install. Specifications: Maximum Voltage: 32V DC Continuous Rating: 100A DC Bus Material: Tin-Plated Copper C11000 Mounting Hole: Clearance for 3/8 [M10] stud Sc... More Details

2356 Water Resistant BusBar - 100 Amp with Cover Provides secure water-resistant bussing for harsh environments. The single side nesting design allows for wire entry from one side to maximize space. F... More Details

2356100 - Water Resistant 100A Busbar with Cover Water-resistant bussing for harsh environments.  Built with wing screws for toolless access. Features: Accepts a wide range of wire sizesIncludes 3 wir... More Details

2402 Terminal Black 20AMP - 2 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2404 Terminal Black 20AMP - 4 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2406 Terminal Block 20AMP - 6 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2408 Terminal Block 20AMP - 8 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2410 Terminal Block 20AMP - 10 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits... More Details

2502 Terminal Block 30AMP - 2 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuit W... More Details

2504 Terminal Block 30AMP - 4 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2506 Terminal Block 30AMP - 6 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2508 Terminal Block 30AMP - 8 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2510 Terminal Block 30AMP - 10 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuit ... More Details

2512 Terminal Block 30AMP - 12 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits... More Details

2602 Terminal Block 65AMP - 2 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2604 Terminal Block 65AMP - 4 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

Terminal Block 65AMP - 6 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits WARNI... More Details

2608 Terminal Block 65AMP - 8 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits ... More Details

2610 Terminal Block 65AMP - 10 Circuit Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuits... More Details

2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw Terminal Features: Combines negative and positive buses on one block WARNING: This product can expose you to chemicals including di(2-ethylhexyl)p... More Details

2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw Terminal Features: Combines negative and positive buses on one block Tin-Plated Copper CDA 110 / UNS 11000 UL 94-V0 Rated, Glass Reinforced Thermoplas... More Details

2708 BusBar Cover for PowerBar 2104 Specifications: Dimensions: 8.500" x 3.375" x 2.750" WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to ... More Details

2709 Cover For DualBus for 2701 Specifications: Length: 4-3/16" Height: 7/8" Width: 2-1/2" Weight: 0.03lb WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) w... More Details

2710 Cover for DualBus 2702 Specifications: Length: 6-3/8" Height: 7/8" Width: 2-3/8" Weight: 0.04lb WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which ... More Details

Cover for 2304 and 2305 Great for limited space applications Base Material: Reinforced Polycarbonate Cover Material: Clear Polycarbonate Continuous Amperage: 100 Amperes AC/DC Voltage Rating: 300 Volt... More Details

2715 Cover for BusBar 2301 & 2303 Features: Weight: 0.08lb (0.04 kg) WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of Califor... More Details

Cover for Busbar The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits WARNING: This product can expose you to chemic... More Details

Maxibus Cover Part# 2718 Cover for 2105 & 2106WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, bi... More Details

Maxibus Cover Part# 2719 Cover for 2127 & 2128WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, bi... More Details

2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw Terminal Features: Combines negative and positive buses on one block Clear polycarbonate cover snaps on to meet Coast Guard and ABYC insulation require WAR... More Details

2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw Terminal Features: Combines negative and positive buses on one block Clear polycarbonate cover snaps on to meet Coast Guard and ABYC insulation require... More Details

HD-Series Battery Switch Single Circuit ON/OFF Features: 600 Ampere Continuous Rating Accepts two 4/0 battery cables per terminal Ignition protected - safe for installation aboard gasoline-powered boa... More Details

3001 HD-Series Battery Switch Single Circuit ON/OFF with AFD Features: 600 Ampere Continuous Rating Accepts two 4/0 battery cables per terminal Ignition protected - safe for installation aboard gasoli... More Details

3002 HD-Series Battery Switch Selector Features: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition protected - safe for installation aboard gasoline powered boats .870" (22.01mm) stud l... More Details

3003 HD-Series Battery Switch Selector with Alternator Field Disconnect  Features: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition protected - safe for installation aboard gasoline po... More Details

3113 - SMS Panel Enclosure with 6 Blank Circuits The 3113 panel enclosure is built for main circuit breakers and other large frame devices.  Meets ABYC E-11 when used with an ELCI Main circuit breaker... More Details

3116 - SMS Panel Enclosure with ELCI (30A) and 3 Blanks - 120V The 3116 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devices. ... More Details

3117 - SMS Panel Enclosure with 2 ELCI (30A) - 120V AC The 3117 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devices.  Meets A... More Details

3118 - SMS Panel Enclosure with ELCI (50A) and 2 Blanks  - 120V AC The 3118 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devic... More Details

3119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit Position The 3119 panel enclosure is for ELCI Main circuit breakers and other large frame devices. Meets A... More Details

3120 - SMS Panel Enclosure with ELCI Main (50A) and 2 Blanks - 240V The 3120 panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devi... More Details

3121 - SMS Panel Enclosure with ELCI (16A) & 3 Blanks - 230V AC The 3121-panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devices.... More Details

3122 - SMS Panel Enclosure with ELCI (16A) & 2 Branch (8A) - 230V AC The 3122-panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame dev... More Details

3123 - SMS Panel Enclosure with ELCI (32A) & 3 Blanks - 230V AC The 3123-panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame devices.... More Details

3124 Small Cable Gland #14-#10 Single Wire Features: Used with PN 3116 & PN 3119 SMS Enclosure Gland - PG7 for #14 to #10 Wire More Details

Medium Cable Gland - #14-#10 Cable SMS Enclosure Gland PG16 Accepts Cable #14-10 (3 Conductor) WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is kno... More Details

3126 SMS Enclosure Large Cable Gland PG29 - #6 Cable Features: Accepts Cable #6 (4 Conductor)  Large Cable Gland More Details

3128 - SMS Panel Enclosure with ELCI (30A) & 3 Branch (15A) - 120V AC The 3128-panel enclosure is built for Equipment Leakage Circuit Interrupters (ELCI) main circuit breakers and other large frame de... More Details

3130 - SMS Panel Enclosure with Main & 3 Branch (15A) - 120V AC The 3130-panel enclosure is built with UL-489 Circuit Breakers to meet CFR 46 / Coast Guard requirements.  Features: Blank apertures for... More Details

3131 Surface Mount Circuit Breaker Enclosure Surface mount option for mounting single and double pole circuit breakers Surface mount box for mounting single and double pole circuit breakers Accepts A-... More Details

3133 - SMS Panel Enclosure with Main & 3 Branch (12/24V) - 12/24V DC The 3133-panel enclosure for DC circuit breakers and other large frame devices. Features:  Blank apertures for custom breaker loadi... More Details

3134 - SMS Panel Enclosure with 4 Branch (12/24V) - 12/24V DC  The 3134-panel enclosure for DC circuit breakers and other large frame devices. Features:  Blank apertures for custom breaker loading Gla... More Details

3135 - SMS Panel Enclosure with UL Main & 3 Branch (12/24V) - 12/24V DC The 3135-panel enclosure for DC circuit breakers and other large frame devices. Features:  Blank apertures for custom breaker lo... More Details

AC Toggle Source Selector (European) PN: 8566 White Switches (2) 16A Double Pole Circuit Breakers Installed (6) 8A Single Pole Circuit Breakers Installed Features: Double pole AC main circuit breakers... More Details

360 Panel - Blank Provides a 360 Panel System platform for mounting equipment, switching, and monitoring functions. Features: Suitable for mounting accessories and for pad printing Dimensions: 4.88" W... More Details

360 Panel Conversion Kit - 12 to 24 V DC Features: Convert a 12 Volt DC 360 Panel with rocker or toggle circuit breakers to a 24 Volt panel Requires one kit per 12 Volt DC circuit breaker module Inclu... More Details

4001 Rotating Single Entry CableCap - Small Pair  Features: Cable Size - All Pair - Red/Black Top rotates 360° to allow cable entry from any angle For batteries with integral marine wing nut posts WAR... More Details

Dual Entry PowerPost Cable Insulator, Black Part# 4002 Protects against accidental short circuits Top lid allows for easy access to connection point Cable Size: up to 2/0 AWG Cable Size Metric: up to ... More Details

Dual Entry PowerPost Cable Insulator, Red Part# 4003 Protects against accidental short circuits Top lid allows for easy access to connection point Cable Size: up to 2/0 AWG Cable Size Metric: up to 70... More Details

4005 Standard CableCap - Small Pair Features: Cable Size - 4, 2, 1 Pair - Red/Black Insulates battery terminals which have added adapter terminals For batteries with marine adapter terminals added on ... More Details