U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
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Premium Marine Quality Parts

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Blue Sea 4027 AC Isolation Cover - 5-1/4 x 7-1/2x3

Switches & Accessories, Blue Sea Systems
$73.97
4027 AC Isolation Cover - 5-1/4 x 7-1/2x3 Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for panel backs protruding into lockers Lightweight material i... More Details

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Blue Sea 4028 AC Isolation Cover - 7-1/2 x 10-1/2x3

Switches & Accessories, Blue Sea Systems
$194.53
4028 AC Isolation Cover - 7-1/2 x 10-1/2x3 Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for panel backs protruding into lockers Lightweight material ... More Details

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Blue Sea 4029 AC Isolation Cover - 8 Position, 1 Column

Switches & Accessories, Blue Sea Systems
$324.68
4029 AC Isolation Cover - 8 Position, 1 Column Features: Provides electrical insulation for exposed panel backs Provides mechanical protection for panel backs protruding into lockers Lightweight mater... More Details

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Blue Sea 4100 Toggle Guard

Switches & Accessories, Blue Sea Systems
$8.21
4100 Toggle Guard Features: Protects circuit breakers from being accidentally switched ON or OFF Fits all A-Series single pole circuit breakers Fits all panel switches Can be used on any brand of circ... More Details

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Blue Sea 4111 360 Panel Adapter for Push Button Reset Only

Switches & Accessories, Blue Sea Systems
$12.32
4111 360 Panel Adapter for Push Button Reset Only Features: Adapts Push Button Reset-Only Thermal Circuit Breaker to Blue Sea Systems' rocker panels and new battery management panels WARNING: This pro... More Details

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Blue Sea 4125 AC A-Series Circuit Breaker Lockout Slide

Switches & Accessories, Blue Sea Systems
$34.24
4125 AC A-Series Circuit Breaker Lockout Slide  Features: Allows only 1 double pole AC circuit breaker to be activated at a time Guarantees that AC power from 2 sources (shore power and genset or inve... More Details

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Blue Sea 4126 AC A-Series Circuit Breaker Lockout Slide

Switches & Accessories, Blue Sea Systems
$36.98
4126 AC A-Series Circuit Breaker Lockout Slide Features: Allows only 1 double pole AC circuit breaker to be activated at a time Guarantees that AC power from 2 or 3 sources (shore power and genset or ... More Details

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Blue Sea 4130 Lockout Slide 2 Position 2 Pole C-Series

Switches & Accessories, Blue Sea Systems
$65.75
4130 Lockout Slide 2 Position 2 Pole C-Series Features: Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated at a time Guarantees that AC power from 2 sources (pow... More Details

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Blue Sea 4131 Lockout Slide 2 Position 3 Pole C-Series

Switches & Accessories, Blue Sea Systems
$65.75
4131 Lockout Slide 2 Position 3 Pole C-Series Features: Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated at a time Guarantees that AC power from 2 sources (pow... More Details

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Blue Sea 4135 Push Button Reset Only Circuit Breaker Boot - Clear- 2-Pack

Switches & Accessories, Blue Sea Systems
$9.58
Clear Push Button Circuit Breaker Boot - 2-Pack Features: Replaces standard mounting nut for mounting on Thermal Push Button Circuit Breakers only UV resistant material resists discoloration and crack... More Details

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Blue Sea 4136 Push Button Reset Only Circuit Breaker Boot - White - 2-Pack

Switches & Accessories, Blue Sea Systems
$9.58
4136 Push Button Reset Only Circuit Breaker Boot - White - 2-Pack  Features: Replaces standard mounting nut for mounting on Thermal Push Button Circuit Breakers only UV resistant material resists disc... More Details

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Blue Sea 4137 Push Button Reset Only Circuit Breaker Boot - Black

Switches & Accessories, Blue Sea Systems
$9.58
4137 Push Button Reset Only Circuit Breaker Boot - Black Features: Replaces standard mounting nut for mounting on Thermal Push Button Circuit Breakers only UV resistant material resists discoloration ... More Details

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Blue Sea 4138 WeatherDeck® Toggle Switch Boot - Black

Switches & Accessories, Blue Sea Systems
$9.58
4138 WeatherDeck® Toggle Switch Boot - Black Features: Replaces dress nut for mounting on WeatherDeck™ Panel Switches Rated IP67-temporary immersion for 30 minutes UV resistant material resists discol... More Details

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Blue Sea 4141 Switch Meter Toggle SPTT On-On-On

Switches & Accessories, Blue Sea Systems
$31.50
4141 Switch Meter Toggle SPTT On-On-On Used for battery bank selection with voltmeters, or multimeters, in digital, or analog format. Features: Include a three position battery bank label More Details

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Blue Sea 4150 WeatherDeck Toggle Switches

Switches & Accessories, Blue Sea Systems
$20.54
4150 WeatherDeck Toggle Switch Pole/ThrowSPSTActionOFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck Toggle Sw... More Details

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Blue Sea 4151 WeatherDeck Toggle Switches

Switches & Accessories, Blue Sea Systems
$21.91
4151 WeatherDeck Toggle Switch Pole/ThrowSPSTActionOFF-(ON) Momentary Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDe... More Details

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Blue Sea 4152 WeatherDeck Toggle Switch

Switches & Accessories, Blue Sea Systems
$21.91
4152 WeatherDeck Toggle Switch Pole/ThrowSPDTActionON-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck Toggle... More Details

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Blue Sea 4153 WeatherDeck Toggle Switch

Switches & Accessories, Blue Sea Systems
$21.91
4153 WeatherDeck Toggle Switch Boot Pole/ThrowSPDTAction(ON)-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck... More Details

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Blue Sea 4154 WeatherDeck Toggle Switch (on)-off-(on)

Switches & Accessories, Blue Sea Systems
$21.91
4154 WeatherDeck Toggle Switch Pole/ThrowSPDTAction(ON)-OFF-(ON) Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck To... More Details

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Blue Sea 4155 WeatherDeck Toggle Switch

Switches & Accessories, Blue Sea Systems
$61.64
4155 WeatherDeck Toggle Switch Pole/ThrowDPDTActionON-OFF-ON Specially manufactured by Carling Technologies for use in Blue Sea Systems' WeatherDeck™ Panels When mounted with a WeatherDeck Toggle... More Details

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Blue Sea 4160 SS Push Button Switch - Off-On - Blue - 10A

Switches & Accessories, Blue Sea Systems
$54.79
4160 SS Push Button Switch - Off-On - Blue - 10A 10A continuous Single Pole Double Throw or Single Pole Single Throw Can be wired for normally open or normally closed Installs with .110inch quick conn... More Details

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Blue Sea 4161 SS Push Button Switch - Off-(On) - Blue - 10A

Switches & Accessories, Blue Sea Systems
$54.79
4161 SS Push Button Switch - Off-(On) - Blue - 10A 10A continuous Single Pole Double Throw or Single Pole Single Throw Can be wired for normally open or normally closed Installs with .110inch quick co... More Details

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Blue Sea 4162 SS Push Button Switch - Off-On - Red - 10A

Switches & Accessories, Blue Sea Systems
$54.79
4162 SS Push Button Switch - Off-On - Red - 10A 10A continuous Single Pole Double Throw or Single Pole Single Throw Can be wired for normally open or normally closed Installs with .110inch quick conne... More Details

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Blue Sea 4163 SS Push Button Switch - Off-(On) - Red - 10A

Switches & Accessories, Blue Sea Systems
$54.79
4163 SS Push Button Switch - Off-(On) - Red - 10A 10A continuous Single Pole Double Throw or Single Pole Single Throw Can be wired for normally open or normally closed Installs with .110inch quick con... More Details

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Blue Sea 4180 Backlit Push Button Switch OFF/ON - 15A

Switches & Accessories, Blue Sea Systems
$150.69
4180 Backlit Push Button Switch OFF/ON - 15A Features: Backlit button is blue when OFF and red when ON Five ICON labels included: Accessory, Lights, Anchor Light, Running Light, and Bilge Pump Additio... More Details

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Blue Sea 4181 Backlit Push Button Switch OFF/(ON) - 15A

Switches & Accessories, Blue Sea Systems
$150.69
4181 Backlit Push Button Switch OFF/(ON) - 15A Features: Backlit button is blue when OFF and red when ON Five ICON labels included: Accessory, Lights, Anchor Light, Running Light, and Bilge Pump Addit... More Details

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Blue Sea 4215 Square Format Label Set - 30

Switches & Accessories, Blue Sea Systems
$31.50
4215 Square Format Label Set 30 Black DC Labels 30 common DC labels Included with WeatherDeck Waterproof Panels Reinforced, weatherproof material Used on WeatherDeck Waterproof Panels Used on Battery ... More Details

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Blue Sea 4216 Square Format Label Set - 60

Switches & Accessories, Blue Sea Systems
$34.24
4216 Square Format Labels Set 60 common DC labels. Reinforced, weatherproof material Used on WeatherDeck Waterproof Panels Used on Battery Management Panels Used on 360 panel system WARNING: This prod... More Details

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Blue Sea 4217 Square Format Label Set - 120

Switches & Accessories, Blue Sea Systems
$45.20
4217 Square Format Label Set 120 Black DC labels 120 common DC labels Reinforced, weatherproof material Used on WeatherDeck Waterproof Panels Used on Battery Management Panels Used on 360 Panel System... More Details

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Blue Sea 4218 Square Format Label Set for Battery Management Panels - 30

Switches & Accessories, Blue Sea Systems
$31.50
4218 Square Format Label Set for Battery Management Panels 30 Black DC Labels 30 Common DC Labels Included with Batery Main Distribution Panels Reinforced, weatherproof material Used on WeatherDeck Wa... More Details

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Blue Sea 4230 Push Button Switch Label Kit

Switches & Accessories, Blue Sea Systems
$28.76
4230 Push Button Switch Label Kit 50 ICON Labels used on Backlit Push Button Switches Scratch resistant polycarbonate material Back printed for durability Waterproof adhesive for longevity in wet envi... More Details

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Blue Sea 4302 WeatherDeck Water Resistant Fuse Panel - 2 Position - Grey

Electrical Panels, Blue Sea Systems
$115.07
WeatherDeck™ Water Resistant Fuse Panel PN: 4302 Color: Gray Features: Panel front rated IP67 when properly mounted with watertight mounting gasket IP67 – protected against immersion up to 1 meter for... More Details

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Blue Sea 4303 WeatherDeck® 12V DC Waterproof Switch Panel - 2 Position

Electrical Panels, Blue Sea Systems
$76.71
WeatherDeck® 12V DC Waterproof Switch Panel - 2 Position Integrated switch guards reduce the risk of accidental switching Panels can be mounted in four different orientations Panel front rated IP67 wh... More Details

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Blue Sea 4304 WeatherDeck Water Resistant Fuse Panel - 4 Position - Grey

Electrical Panels, Blue Sea Systems
$183.57
WeatherDeck™ Water Resistant Fuse Panel PN: 4304 Color: Gray Features: Panel front rated IP67 when properly mounted with watertight mounting gasket IP67 – protected against immersion up to 1 meter for... More Details

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Blue Sea 4305 WeatherDeck® 12V DC Waterproof Switch Panel - 4 Posistion

Electrical Panels, Blue Sea Systems
$110.96
WeatherDeck® 12V DC Waterproof Switch Panel - 4 Position Integrated switch guards reduce the risk of accidental switching Panels can be mounted in four different orientations Panel front rated IP67 wh... More Details

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Blue Sea 4306 WeatherDeck Water Resistant Fuse Panel - 6 Position - Grey

Electrical Panels, Blue Sea Systems
$258.92
WeatherDeck™ Water Resistant Fuse Panel PN: 4306 Color: Gray Features: Panel front rated IP67 when properly mounted with watertight mounting gasket IP67 – protected against immersion up to 1 meter for... More Details

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Blue Sea 4307 WeatherDeck® 12V DC Waterproof Switch Panel - 6 Position

Electrical Panels, Blue Sea Systems
$146.58
WeatherDeck® 12V DC Waterproof Switch Panel - 6 Position Integrated switch guards reduce the risk of accidental switching Panels can be mounted in four different orientations Panel front rated IP67 wh... More Details

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Blue Sea 4308 WeatherDeck Water Resistant Fuse Panel - 8 Position - Grey

Electrical Panels, Blue Sea Systems
$364.41
WeatherDeck™ Water Resistant Fuse Panel PN: 4308 Color: Gray Features: Panel front rated IP67 when properly mounted with watertight mounting gasket IP67 – protected against immersion up to 1 meter for... More Details

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Blue Sea 4309 WeatherDeck® 12V DC Waterproof Switch Panel - 8 Position

Electrical Panels, Blue Sea Systems
$182.20
WeatherDeck® 12V DC Waterproof Switch Panel - 8 Position Integrated switch guards reduce the risk of accidental switching Panels can be mounted in four different orientations Panel front rated IP67 wh... More Details

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Blue Sea 4320 Circuit Breaker Switch Panel 4 Position - Gray

Electrical Panels, Blue Sea Systems
$97.26
4320 Circuit Breaker Switch Panel 4 Position - Gray Designed for exposed mounting applications. Features: Illuminated 15A circuit breakers provide switching, “ON” indication and overcurrent protection... More Details

4321 Circuit Breaker Switch Panel 4 Position - Gray with 12V Socket & Dual USB  Designed for exposed mounting applications. Features: Illuminated 15A circuit breakers provide switching, “ON” indicatio... More Details

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Blue Sea 4322 Circuit Breaker Switch Panel 6 Position - Gray

Electrical Panels, Blue Sea Systems
$124.66
4322 Circuit Breaker Switch Panel 6 Position - Gray Designed for exposed mounting applications. Features: Illuminated 15A circuit breakers provide switching, “ON” indication and overcurrent protection... More Details

4363 Water Resistant USB Accessory Panels - 15A Circuit Breaker, 12V Socket, 2.1A Dual USB Charger Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness. Panels o... More Details

4364 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 2x Blank Apertures Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness. Panels offer customizabl... More Details

4365 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 12V Socket, 2x 2.1A Dual USB Chargers Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness. Panel... More Details

4366 Water Resistant USB Accessory Panel - Circuit Breaker, 12V Socket, Dual USB Charger, Mini Voltmeter Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness. Pa... More Details

4367 Water Resistant USB Accessory Panel - 15A Circuit Breaker, 3x Blank Apertures Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness. Panels offer customizabl... More Details

4368 Water Resistant USB Accessory Panel - 12V Socket, 2x 2.1A Dual USB Chargers, Mini Voltmeter Easy to install accessory panels include a 15A circuit breaker switch and pre-wired harness.  Panels of... More Details

WeatherDeck™ Water Resistant Circuit Breaker Panel PN: 4374 Color: Gray Features: Rated IP67-temporary immersion for 30 minutes Designed for flybridge and open cockpit applications Independent label b... More Details

WeatherDeck™ Water Resistant Circuit Breaker Panel PN: 4376 Color: Gray Features: Rated IP67-temporary immersion for 30 minutes Designed for flybridge and open cockpit applications Independent label b... More Details

WeatherDeck™ Water Resistant Circuit Breaker Panel PN: 4378 Color: Gray Features: Rated IP67-temporary immersion for 30 minutes Designed for flybridge and open cockpit applications Independent la... More Details

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Blue Sea 5001 Fuse Block MEGA 100-300A w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$57.53
5001 Fuse Block MEGA 100-300A with Cover  Features: The most economical system for 100-300 Ampere fusing Insulating cover satisfies ABYC/USCG requirements and cover breakouts allow wire access in any ... More Details

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Blue Sea 5005 ANL 35-300AMP Fuse Block w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$64.38
5005 ANL 35-300AMP Fuse Block with Cover Features: Insulating cover satisfies ABYC/USCG requirements and cover breakouts allow access in any direction For use on systems up to 32V DC Large 5/16" - 18 ... More Details

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Blue Sea 5006100 MAXI Fuse Block - 30-80A

Fuse Blocks & Fuses, Blue Sea Systems
$67.12
MAXI Fuse Block - 30-80A Ignition Protected Replaces Part Number 5006 MAXI Range 30-80A Accepts wire 18-4 AWG Versatile wiring orientations Label Recess Specifications: Maximum Amperage: 80A Maximum V... More Details

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Blue Sea 5007100 Class T Fuse Block w/Insulating Cover - 110 to 200A

Fuse Blocks & Fuses, Blue Sea Systems
$154.80
Class T Fuse Block with Insulating Cover - 110 to 200A Allows the use of Class T fuses for fast acting circuit protection of inverters and other electronics Four stud design provides ample access arou... More Details

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Blue Sea 5015 ST Glass Fuse Block w/Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$102.74
5015 ST Glass Fuse Block with Negative Bus  Features: Clear insulating cover with label recesses for accept Large Format Labels Cover insulates all conductive parts, satisfying ABYC/USCG requirements ... More Details

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Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus - 6 Circuit

Fuse Blocks & Fuses, Blue Sea Systems
$87.67
5018 ST Glass Fuse Block without Negative Bus - 6 Circuit Features: Clear insulating cover with label recesses for accept Large Format Labels Cover insulates all conductive parts, satisfying ABYC/USCG... More Details

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Blue Sea 5021 Water Resistant Fuse Holder

Fuse Blocks & Fuses, Blue Sea Systems
$13.69
Water Resistant Fuse Holder Panel Mount Rated IP66 on front - protected against powerful water jets 20A Max. fuse amperage 0.50" (12.70mm) mounting hole Fuse sold separately WARNING: This product can ... More Details

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Blue Sea 5022 Panel Mount AGC/MDL Fuse Holder Replacement Cap

Fuse Blocks & Fuses, Blue Sea Systems
$10.95
5022 Panel Mount AGC/MDL Fuse Holder Replacement Cap Replaces cap for 5021 More Details

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Blue Sea 5023 ST-Blade Battery Terminal Mount Fuse Block

Fuse Blocks & Fuses, Blue Sea Systems
$58.90
ST-Blade Battery Terminal Mount Fuse Block Features: Easy to install 4 ATO/ATC fused circuits Mounts on the battery terminal stud Screw terminals for securing wires Four Nylon insulated ring terminals... More Details

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Blue Sea 5024 ST-Blade Battery Terminal Mount Fuse Block Kit

Fuse Blocks & Fuses, Blue Sea Systems
$84.93
ST-Blade Battery Terminal Mount Fuse Block Kit Features: Easy to install 4 ATO/ATC fused circuits Mounts on the battery terminal stud Screw terminals for securing wires Eight nylon ring terminals incl... More Details

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Blue Sea 5025 ST Blade Fuse Block w/Cover - 6 Circuit w/Negative Bus

Circuit Breakers, Blue Sea Systems
$91.78
5025 ST Blade Fuse Block with Cover - 6 Circuit with Negative Bus  Features: Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation... More Details

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Blue Sea 5026 ST Blade Fuse Block w/Cover - 12 Circuit w/Negative Bus

Circuit Breakers, Blue Sea Systems
$115.07
5026 ST Blade Fuse Block with Cover - 12 Circuit with Negative Bus  Features: Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulatio... More Details

5028 ST Blade Fuse Block w/ Cover 6 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation Tin-plated co... More Details

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Blue Sea 5029 ST Blade Fuse Block w/Cover - 12 Circuit w/o Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$102.74
5029 ST Blade Fuse Block w/ Cover - 12 Circuit w/out Negative Bus Clear insulating cover with label recesses accept Small Format Labels Cover Satisfies ABYC/USCG requirements for insulation Tin-plated... More Details

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Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$104.11
5030 ST Blade Fuse Block w/out Cover - 6 Circuit w/ Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses WARNING: This pro... More Details

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Blue Sea 5031 ST Blade Fuse Block w/o Cover - 12 Circuit w/Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$131.51
5031 ST Blade Fuse Block w/out Cover - 12 Circuit w/ Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses WARNING: This pr... More Details

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Blue Sea 5032 ST-Blade Split Bus Fuse Block

Fuse Blocks & Fuses, Blue Sea Systems
$146.58
ST-Blade Split Bus Fuse Block Features: Provides two isolated groups of six ATO/ATC circuits For use with either two isolated batteries or with a single battery providing a mix of 24 hour and switched... More Details

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Blue Sea 5033 ST Blade Fuse Block w/out Cover - 6 Circuit w/out Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$90.41
5033 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses WARNING: This... More Details

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Blue Sea 5034 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus

Fuse Blocks & Fuses, Blue Sea Systems
$117.81
5034 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus Tin-plated copper buses and fuse clips give 30 Amperes rating per circuit Accepts ATO and ATC fast acting blade fuses WARNING: This... More Details

ST Blade Fuse Block With Cover - 6 Circuit without Negative Bus Part# 5035 Can be used for 24-hour circuits Cover satisfies ABYC/USCG requirements for insulation, incorporates an easy to open push but... More Details

ST Blade Fuse Block w/o Cover - 6 Circuit w/o Negative Bus Part# 5037 Can be used for 24-hour circuits Fuse blocks with covers include 20 write-on circuit labels Tin-plated copper buses and fuse clips... More Details

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Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$58.90
ST Blade Compact Fuse Blocks - 4 Circuits w/Cover Provides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single side design allows wire entry from one side to maximi... More Details

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Blue Sea 5046 ST Blade Compact Fuse Blocks - 8 Circuits w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$113.70
ST Blade Compact Fuse Blocks - 8 Circuits w/Cover Provides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single side design allows wire entry from one side to maximi... More Details

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Blue Sea 5049 ST CLB Circuit Breaker Block Jumper - *Package of 5*

Busbars, Connectors & Insulators, Blue Sea Systems
$13.69
ST CLB Circuit Breaker Block Jumper - Package of 5 Specifications: 5 per retail package WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to t... More Details

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Blue Sea 5050 ST CLB Circuit Breaker Block - 6 Position

Circuit Breakers, Blue Sea Systems
$113.70
ST CLB Circuit Breaker Block - 6 Position Features Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear insulating cover with square ... More Details

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Blue Sea 5051 ST CLB Circuit Breaker Block - 12 Position

Circuit Breakers, Blue Sea Systems
$186.31
ST CLB Circuit Breaker Block - 12 Position Features Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear insulating cover with square... More Details

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Blue Sea 5052 ST CLB Circuit Breaker Block - 6 Position w/Negative Bus

Circuit Breakers, Blue Sea Systems
$145.21
ST CLB Circuit Breaker Block - 6 Position w/Negative Bus Features Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear insulating cov... More Details

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Blue Sea 5054 ST CLB Circuit Breaker Block - 12 Position w/Negative Bus

Circuit Breakers, Blue Sea Systems
$249.33
ST CLB Circuit Breaker Block - 12 Position w/Negative Bus Features Quick connect clips allow circuit breakers to snap easily into place Tin-plated copper busses and screw terminals Clear insulating co... More Details

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Blue Sea 5056 ST-Blade Water Resistant Fuse Block w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$98.63
5056 ST-Blade Water Resistant Fuse Block with Cover Provides water-resistant circuit protection for ATO/ATC fuses & circuit breakers in a compact footprint. The single side nesting design allows for w... More Details

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Blue Sea 5056100 - Water Resistant ST-Blade Fuse Block w/Cover

Fuse Blocks & Fuses, Blue Sea Systems
$86.30
5056100 - Water Resistant ST-Blade Fuse Block with Cover This Blue Sea fuse block provides water-resistant circuit protection for ATO/ATC fuses and circuit breakers in a compact footprint.  Now with w... More Details

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Blue Sea 5060 Crimpable Inline Fuse Holder AGC MDL

Fuse Blocks & Fuses, Blue Sea Systems
$13.69
Crimpable In-Line Fuse Holder Accepts 12-18 AWG wire 30A Maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is... More Details

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Blue Sea 5061 Waterproof Inline Fuse Holder AGC/MDL

Fuse Blocks & Fuses, Blue Sea Systems
$20.54
Waterproof In-Line Fuse Holder Accepts 12-18 AWG wire 30A maximum fuse amperage Fuse sold seperately WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which ... More Details

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Blue Sea 5063 Heavy Duty Inline Fuse Holder AGC/MDL

Fuse Blocks & Fuses, Blue Sea Systems
$10.95
Heavy Duty In-Line Fuse Holder Accepts 12-18 AWG wire 30A Maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which i... More Details

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Blue Sea 5064 In-Line Fuse Holder f/ATO & ATC Fuses

Fuse Blocks & Fuses, Blue Sea Systems
$9.58
5064 ATO/ATC In-Line Fuse Holder Supplied with 12 AWG pigtails 30A Maximum fuse amperage WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to ... More Details

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Blue Sea 5065 Waterproof In-Line Fuse Holder ATO/ATC

Fuse Blocks & Fuses, Blue Sea Systems
$16.43
5065 ATO/ATC Waterproof In-Line Fuse Holder supplied with 12 AWG pigtails 30A Maximum fuse amperageWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is... More Details

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Blue Sea 5068 MAXI® In-Line Fuse Holder

Fuse Blocks & Fuses, Blue Sea Systems
$57.53
MAXI® In-Line Fuse Holder Features: Supplied with #6 red lead wire, 5" length 32V DC Max. voltage rating 60A Max. fuse amperage Firewall mounting hole permits: Two or more holders to be mounted togeth... More Details

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Blue Sea 5101 MEGA®/AMG® Fuse - 100AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5101 MEGA®/AMG® Fuse - 100AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemical... More Details

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Blue Sea 5102 MEGA®/AMG® Fuse - 125AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5102 MEGA®/AMG® Fuse - 125AMP  Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemica... More Details

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Blue Sea 5103 MEGA®/AMG® Fuse - 150AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5103 MEGA®/AMG® Fuse - 150AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemical... More Details

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Blue Sea 5104 MEGA®/AMG® Fuse - 175AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5104 MEGA®/AMG® Fuse - 175AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemical... More Details

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Blue Sea 5105 MEGA®/AMG® Fuse - 200AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5105 MEGA®/AMG® Fuse - 200AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemical... More Details

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Blue Sea 5107 MEGA®/AMG® Fuse - 250AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5107 MEGA®/AMG® Fuse - 250AMP Features: Most economical fuse for 100-300 Ampere circuit protection For use with Blue Sea Systems' MEGA®/AMG® Fuse Block WARNING: This product can expose you to chemical... More Details

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Blue Sea 5108 MEGA®/AMG® FUSE(SEA) Fuse - 300 AMP

Fuse Blocks & Fuses, Blue Sea Systems
$19.17
5108 SEA Fuses Blue Sea 5108 MEGA or AMG (SEA) fuse WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause canc... More Details

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Blue Sea 5112 110A Class T Fuse

Fuse Blocks & Fuses, Blue Sea Systems
$123.29
5112 110A Class T Fuse  Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expo... More Details

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Blue Sea 5113 125A Class T Fuse

Fuse Blocks & Fuses, Blue Sea Systems
$123.29
5113 125A Class T Fuse  Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expo... More Details

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Blue Sea 5114 150A Class T Fuse

Fuse Blocks & Fuses, Blue Sea Systems
$123.29
5114 150A Class T Fuse  Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expo... More Details

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Blue Sea 5115 Fuse A3T (Class T) 175A

Fuse Blocks & Fuses, Blue Sea Systems
$123.29
5115 Fuse A3T (Class T) 175A Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can... More Details

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Blue Sea 5116 200A Class T Fuse

Fuse Blocks & Fuses, Blue Sea Systems
$123.29
5116 200A Class T Fuse Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can expos... More Details

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Blue Sea 5117 225AMP Class T Fuse

Fuse Blocks & Fuses, Blue Sea Systems
$134.25
5117 225AMP Class T Fuse Features: Extremely fast short-circuit response 20,000 Ampere Interrupt Capacity (AIC) UL listed to standard 248-15 DC Tested to UL standard 198L WARNING: This product can exp... More Details

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Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.