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Blue Sea 7650003 Add-A-Battery Kit - Boxed Packaging

Battery Management, Blue Sea Systems
$437.09
7650 Add-A-Battery Kit - Boxed Packaging The 7650 Add-a-Battery simplifies switching and automates charging for a complete two battery bank management solution. Features: A complete two battery bank m... More Details

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Blue Sea 7650 Add-A-Battery

Battery Management, Blue Sea Systems
$437.09
Add-A-Battery 7650 The 7650 Add-a-Battery simplifies switching and automates charging for a complete two battery bank management solution. A complete two battery bank management solution Dual Circuit ... More Details

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Blue Sea 7649 Mini Add-A-Battery Kit - Boxed Packaging

Battery Management, Blue Sea Systems
$307.37
7649 Mini Add-A-Battery Kit - Boxed Packaging What does the Mini Add-A-Battery do? Adding a second battery prevents getting stranded with a dead battery by isolating the start battery from the house l... More Details

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Blue Sea 7649 Mini Add-A-Battery Kit

Battery Management, Blue Sea Systems
$318.65
7649 Mini Add-A-Battery What does the Mini Add-A-Battery do? Adding a second battery prevents getting stranded with a dead battery by isolating the start battery from the house loads that can quickly ... More Details

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Blue Sea 7635 m-LVD Low Voltage Disconnect

Battery Management, Blue Sea Systems
$224.18
m-LVD Low Voltage Disconnect Senses low battery voltage and automatically disconnects devices to save power for starting or to preserve battery life A dead battery is one of the most common reasons fo... More Details

7623100 ML ACR Charging Relay 24V 500A with Manual Control & Deutsch Connector 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when ... More Details

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Blue Sea 7623 ML-Series Heavy Duty Automatic Charging Relay - 24V

Battery Management, Blue Sea Systems
$530.15
7623 Manual Control: Yes Coil Voltage: 24v Features: Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing ... More Details

7622100 ML ACR Charging Relay 12V 500A with Manual Control & Deutsch Connector 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when ... More Details

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Blue Sea 7622 ML-Series Heavy Duty Automatic Charging Relay

Battery Management, Blue Sea Systems
$642.95
7622 Manual Control: Yes Coil Voltage: 12v Features: Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing ... More Details

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Blue Sea 7621100 ML ACR Charging Relay 24V 500A w/Deutsch Connector

Battery Management, Blue Sea Systems
$516.05
7621100 ML ACR Charging Relay 24V 500A with Deutsch Connector 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and w... More Details

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Blue Sea 7621 ML-Series Automatic Charging Relay (Magnetic Latch) 24V DC

Battery Management, Blue Sea Systems
$604.88
7621 Manual Control: No Coil Voltage: 24V DC Combines battery banks during charging and isolates under discharge 500 Ampere continuous rating suitable for use with large battery banks, starters, alter... More Details

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Blue Sea 7620100 ML ACR Charging Relay 12V 500A w/Deutsch Connector

Battery Management, Blue Sea Systems
$516.05
7620100 ML ACR Charging Relay 12V 500A with Deutsch Connector 500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and w... More Details

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Blue Sea 7620 ML-Series Automatic Charging Relay (Magnetic Latch) 12VDC

Battery Management, Blue Sea Systems
$604.88
7620 Manual Control: No Coil Voltage: 12V DC Combines battery banks during charging and isolates under discharge 500 Ampere continuous rating suitable for use with large battery banks, starters, alter... More Details

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Blue Sea 7615 ATD Automatic Timer Disconnect

Battery Management, Blue Sea Systems
$289.04
ATD Automatic Timer Disconnect Adjustable time or voltage based battery disconnect automatically shuts off devices to preserve battery power 12V signal triggers relay to connect battery power to devic... More Details

7611 DC BatteryLink™ Automatic Charging Relay - 120 Amp w/Auxiliary Battery Charging Features: 120 Amp continuous rating 12/24V DC auto ranging voltage input Senses charging on two battery banks Side ... More Details

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Blue Sea 7610 120 Amp SI-Series Automatic Charging Relay

Battery Management, Blue Sea Systems
$281.99
7610 120 Amp SI-Series Automatic Charging Relay Allows temporary isolation of house loads from engine circuit during engine cranking to protect sensitive electronicsAutomatically combines battery bank... More Details

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Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp

Battery Management, Blue Sea Systems
$194.57
7601 DC Mini ACR Automatic Charging Relay - 65 Amp Features: 65 Amp continuous rating manages the charging current from alternators up to 65 Amps found on most outboards and many inboard engines Compa... More Details

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Blue Sea 7577 A-Series Raised Rocker Circuit Breaker - Double Pole - 50A

Circuit Breakers, Blue Sea Systems
$111.38
A-Series Raised Rocker Circuit Breaker - Double Pole - 50A Features: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition International ON/OFF ... More Details

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Blue Sea 7575 A-Series Raised Rocker Circuit Breaker - Double Pole - 32A

Circuit Breakers, Blue Sea Systems
$111.38
A-Series Raised Rocker Circuit Breaker - Double Pole - 32A Features: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during a fault current condition International ON/OF... More Details

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Blue Sea 7574 A-Series Raised Rocker Circuit Breaker - Double Pole - 30A

Circuit Breakers, Blue Sea Systems
$111.38
A-Series Raised Rocker Circuit Breaker - Double Pole - 30A Features: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition International ON/OFF ... More Details

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Blue Sea 7549 C-Series Flat Rocker Circuit Breaker - Single Pole - 100A

Circuit Breakers, Blue Sea Systems
$95.87
C-Series Flat Rocker Circuit Breaker - Single Pole - 100A Features: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position... More Details

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Blue Sea 7548 C-Series Flat Rocker Circuit Breaker - Single Pole - 80A

Circuit Breakers, Blue Sea Systems
$95.87
C-Series Flat Rocker Circuit Breaker - Single Pole - 80A Features: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position ... More Details

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Blue Sea 7547 C-Series Flat Rocker Circuit Breaker - Single Pole - 60A

Circuit Breakers, Blue Sea Systems
$98.69
C-Series Flat Rocker Circuit Breaker - Single Pole - 60A Features: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position ... More Details

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Blue Sea 7546 C-Series Flat Rocker Circuit Breaker - Single Pole - 50A

Circuit Breakers, Blue Sea Systems
$95.87
C-Series Flat Rocker Circuit Breaker - Single Pole - 50A Features: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position ... More Details

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Blue Sea 7545 C-Series Flat Rocker Circuit Breaker - Single Pole - 30A

Circuit Breakers, Blue Sea Systems
$95.87
C-Series Flat Rocker Circuit Breaker - Single Pole - 30A Features: Rocker actuator is flush in the "ON" position, eliminating the risk of accidential switching Color actuator indicates "OFF" position ... More Details

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.