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Premium Marine Quality Parts

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Blue Sea Systems 7352 Single Pole Ac Circuit Breaker, 15 Amp, White - 7352-Bss - 661-7352F1

Blue Sea Systems, Power Distribution
$86.99

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7267 Double Pole Ac Circuit Breaker, 150 Amp, White - 7267-Bss - 661-7267F1

Blue Sea Systems, Power Distribution
$310.39

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7251 Double Pole Ac Circuit Breaker, 50 Amp, White - 7251-Bss - 661-7251F1

Blue Sea Systems, Power Distribution
$205.59

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7250 Single Pole Ac Circuit Breaker, 100 Amp, White - 7250-Bss - 661-7250F1

Blue Sea Systems, Power Distribution
$97.89

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7248 Single Pole Ac Circuit Breaker, 80 Amp, White - 7248-Bss - 661-7248F1

Blue Sea Systems, Power Distribution
$97.89

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7246 Single Pole Ac Circuit Breaker, 60 Amp, White - 7246-Bss - 661-7246F1

Blue Sea Systems, Power Distribution
$97.89

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7244 Single Pole Ac Circuit Breaker, 50 Amp, White - 7244-Bss - 661-7244F1

Blue Sea Systems, Power Distribution
$97.89

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 trip. Double and triple pole circuit breakers will trip all poles if any one pole trips. White.DC Features Large frame provides stud termination for 5-300 Amp loadsProvides overcurrent protection for inverters, bow thrusters, and windlassesOffers high interrupt capacity - suitable for Main circuit protectionTrip Free - cannot be held closed after tripAC FeaturesFrequently used for 120/240 Volt AC circuit protectionDouble pole can be used as AC Main circuit breaker to switch hot and neutral or two hots in 120/240 Volt AC Branch applicationsTriple pole can be used as 120/240 Volt AC Main circuit breaker to switch both lines (hots) and neutralDouble and triple pole circuit breakers will trip all poles if any one pole trips

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Blue Sea Systems 7149 187 Series Dc Circuit Breaker - Surface Mount, 200 Amps - 7149-Bss - 661-7149F1

Blue Sea Systems, Power Distribution
$244.59

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7148 187 Series Dc Circuit Breaker - Surface Mount, 150 Amps - 7148-Bss - 661-7148F1

Blue Sea Systems, Power Distribution
$185.29

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7146 187 Series Dc Circuit Breaker - Surface Mount, 120 Amps - 7146-Bss - 661-7146F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7144 187 Series Dc Circuit Breaker - Surface Mount, 100 Amps - 7144-Bss - 661-7144F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7143 187 Series Dc Circuit Breaker - Surface Mount, 90 Amps - 7143-Bss - 661-7143F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7142 187 Series Dc Circuit Breaker - Surface Mount, 80 Amps - 7142-Bss - 661-7142F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7141 187 Series Dc Circuit Breaker - Surface Mount, 70 Amps - 7141-Bss - 661-7141F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7140 187 Series Dc Circuit Breaker - Surface Mount, 60 Amps - 7140-Bss - 661-7140F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7139 187 Series Dc Circuit Breaker - Surface Mount, 50 Amps - 7139-Bss - 661-7139F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7138 187 Series Dc Circuit Breaker - Surface Mount, 40 Amps - 7138-Bss - 661-7138F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7136 187 Series Dc Circuit Breaker - Surface Mount, 30 Amps - 7136-Bss - 661-7136F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7135 187 Series Dc Circuit Breaker - Surface Mount, 25 Amps - 7135-Bss - 661-7135F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7049 187 Series Dc Circuit Breaker - Panel Mount, 200 Amps - 7049-Bss - 661-7049F1

Blue Sea Systems, Power Distribution
$244.59

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7048 187 Series Dc Circuit Breaker - Panel Mount, 150 Amps - 7048-Bss - 661-7048F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7046 187 Series Dc Circuit Breaker - Panel Mount, 120 Amps - 7046-Bss - 661-7046F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7044 187 Series Dc Circuit Breaker - Panel Mount, 100 Amps - 7044-Bss - 661-7044F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7042 187 Series Dc Circuit Breaker - Panel Mount, 80 Amps - 7042-Bss - 661-7042F1

Blue Sea Systems, Power Distribution
$186.69

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Blue Sea Systems 7040 187 Series Dc Circuit Breaker - Panel Mount, 60 Amps - 7040-Bss - 661-7040F1

Blue Sea Systems, Power Distribution
$168.89

Heavy duty circuit protection when switching and circuit protection are both required. Single lever operation is clearly visible. Ignition protected (conforming to SAE J1171), safe for installation aboard gas-powered boats. Weather resistant. 5/16-18 terminal studs. Maximum voltage 42 volts DC.

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Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

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.