Blue Sea Systems

Blue Sea Systems is committed to the improvement of marine electrical products and systems, such as panel systems, circuit breakers, connectors, and insulators. Blue Sea wants to satisfy their distributors, dealers and ultimately the retail customer by designing and manufacturing electrical products engineered to withstand the harsh marine environment.
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Blue Sea 5142 70AMP MAXI Fuse
Blue Sea Systems
$13.235142 70AMP MAXI FuseFeatures:EconomicalTin-plated connector blades for corrosion resistanceVisible indication of blown conditionWARNING: This product can expose you to chemicals including...$13.23 -
Blue Sea 5103 MEGA®/AMG® Fuse - 150AMP
Blue Sea Systems
$23.915103 MEGA®/AMG® Fuse - 150AMP Features:Most economical fuse for 100-300 Ampere circuit protectionFor use with Blue Sea Systems' MEGA®/AMG® Fuse BlockWARNING: This product can expose...$23.91 -
Blue Sea 5102 MEGA®/AMG® Fuse - 125AMP
Blue Sea Systems
$22.315102 MEGA®/AMG® Fuse - 125AMP Features:Most economical fuse for 100-300 Ampere circuit protectionFor use with Blue Sea Systems' MEGA®/AMG® Fuse BlockWARNING: This product can...$22.31 -
Blue Sea 5101 MEGA®/AMG® Fuse - 100AMP
Blue Sea Systems
$23.865101 MEGA®/AMG® Fuse - 100AMPFeatures:Most economical fuse for 100-300 Ampere circuit protectionFor use with Blue Sea Systems' MEGA®/AMG® Fuse BlockWARNING: This product can expose...$23.86 -
Blue Sea 5143 80AMP MAXI Fuse
Blue Sea Systems
$13.405143 80AMP MAXI FuseFeatures:EconomicalTin-plated connector blades for corrosion resistanceVisible indication of blown conditionWARNING: This product can expose you to chemicals including...$13.40 -
Blue Sea 7214 AC/DC Single Pole Magnetic World Circuit Breaker - 20AMP
Blue Sea Systems
$39.037214 AC/DC Single Pole Magnetic World Circuit Breaker - 20AMPThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized, TUV Certified, CE marked for...$39.03 -
Blue Sea 8077 AC Main Only Toggle Circuit Breaker Panel
Blue Sea Systems
MSRP: $171.99$104.308077 AC Main Only Toggle Circuit Breaker PanelFeatures:Red reverse polarity indicating LEDSafety ground screw on panel backCombines switching and circuit protection into a single device"Trip Free"...MSRP: $171.99$104.30 -
Blue Sea 8029 AC Main +1 Position Breaker Panel - White Switches
Blue Sea Systems
MSRP: $241.99$147.188029 AC Main +1 Position Breaker Panel - White SwitchesFeatures:Red reverse polarity indicating LEDAll hot, neutral and safety ground buses installed, fully pre-wiredAll circuit label positions are...MSRP: $241.99$147.18 -
Out of Stock
Blue Sea 8032 AC Toggle Source Selector 120V AC - 30AMP - White Switches
Blue Sea Systems
MSRP: $337.99$205.198032 AC Toggle Source Selector 120V AC - 30AMP - White SwitchesFeatures:Double pole AC main circuit breakers with installed lockout slidePrevents connecting both AC sources simultaneouslyMaximum...MSRP: $337.99$205.19 -
Out of Stock
Blue Sea 8025 DC 3 Position Breaker Panel - White Switches
Blue Sea Systems
MSRP: $252.99$153.568025 DC 3 Position Breaker Panel - White SwitchesFeatures:All positive, negative and grounding buses installed, fully pre-wiredPanels with meters include toggle switch for mounting up to 3 battery...MSRP: $252.99$153.56 -
Out of Stock
Blue Sea 8058 AC 3 Position Toggle Circuit Breaker Panel - White Switches
Blue Sea Systems
MSRP: $259.99$158.088058 AC 3 Position Toggle Circuit Breaker Panel - White SwitchesFeatures:All hot, neutral, and safety ground buses installed, fully pre-wiredAll circuit label positions are backlit on standard panels...MSRP: $259.99$158.08 -
Blue Sea 8053 Slate Grey - 6 Position - Vertical
Blue Sea Systems
$386.608053 Slate Grey - 6 Position - VerticalFeatures:Will withstand the water exposures normally encountered in above deck applications: salt spray, rain, hose washdowns, momentary immersionsDesigned for...$386.60 -
Blue Sea 6007200 Battery Switch Mini - 4 Position - Black
Blue Sea Systems
MSRP: $86.99$37.196007200 - Blackm-Series (Mini) Battery Switch SelectorMake before break contact design allows switching between battery banks without power interruptionSelectorSwitches battery bank 1 or battery bank...MSRP: $86.99$37.19 -
Blue Sea 8110 Mini Clamp Multimeter
Blue Sea Systems
MSRP: $287.99$175.01Mini Clamp MultimeterClamp allows measurement of AC and DC current in wires without disturbing the circuits or contacting live terminals Auto range simplifies operation: 0.01-400 Amps, 0.001-600...MSRP: $287.99$175.01 -
Blue Sea 7622 ML-Series Heavy Duty Automatic Charging Relay
Blue Sea Systems
$580.717622Manual Control: YesCoil Voltage: 12vFeatures:Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for...$580.71 -
Blue Sea 11001 e-Series Battery Switch w/Alternator Field Disconnect - 3-Position
Blue Sea Systems
MSRP: $78.99$46.72e-Series Selector 3 Position Battery Switch with AFDAFD: YesBattery Combiner: NoFeatures:Make-before-break contact design allows switching between battery banks without power interruption CE Marked...MSRP: $78.99$46.72 -
Blue Sea 7623 ML-Series Heavy Duty Automatic Charging Relay - 24V
Blue Sea Systems
MSRP: $375.99$216.297623Manual Control: YesCoil Voltage: 24vFeatures:Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for...MSRP: $375.99$216.29 -
Blue Sea 2142 Medium Duty Push Button Reset-Only - 50A
Blue Sea Systems
MSRP: $98.99$62.782142Amperage: 50AFeatures: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...MSRP: $98.99$62.78 -
Blue Sea 4131 Lockout Slide 2 Position 3 Pole C-Series
Blue Sea Systems
MSRP: $57.99$29.414131 Lockout Slide 2 Position 3 Pole C-SeriesFeatures:Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated at a timeGuarantees that AC power from 2 sources (power...MSRP: $57.99$29.41 -
Blue Sea 4028 AC Isolation Cover - 7-1/2 x 10-1/2x3
Blue Sea Systems
MSRP: $170.99$104.744028 AC Isolation Cover - 7-1/2 x 10-1/2x3Features:Provides electrical insulation for exposed panel backsProvides mechanical protection for panel backs protruding into lockersLightweight material is...MSRP: $170.99$104.74 -
Blue Sea 4130 Lockout Slide 2 Position 2 Pole C-Series
Blue Sea Systems
MSRP: $57.99$29.414130 Lockout Slide 2 Position 2 Pole C-SeriesFeatures:Allows only 1 of a pair of double pole or triple pole AC circuit breakers to be activated at a timeGuarantees that AC power from 2 sources (power...MSRP: $57.99$29.41 -
Blue Sea Floyd Bell Turbo Series Alarm
Blue Sea Systems
MSRP: $42.99$21.89Floyd Bell Turbo Series AlarmFeatures: Adjustable volume by rotating bezel Tamper resistant front mounting case Threaded attachment ring Fits any 1" round apertureSpecs: Maximum Amperage: 10A DC...MSRP: $42.99$21.89 -
Blue Sea 3119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit Position
Blue Sea Systems
MSRP: $1,273.99$733.923119 SMS Surface Mount System Panel Enclosure - 120/240V AC / 50A ELCI Main - 1 Blank Circuit PositionThe 3119 panel enclosure is for ELCI Main circuit breakers and other large frame devices. Meets...MSRP: $1,273.99$733.92 -
Blue Sea 7312 COTS Military Grade A-Series 15 Amp
Blue Sea Systems
MSRP: $160.99$97.877312 COTS Military Grade A-Series 15 AmpMay be suitable for use when military specifications are required under CFR 46.Specifications:Amperage: 15AActuator Style: Metal TogglePoles: 2Max Voltage:...MSRP: $160.99$97.87 -
Blue Sea 5035 ST Blade Fuse Block w/Cover - 6 Circuit Independent w/o Negative Bus
Blue Sea Systems
$103.91ST Blade Fuse Block With Cover - 6 Circuit without Negative BusPart# 5035Can be used for 24-hour circuitsCover satisfies ABYC/USCG requirements for insulation, incorporates an easy to open push...$103.91 -
Blue Sea 7650 Add-A-Battery
Blue Sea Systems
MSRP: $371.99$156.73Add-A-Battery7650The 7650 Add-a-Battery simplifies switching and automates charging for a complete two battery bank management solution.A complete two battery bank management solutionDual Circuit...MSRP: $371.99$156.73 -
Out of Stock
Blue Sea 1837 M2 AC Voltmeter
Blue Sea Systems
MSRP: $498.99$303.20M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independent circuits or 1 double phase circuit)Features:...MSRP: $498.99$303.20 -
Blue Sea 1836 M2 AC Ammeter
Blue Sea Systems
MSRP: $451.99$274.90M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amperage of your AC system. (measures 2 independent...MSRP: $451.99$274.90 -
Out of Stock
Blue Sea 1830 M2 DC SoC State of Charge Monitor
Blue Sea Systems
MSRP: $499.99$287.93M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to read...MSRP: $499.99$287.93 -
Out of Stock
Blue Sea 1833 M2 DC Voltmeter
Blue Sea Systems
MSRP: $446.99$271.75M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto-dimming, bright OLED display is easy to read Easy to...MSRP: $446.99$271.75 -
Out of Stock
Blue Sea 1832 M2 DC Ammeter
Blue Sea Systems
MSRP: $499.99$303.72M2 DC AmmeterMonitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system. (measures 2 circuits) Supports programmable shunt ratios. Features:...MSRP: $499.99$303.72 -
Out of Stock
Blue Sea 1838 M2 AC Multimeter
Blue Sea Systems
MSRP: $527.99$320.98M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and monitor AC amperage, voltage and Hz. (measures 2...MSRP: $527.99$320.98 -
Blue Sea 5068 MAXI® In-Line Fuse Holder
Blue Sea Systems
MSRP: $50.99$21.58MAXI® In-Line Fuse HolderFeatures: 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...MSRP: $50.99$21.58 -
Blue Sea 1007 Side Entry CableClam
Blue Sea Systems
MSRP: $15.99$5.96Side Entry CableClamProvides a waterproof side entry for antenna cables without requiring removal of the factory installed connector.Features: Simple one-piece design for easy side mount...MSRP: $15.99$5.96 -
Blue Sea 1839 M2 OLED Tank Monitor
Blue Sea Systems
MSRP: $499.99$303.72M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET External...MSRP: $499.99$303.72 -
Blue Sea 1732 Mini OLED Ammeter
Blue Sea Systems
MSRP: $170.99$81.80Mini OLED AmmeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse polarity...MSRP: $170.99$81.80 -
Blue Sea 6004 Single Circuit ON-OFF w/Locking Key - Red
Blue Sea Systems
MSRP: $58.99$28.20Single Circuit ON-OFF with Locking Key - Red300 Amps continuous rating for outboards and small gasoline or diesel enginesTin-plated copper studs for maximum conductivity and corrosion resistanceStuds...MSRP: $58.99$28.20 -
Out of Stock
Blue Sea 5502100 Class T Fuse Block w/Insulating Cover - 225 to 400A
Blue Sea Systems
MSRP: $168.99$85.54Class T Fuse Block with Insulating Cover - 225 to 400AAllows the use of Class T fuses for fast acting circuit protection of inverters and other electronicsFour stud design provides ample access...MSRP: $168.99$85.54 -
Blue Sea 5007100 Class T Fuse Block w/Insulating Cover - 110 to 200A
Blue Sea Systems
MSRP: $134.99$70.10Class T Fuse Block with Insulating Cover - 110 to 200AAllows the use of Class T fuses for fast acting circuit protection of inverters and other electronicsFour stud design provides ample access...MSRP: $134.99$70.10 -
Blue Sea 8373 Water Resistant 6 Position - Black - Vertical Mount Panel
Blue Sea Systems
$476.94Water Resistant Circuit Breaker PanelColor: BlackMount: VerticalPosition: 6CE MarkedDesigned for flybridge and open cockpit applications ON-OFF Contura Switches "ON" indicating LEDs embedded in...$476.94