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Marine Electrical systems are the backbone of a dependable and efficient vessel, delivering the power needed to keep your essential equipment operating at its best. Designed to perform in demanding marine environments, today's electrical components combine rugged durability, reliable performance, and advanced technology to withstand moisture, vibration, and corrosion. From batteries, battery chargers, inverters, switches, circuit protection, wiring, and power distribution panels to complete electrical accessories, the right equipment helps ensure safe, consistent power throughout your boat. Whether you're upgrading an existing electrical system or building a new one, premium marine electrical products provide the reliability and confidence trusted by boaters and marine professionals alike. Explore our selection of marine electrical solutions and let our experts help you find the right components to power every adventure on the water.

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  • Newmar 2-3-70A Isolator 2AIT 3BATT 70AMP
    Newmar

    Newmar 2-3-70A Isolator 2AIT 3BATT 70AMP

    $429.30
    $530.49
    $429.30
    These heavy duty isolators allow charging multiple batteries automatically from one or two alternators, and prevent discharge or 'dumping" of one battery into another. Each battery is charged according to its need without overcharging. rated for 12-48 volt negative ground DC systems. feature conservatively...
    $429.30
    $530.49
    $429.30
  • Samlex 20A Non-Isolated Step-Down 24VDC-12VDC Converter [SDC-23]
    Samlex America

    Samlex 20A Non-Isolated Step-Down 24VDC-12VDC Converter [SDC-23]

    $179.49
    $224.40
    $179.49
    20A Non-Isolated Step-Down 24VDC-12VDC ConverterThis high efficiency switch-mode step-down DC-DC converter converts an input voltage of 24 VDC nominal (range 20 VDC to 35 VDC) to a highly regulated output voltage of 12 VDC nominal (13.8 VDC) at 20 Amps. The SDC-23 DC-DC converter...
    $179.49
    $224.40
    $179.49
  • Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A
    Newmar

    Newmar 48-12-6I DC-DC Convertr 20-56VDC To 13.6 Vdc @ 6A

    $1,056.58
    $1,305.14
    $1,056.58
    Convert 20-50 VDC to 12 or 24 VDC output for powering communication/ navigation equipment, on negative ground systems. (see Isolated series, below for positive ground applications.) Ideal for powering voice, data and navigation transceivers in mobile and marine applications. Excellent Regulation: Output voltage maintained...
    $1,056.58
    $1,305.14
    $1,056.58
  • Blue Sea 7444 UL-489 Circuit Breaker - 30A Flat Rocker [7444]
    Blue Sea Systems

    Blue Sea 7444 UL-489 Circuit Breaker - 30A Flat Rocker [7444]

    $66.84
    $90.10
    $66.84
    7444 UL-489 Circuit Breaker - 30A Flat RockerSuitable for use when UL-489 specifications are required (Navy, Army, or Coast Guard vessels, and other vessels covered under CFR 46).Specifications: Amperage: 30A DC Actuator Style: Flat Rocker Poles: 1 Maximum Voltage: 80V DC Circuit Breaker Type:...
    $66.84
    $90.10
    $66.84
  • Blue Sea 7574 A-Series Raised Rocker Circuit Breaker - Double Pole - 30A [7574]
    Blue Sea Systems

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

    $82.83
    $111.90
    $82.83
    A-Series Raised Rocker Circuit Breaker - Double Pole - 30AFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition International ON/OFF symbols support vertical or horizontal mounting Specifications: Amperage: 30A AC / 30A DC Actuator Style: Raised...
    $82.83
    $111.90
    $82.83
  • Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128]
    Blue Sea Systems

    Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128]

    $66.84
    $97.36
    $66.84
    2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus Material Tin-Plated Copper CDA 110 / UNS 11000Base Material Reinforced PolycarbonateCover Material ABSCE Certified WARNING: This product can...
    $66.84
    $97.36
    $66.84
  • Blue Sea 8256 AC Current Transformer [8256]
    Blue Sea Systems

    Blue Sea 8256 AC Current Transformer [8256]

    $37.77
    $53.76
    $37.77
    AC Current TransformerRatio: 150A AC/50mA ACFor use with AC AmmetersWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
    $37.77
    $53.76
    $37.77
  • Blue Sea 8110 Mini Clamp Multimeter [8110]
    Blue Sea Systems

    Blue Sea 8110 Mini Clamp Multimeter [8110]

    $276.13
    $421.47
    $276.13
    Mini Clamp Multimeter Clamp 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 Volts Auto power-off selection - power turns off automatically after 10 minutes of non-use True RMS...
    $276.13
    $421.47
    $276.13
  • Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]
    Blue Sea Systems

    Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]

    $155.50
    $226.71
    $155.50
    1810Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Technologies, Inc. Fluid-Trac® is non-contacting eliminating any mechanical moving parts that can wear and cause intermittent or complete signal loss...
    $155.50
    $226.71
    $155.50
  • Blue Sea 8216 Dimmer Control Switch - Gray [8216]
    Blue Sea Systems

    Blue Sea 8216 Dimmer Control Switch - Gray [8216]

    $23.24
    $31.96
    $23.24
    Dimmer Control SwitchColor: GrayPole/Throw: Single/DoubleAction: (ON) - OFF - (ON) Mounts in Blue Sea Systems' waterproof panels Legend - BRIGHT and DIM Use Contura switch mounting panels and accessories WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to...
    $23.24
    $31.96
    $23.24
  • Blue Sea 8299 Contura Switch Actuator - Grey - No Lens [8299]
    Blue Sea Systems

    Blue Sea 8299 Contura Switch Actuator - Grey - No Lens [8299]

    $7.25
    $10.16
    $7.25
    Contura Switch ActuatorColor: GreyNumber of Lenses: No Lens Mounts on any Blue Sea Systems' Contura Switch Constructed of thermal plastic polycarbonate with a hard nylon surface overlay For each embedded LED there is a corresponding number of lenses WARNING: This product can expose you...
    $7.25
    $10.16
    $7.25
  • Blue Sea 7433 Single Pole Small Case 2" Slot Reset Rocker Circuit Breaker - 50 Amp [7433]
    Blue Sea Systems

    Blue Sea 7433 Single Pole Small Case 2" Slot Reset Rocker Circuit Breaker - 50 Amp [7433]

    $45.04
    $61.03
    $45.04
    Single Pole Small Case 2" Slot Reset Rocker Circuit BreakerPN:   7433Amperage:   50 AmpFeatures: Color actuator indicates "OFF" position "Trip Free" design cannot be held "ON" during fault current condition Specifications    Circuit Breaker Type Magnetic Hydraulic - Trip Free Maximum Voltage 250 Volts AC / 80...
    $45.04
    $61.03
    $45.04
  • Blue Sea 4216 Square Format Label Set - 60 [4216]
    Blue Sea Systems

    Blue Sea 4216 Square Format Label Set - 60 [4216]

    $23.24
    $33.41
    $23.24
    4216Square 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 product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of...
    $23.24
    $33.41
    $23.24
  • Blue Sea 5101 MEGA/AMG Fuse - 100AMP [5101]
    Blue Sea Systems

    Blue Sea 5101 MEGA/AMG Fuse - 100AMP [5101]

    $14.52
    $18.88
    $14.52
    5101 MEGA®/AMG® Fuse - 100AMPFeatures: 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 chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer,...
    $14.52
    $18.88
    $14.52
  • ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]
    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]

    $335.72
    $434.10
    $335.72
    Premium Replacement Alternator with Multi-Groove Pulley - 12V 55AReplacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Internal regulator 2-inch mounting foot, multi-groove serpentine pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and manufactured with...
    $335.72
    $434.10
    $335.72
  • ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]
    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]

    $306.65
    $399.94
    $306.65
    Premium Replacement Alternator with Single Groove Pulley - 12V, 55APremium replacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Internal regulator. 2-inch mounting foot. Single groove pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and...
    $306.65
    $399.94
    $306.65
  • ARCO Marine Current Model Outboard Solenoid w/Flat Isolated Base [SW054]ARCO Marine Current Model Outboard Solenoid w/Flat Isolated Base [SW054]
    ARCO Marine

    ARCO Marine Current Model Outboard Solenoid w/Flat Isolated Base [SW054]

    $34.87
    $46.16
    $34.87
    Current Model Outboard Solenoid with Flat Isolated BaseThe outboard solenoid will fit the current model Mercruiser and Mercury. Isolated base, 12 Volt.Replaces:MERCURY 89-850189MERCURY 89-850189TMERCURY 89-91975MERCURY 89-96054MERCURY 89-96054T*ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of...
    $34.87
    $46.16
    $34.87
  • Mastervolt MasterShunt 500 CZone [77020115]
    Mastervolt

    Mastervolt MasterShunt 500 CZone [77020115]

    $433.10
    $719.41
    $433.10
    MasterShunt 500 CZoneMasterShunt is the heart of every battery powered energy system. This integrated battery monitor shares information about the battery bank with other MasterBus, CZone or NMEA 2000 enabled devices such as battery chargers, inverter/chargers and displays. No surprises: allowing complete automation of...
    $433.10
    $719.41
    $433.10
  • Guest 2101 Cruiser Series Battery Selector Switch w/o AFD [2101]
    Guest

    Guest 2101 Cruiser Series Battery Selector Switch w/o AFD [2101]

    $85.74
    $156.95
    $85.74
    Cruiser Series Battery Selector Switch without AFDThis battery switch can be used on 6, 12, 24 or 36V systems.Features: Polycarbonate case Surface mount Cable Lug Size: 3/8" Dimensions: 5.50" x 2.63" WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is...
    $85.74
    $156.95
    $85.74
  • BEP 200 Amp ANL Fuse
    BEP

    BEP 200 Amp ANL Fuse

    $31.99
    $47.19
    $31.99
    BEP 200 Amp ANL FuseModel: IP200P/DSPANL Fuse, 200AWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.Brand: BEPUPC: 870216003900Model Number: IP200P/DSPWeight: 0.100000
    $31.99
    $47.19
    $31.99