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Blue Sea 1733 Mini OLED DC Voltmeter 1733
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$77.99
$51.99

Blue Sea 1733 Mini OLED DC Voltmeter [1733]

Blue Sea Systems

Mini OLED DC VoltmeterMonitors DC voltage on a bright, waterproof, daylight readable OLED screen Compact size enables mounting in any convenient l...

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$77.99
$51.99
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Blue Sea 1733200 Mini OLED Voltmeter  Blue 1733200
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$77.99
$51.99

Blue Sea 1733200 Mini OLED Voltmeter - Blue [1733200]

Blue Sea Systems

1733200 Mini OLED Voltmeter - BlueMonitors DC voltage on a bright, waterproof, daylight readable OLED screen. Features: Reverse polarity protected...

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$77.99
$51.99
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Blue Sea 1739 Mini OLED Tank Meter  Yellow 1739
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$81.99
$54.99

Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]

Blue Sea Systems

1739 Mini OLED Tank Meter - YellowMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:...

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$81.99
$54.99
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Blue Sea 1739200 Mini OLED Tank Meter  Blue 1739200
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$81.99
$54.99

Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]

Blue Sea Systems

1739200 Mini OLED Tank Meter - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features...

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$81.99
$54.99
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Blue Sea 1741 Mini OLED Temperature Meter 1741
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$113.99
$74.99

Blue Sea 1741 Mini OLED Temperature Meter [1741]

Blue Sea Systems

Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen Compact size ena...

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$113.99
$74.99
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Blue Sea 1741200 Mini OLED Temperature Monitor  Blue 1741200
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$113.99
$74.99

Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]

Blue Sea Systems

1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen...

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$113.99
$74.99
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Blue Sea 1810 VSM 422 Tank Sender Diesel Water or Waste Tank Level 1810
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$174.99
$115.99

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

Blue Sea Systems

1810Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Techno...

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$174.99
$115.99
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Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level 1811
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$218.99
$144.99

Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]

Blue Sea Systems

1811Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calibrated for each tank* Reliable - SSI Technolo...

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$218.99
$144.99
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Blue Sea 1820 Submersible Temperature Sensor 1820
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$29.99
$19.99

Blue Sea 1820 Submersible Temperature Sensor [1820]

Blue Sea Systems

1820 Submersible Temperature SensorFeatures: General temperature sensor designed to work for most applications. Easy double-sided tape installatio...

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$29.99
$19.99
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Blue Sea 1821 Universal Temperature Sensor 1821
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$23.99
$15.99

Blue Sea 1821 Universal Temperature Sensor [1821]

Blue Sea Systems

Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double-sided tape Waterproof design Temperature Ran...

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$23.99
$15.99
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Blue Sea 1830 M2 DC SoC State of Charge Monitor 1830
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$499.99
$329.99

Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]

Blue Sea Systems

M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features...

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$499.99
$329.99
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Blue Sea 1832 M2 DC Ammeter 1832
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$499.99
$329.99

Blue Sea 1832 M2 DC Ammeter [1832]

Blue Sea Systems

M2 DC AmmeterMonitors DC Amperage with large, bright display. Accurately measure and monitor the amperage of your DC system. (measures 2 circuits)...

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$499.99
$329.99
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Blue Sea 1833 M2 DC Voltmeter 1833
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$446.99
$294.99

Blue Sea 1833 M2 DC Voltmeter [1833]

Blue Sea Systems

M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto...

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$446.99
$294.99
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Blue Sea 1836 M2 AC Ammeter 1836
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$451.99
$297.99

Blue Sea 1836 M2 AC Ammeter [1836]

Blue Sea Systems

M2 AC AmmeterMonitors AC Amperage on large, bright display. Supports programmable current transformer ratios. Accurately measure and alarm the amp...

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$451.99
$297.99
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Blue Sea 1837 M2 AC Voltmeter 1837
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$498.99
$328.99

Blue Sea 1837 M2 AC Voltmeter [1837]

Blue Sea Systems

M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independen...

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$498.99
$328.99
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Blue Sea 1838 M2 AC Multimeter 1838
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$527.99
$347.99

Blue Sea 1838 M2 AC Multimeter [1838]

Blue Sea Systems

M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and mo...

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$527.99
$347.99
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Blue Sea 1839 M2 OLED Tank Monitor 1839
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$499.99
$329.99

Blue Sea 1839 M2 OLED Tank Monitor [1839]

Blue Sea Systems

M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming ...

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$499.99
$329.99
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Blue Sea 1842 M2 OLED Digital Bilge Meter 1842
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$498.99
$328.99

Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]

Blue Sea Systems

1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an a...

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$498.99
$328.99
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Blue Sea 1850 M2 Vessel Systems Monitor 1850
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$650.99
$428.99

Blue Sea 1850 M2 Vessel Systems Monitor [1850]

Blue Sea Systems

1850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one compact organic LED digital monitor.DC System Moni...

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$650.99
$428.99
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Blue Sea 2001 Power Post High Amperage Cable Connector 14 Stud 2001
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$20.99
$13.99

Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]

Blue Sea Systems

PowerPost High Amperage Cable Connector 1/4" StudFeatures: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not r...

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$20.99
$13.99
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Blue Sea 2002 PowerPost High Amperage Cable Connector 516 Stud 2002
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$19.99
$12.99

Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]

Blue Sea Systems

2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Conne...

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$19.99
$12.99
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Blue Sea 2003 PowerPost High Amperage Cable Connector 38 Stud 2003
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$19.99
$12.99

Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]

Blue Sea Systems

2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features: Connect...

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$19.99
$12.99
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Blue Sea 2010 PowerPost High Amperage Cable Connector 10 Stud 2010
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$12.99
$8.99

Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010]

Blue Sea Systems

PowerPost High Amperage Cable Connector #10 StudFeatures:  Insulated single stainless steel stud terminates multiple large conductors Connects hig...

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$12.99
$8.99
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Blue Sea 2011 PowerPost Mini High Amperage Cable Connector  14 Stud 2011
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$12.99
$8.99

Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]

Blue Sea Systems

2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features: ...

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$12.99
$8.99
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Blue Sea 2016 Dual PowerPost Cable Connectors  2 X 516 2016
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$31.99
$21.99

Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016]

Blue Sea Systems

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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$31.99
$21.99
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Blue Sea 2017 Dual PowerPost Cable Connectors  2 x 38 2017
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$31.99
$21.99

Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]

Blue Sea Systems

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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$31.99
$21.99
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Blue Sea 2018 Dual PowerPost Cable Connectors  1 X 516  1 X 38 2018
Save 31%
$31.99
$21.99

Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]

Blue Sea Systems

Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insula...

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$31.99
$21.99
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Blue Sea 2019 PowerBar Common BusBar  Dual 38 x 16 2019
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$34.99
$23.99

Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]

Blue Sea Systems

PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to...

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$34.99
$23.99
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Blue Sea 2020 PowerBar Dual BusBar  Two 3816 Studs 2020
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$25.99
$16.99

Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

Blue Sea Systems

PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximu...

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$25.99
$16.99
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Blue Sea 2101 PowerPost Plus Cable Connector  14 Stud 2101
Save 32%
$36.99
$24.99

Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101]

Blue Sea Systems

2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Feat...

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$36.99
$24.99
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Blue Sea 2102 PowerPost Plus Cable Connector  516 Stud 2102
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$36.99
$24.99

Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102]

Blue Sea Systems

2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Fea...

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$36.99
$24.99
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Blue Sea 2103 PowerPost Plus Cable Connector 38 Stud 2103
Save 32%
$36.99
$24.99

Blue Sea 2103 PowerPost Plus Cable Connector 3/8" Stud [2103]

Blue Sea Systems

2103 PowerPost Plus Cable Connector 3/8" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Featu...

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$36.99
$24.99
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Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 38 16 Stud Terminal 2104
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$176.99
$116.99

Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal [2104]

Blue Sea Systems

2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud TerminalSpecifications: Max Voltage: 300 V AC/48 V DC Number of Terminal Studs: 4 Terminal Ty...

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$176.99
$116.99
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Blue Sea 2105 MaxiBus 250AMP Common BusBars 12 x 10 Terminal Screws 2105
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$82.99
$54.99

Blue Sea 2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal Screws [2105]

Blue Sea Systems

2105 MaxiBus 250AMP Common BusBars 12 x #10 Terminal ScrewsBusbars are used to consolidate multiple wires or feed multiple circuits.Features: Inse...

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$82.99
$54.99
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Blue Sea 2107 PowerBar 600AMP Cable Connector  8 x 38 16 Stud Terminal 2107
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$244.99
$161.99

Blue Sea 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal [2107]

Blue Sea Systems

2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud TerminalSpecifications: Maximum Voltage: 300 V AC/48V DC Number of Terminal Studs: 8 Termi...

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$244.99
$161.99
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Blue Sea 2126 Maxibus 6 x 51618 Stud Common 2126
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$89.99
$59.99

Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126]

Blue Sea Systems

6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC Maximu...

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$89.99
$59.99
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Blue Sea 2127 Maxibus 4 x 51618 Stud Common 2127
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$69.99
$46.99

Blue Sea 2127 Maxibus 4 x 516-18 Stud Common [2127]

Blue Sea Systems

4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC Maximu...

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$69.99
$46.99
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Blue Sea 2128 Maxibus 6 x 1024Screws w2 x 516Studs 2128
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$55.99
$36.99

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

Blue Sea Systems

2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC M...

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$55.99
$36.99
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Blue Sea 2138 Medium Duty Push Button ResetOnly  15A 2138
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$82.99
$54.99

Blue Sea 2138 Medium Duty Push Button Reset-Only - 15A [2138]

Blue Sea Systems

2138Amperage: 15AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2139 Medium Duty Push Button ResetOnly  20A 2139
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$82.99
$54.99

Blue Sea 2139 Medium Duty Push Button Reset-Only - 20A [2139]

Blue Sea Systems

2139Amperage: 20AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2140 Medium Duty Push Button ResetOnly  30A 2140
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$82.99
$54.99

Blue Sea 2140 Medium Duty Push Button Reset-Only - 30A [2140]

Blue Sea Systems

2140Amperage: 30AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2141 Medium Duty Push Button ResetOnly  40A 2141
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$82.99
$54.99

Blue Sea 2141 Medium Duty Push Button Reset-Only - 40A [2141]

Blue Sea Systems

2141Amperage: 40AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2142 Medium Duty Push Button ResetOnly  50A 2142
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$82.99
$54.99

Blue Sea 2142 Medium Duty Push Button Reset-Only - 50A [2142]

Blue Sea Systems

2142Amperage: 50AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2143 Medium Duty Push Button ResetOnly  60A 2143
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$82.99
$54.99

Blue Sea 2143 Medium Duty Push Button Reset-Only - 60A [2143]

Blue Sea Systems

2143Amperage: 60AFeatures: Weatherproof Can be used as Main, Branch, or 24 hour circuit protection Compact design enables high density circuit...

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$82.99
$54.99
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Blue Sea 2145 MLSeries Remote Control Contura Switch  ON OFF ON 2145
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$42.99
$28.99

Blue Sea 2145 ML-Series Remote Control Contura Switch - (ON) OFF (ON) [2145]

Blue Sea Systems

2145Pole/Throw: SPDTAction: (ON) OFF (ON)Features:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose...

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$42.99
$28.99
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Blue Sea 2146 MLSeries Remote Control Contura Switch  ONOFFON 2146
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$39.99
$26.99

Blue Sea 2146 ML-Series Remote Control Contura Switch - ON-OFF-ON [2146]

Blue Sea Systems

2146Pole/Throw: SPDTAction: ON OFF ONFeatures:Vibration, shock, thermoshock, moisture and salt spray resistantWARNING: This product can expose you...

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$39.99
$26.99
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Blue Sea 2151 Terminal Fuse Block  38 Mounting Hole  2 Terminal Studs 2151
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$62.99
$41.99

Blue Sea 2151 Terminal Fuse Block - 3/8" Mounting Hole - 2 Terminal Studs [2151]

Blue Sea Systems

2151Features: New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC ...

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$62.99
$41.99
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Blue Sea 2155  Remote Control Contura Switch wLockout Slide 2155
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$43.99
$28.99

Blue Sea 2155 - Remote Control Contura Switch w/Lockout Slide [2155]

Blue Sea Systems

2155 - Remote Control Contura Switch  with Lockout Slide Vibration, shock, thermoschock, moisture and salt spray resistant Lockout slide reduces t...

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$43.99
$28.99
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