Blue Sea Systems
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![Blue Sea 1331 AC Insulating Cover f/1 Module [1331]](http://www.marinepartsandelectronics.com/cdn/shop/files/64908XL_650x_crop_center.jpg?v=1732371353)
![Blue Sea 1331 AC Insulating Cover f/1 Module [1331]](http://www.marinepartsandelectronics.com/cdn/shop/files/64908BXL_650x_crop_center.jpg?v=1732371355)
Blue Sea 1331 AC Insulating Cover f/1 Module [1331]
Sale price
$41.95 USDRegular price
$50.99 USD
Regular price
$41.95 USD
Unit price
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![Blue Sea 3125 Medium Cable Gland - #14-#10 Cable [3125]](http://www.marinepartsandelectronics.com/cdn/shop/files/64483XL_650x_crop_center.jpg?v=1732370899)
Blue Sea 3125 Medium Cable Gland - #14-#10 Cable [3125]
Sale price
$6.95 USDRegular price
$8.49 USD
Regular price
$6.95 USD
Unit price
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![Blue Sea 7903 Battery Switch Key Lock Replacement - Red [7903]](http://www.marinepartsandelectronics.com/cdn/shop/files/64374XL_650x_crop_center.jpg?v=1732370689)
![Blue Sea 7903 Battery Switch Key Lock Replacement - Red [7903]](http://www.marinepartsandelectronics.com/cdn/shop/files/64374BXL_650x_crop_center.jpg?v=1732370691)
Blue Sea 7903 Battery Switch Key Lock Replacement - Red [7903]
Sale price
$6.95 USDRegular price
$7.99 USD
Regular price
$6.95 USD
Unit price
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![Blue Sea 7517 P12 Battery Charger Display [7517]](http://www.marinepartsandelectronics.com/cdn/shop/files/64362XL_650x_crop_center.jpg?v=1732370669)
![Blue Sea 7517 P12 Battery Charger Display [7517]](http://www.marinepartsandelectronics.com/cdn/shop/files/64362BXL_650x_crop_center.jpg?v=1732370671)
Blue Sea 7517 P12 Battery Charger Display [7517]
Sale price
$268.95 USDRegular price
$269.99 USD
Regular price
$268.95 USD
Unit price
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![Blue Sea 7399 A-Series Flat Rocker Circuit Breaker - Single Pole - 2.5A [7399]](http://www.marinepartsandelectronics.com/cdn/shop/files/64361XL_650x_crop_center.jpg?v=1732370662)
Blue Sea 7399 A-Series Flat Rocker Circuit Breaker - Single Pole - 2.5A [7399]
Sale price
$34.95 USDRegular price
$39.99 USD
Regular price
$34.95 USD
Unit price
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![Blue Sea 7197 A-Series White Toggle Circuit Breaker - Single Pole 2.5A [7197]](http://www.marinepartsandelectronics.com/cdn/shop/files/64359XL_650x_crop_center.jpg?v=1732370654)
Blue Sea 7197 A-Series White Toggle Circuit Breaker - Single Pole 2.5A [7197]
Sale price
$26.95 USDRegular price
$30.99 USD
Regular price
$26.95 USD
Unit price
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![Blue Sea 5194 MRBF Surface Mount 3 Circuit Fuse Block - Independent Source [5194]](http://www.marinepartsandelectronics.com/cdn/shop/files/64352XL_650x_crop_center.jpg?v=1732370602)
Blue Sea 5194 MRBF Surface Mount 3 Circuit Fuse Block - Independent Source [5194]
Sale price
$86.95 USDRegular price
$99.99 USD
Regular price
$86.95 USD
Unit price
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per
![Blue Sea 1821 Universal Temperature Sensor [1821]](http://www.marinepartsandelectronics.com/cdn/shop/files/64340XL_650x_crop_center.jpg?v=1732370578)
Blue Sea 1821 Universal Temperature Sensor [1821]
Sale price
$17.95 USDRegular price
$21.99 USD
Regular price
$17.95 USD
Unit price
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![Blue Sea 1741 Mini OLED Temperature Meter [1741]](http://www.marinepartsandelectronics.com/cdn/shop/files/64338XL_650x_crop_center.jpg?v=1732370571)
Blue Sea 1741 Mini OLED Temperature Meter [1741]
Sale price
$74.95 USDRegular price
$90.99 USD
Regular price
$74.95 USD
Unit price
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![Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 40 Amps [2137]](http://www.marinepartsandelectronics.com/cdn/shop/files/63012XL_650x_crop_center.jpg?v=1732367751)
Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 40 Amps [2137]
Sale price
$9.95 USDRegular price
$10.99 USD
Regular price
$9.95 USD
Unit price
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![Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 25 Amps [2135]](http://www.marinepartsandelectronics.com/cdn/shop/files/63010XL_650x_crop_center.jpg?v=1732367735)
Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 25 Amps [2135]
Sale price
$9.95 USDRegular price
$10.99 USD
Regular price
$9.95 USD
Unit price
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per
![Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 5 Amps [2130]](http://www.marinepartsandelectronics.com/cdn/shop/files/62200XL_650x_crop_center.jpg?v=1732366669)
Blue Sea Push Button Reset Only Screw Terminal Circuit Breaker - 5 Amps [2130]
Sale price
$9.95 USDRegular price
$10.99 USD
Regular price
$9.95 USD
Unit price
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![Blue Sea 7931 Contura II Switch SPDT Black - ON-OFF-ON [7931]](http://www.marinepartsandelectronics.com/cdn/shop/files/61064XL_650x_crop_center.jpg?v=1732364750)
![Blue Sea 7931 Contura II Switch SPDT Black - ON-OFF-ON [7931]](http://www.marinepartsandelectronics.com/cdn/shop/files/61064BXL_650x_crop_center.jpg?v=1732364752)
Blue Sea 7931 Contura II Switch SPDT Black - ON-OFF-ON [7931]
Sale price
$19.95 USDRegular price
$23.99 USD
Regular price
$19.95 USD
Unit price
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![Blue Sea 7930 Contura II Switch SPST Black - OFF-(ON) [7930]](http://www.marinepartsandelectronics.com/cdn/shop/files/61063XL_650x_crop_center.jpg?v=1732364740)
![Blue Sea 7930 Contura II Switch SPST Black - OFF-(ON) [7930]](http://www.marinepartsandelectronics.com/cdn/shop/files/61063BXL_650x_crop_center.jpg?v=1732364742)
Blue Sea 7930 Contura II Switch SPST Black - OFF-(ON) [7930]
Sale price
$21.95 USDRegular price
$25.99 USD
Regular price
$21.95 USD
Unit price
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![Blue Sea 7495 360 Panel - Rocker Switch DPDT - (ON)-OFF-(ON) [7495]](http://www.marinepartsandelectronics.com/cdn/shop/files/57264XL_650x_crop_center.jpg?v=1732357725)
Blue Sea 7495 360 Panel - Rocker Switch DPDT - (ON)-OFF-(ON) [7495]
Sale price
$5.95 USDRegular price
$6.99 USD
Regular price
$5.95 USD
Unit price
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![Blue Sea 7492 360 Panel - Rocker Switch DPDT - ON-OFF-ON [7492]](http://www.marinepartsandelectronics.com/cdn/shop/files/57261XL_650x_crop_center.jpg?v=1732357709)
Blue Sea 7492 360 Panel - Rocker Switch DPDT - ON-OFF-ON [7492]
Sale price
$5.95 USDRegular price
$6.99 USD
Regular price
$5.95 USD
Unit price
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per