Shopping from Canada? 
Go to Defender Canada!
Blue Sea Systems
-
Blue Sea Systems Water Resistant Panel Mount Fuse Holder - 5021
$7.77 -
Blue Sea Systems MaxiBus Insulating BusBar Cover - 2719
$28.99 -
Blue Sea ST CLB 6 Position Circuit Breaker Block with Negative Bus - 5052
$72.99 -
Blue Sea Systems DC Branch Circuit Breaker Panel - 8120
$445.99 -
Blue Sea Systems Terminal Block Jumpers
$4.43 -
Blue Sea Systems DualBus Common BusBar - 100A
$18.79 - $20.99 -
Blue Sea Systems DC Switch Small Format Label Set
$9.36 - $18.31 -
Blue Sea Systems Weather Deck Waterproof Non-Fused Switch Panel
$35.99 - $94.99 -
Blue Sea Systems Plug - 12V - 1010
$13.76 -
Blue Sea Systems AC Insulating Back Cover - 4029
$127.99 -
Blue Sea Systems AC Source Selection Rotary Switch Panel - 8361
$474.99 -
Blue Sea Systems Backlit Push Button Switch
$68.99 -
Blue Sea Systems DC Analog Voltmeter Panel - 8015
$107.99 -
Blue Sea Systems 8-Position DC Branch Circuit Breaker Panel - 1450
$152.99 -
Blue Sea Systems m-ACR Mini Automatic Charging Relay - 7601
$75.99 -
Blue Sea Systems ML-Series Paralleling Link Bus - 9160
$16.88 -
20% offBlue Sea Systems MRBF Surface Mount Fuse Block - Independent Source - 5194
$67.99$54.39 -
Blue Sea Systems AC Residual Current Circuit Breaker Panel - 1502
$403.99 -
15% off
Blue Sea Systems Terminal Feed Through Connector
$23.99 - $26.99$22.94 - $26.99 -
Blue Sea Systems HD-Series Selector 3-Position Battery Switch with AFD - 11003
$114.99 -
Blue Sea Systems 360 Panel GFCI Dual Outlet - 120V AC - 1499
$198.99 -
Blue Sea Systems e-Series Dual Circuit Battery Switch - 5510e
$64.99 -
Blue Sea Systems Triple Battery Bank Management Panel - 8693
$382.99 -
Blue Sea Systems m-Series Locking Single Circuit On-Off Battery Switch
$33.99 - $34.99 -
Blue Sea Systems C-Series Flat Rocker Circuit Breaker
$178.99 - $263.99 -
Blue Sea Systems AC Analog Voltmeter
$36.99 - $37.99 -
Blue Sea ST CLB 12 Position Circuit Breaker Block with Negative Bus - 5054
$138.99 -
Blue Sea Systems Blank Circuit Breaker Mounting Panel - 8072
$20.99 -
Blue Sea Systems Weather Deck Toggle Switch Boot - 4138
$4.14 -
Blue Sea USB 2.0 Extension - 1044
$30.99 -
Blue Sea Systems 360 Panel Dual Outlet - 120V AC - 1479
$170.99 -
Blue Sea Systems M2 DC Ammeter - 1832
$290.99 -
Blue Sea ST CLB 12 Position Independent Circuit Breaker Block - 5051
$104.99 -
Blue Sea Systems 8-Position AC Main Circuit Breaker Panel - 8412
$263.99 -
Blue Sea Systems Contura Single Switch Mounting Panel
$6.87 - $14.76 -
Blue Sea Systems Digital Voltmeter Panel - 8051
$244.99 -
Blue Sea Systems DualBus Common BusBar Cover - 2709
$14.57 -
Blue Sea Systems DC Square Format Waterproof Labels (60-Pack) - 4216
$16.27 -
Blue Sea Systems Toggle Guard - 4100
$4.18 -
Blue Sea Systems Contura Switch Mount USB Charger - 1038
$64.99 -
Blue Sea Systems 360 Panel 12V Socket and Dual USB Charger - 1478
$116.99 -
Blue Sea Systems 360 Panel M2 Monitor Blank - 1525
$42.99 -
Blue Sea Systems ATO/ATC 6-Piece Fuse Kit - 5287
$7.63 -
Blue Sea Systems DC Analog Voltmeter - 8240
$37.99 -
15% offBlue Sea ST-Blade Water-Resistant Fuse Block
$46.99 - $53.99$45.89 - $46.99 -
19% off
Blue Sea Systems Contura Actuator
$6.24$5.00 - $6.39 -
Blue Sea Systems DC Digital Mulitimeter - 8248
$262.99 -
Blue Sea Systems DualBus Common BusBar Cover - 2710
$14.86