Welcome to Defender Canada! 
Circuit Breakers
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19% off
Blue Sea Systems A-Series Toggle Circuit Breaker
$21.30 - $77.58$21.30 - $77.58 -
9% off
Blue Sea Systems C-Series Toggle Circuit Breaker
$59.38 - $291.78$53.50 - $291.78 -
9% offBlue Sea Systems Surface Mount 187-Series Thermal Circuit Breaker
$111.18 - $193.78$100.12 - $193.78 -
Blue Sea Systems 285-Series Circuit Breaker Surface Mount
$66.38 - $80.38 -
9% offBlue Sea Systems Push Button Reset-Only Circuit Breaker
$7.49 - $80.38$6.80 - $80.38 -
9% offBlue Sea Systems 285-Series Circuit Breaker Panel Mount
$70.58 - $88.78$63.58 - $88.78 -
Blue Sea Systems A-Series Flat Rocker Circuit Breaker
$36.98 - $80.38 -
19% offBlue Sea Systems 187-Series Thermal Circuit Breaker
$109.78 - $193.78$87.94 - $193.78 -
Blue Sea System UL-489 Flat Rocker Circuit Breaker
$63.58 - $97.18 -
Lewmar Windlass Thermal Circuit Breaker
$171.38 - $182.58 -
Blue Sea C-Series Flat Rocker Circuit Breaker
$67.78 - $253.98 -
Lewmar Circuit Breaker
$165.78 - $804.18 -
48% offWhitecap Push Button Thermal AC/DC Circuit Breaker
$7.02 - $13.18$6.79 - $9.04 -
14% offBlue Sea Marine-Grade Short Stop DC Circuit Breakers
$11.67 - $19.37$10.01 - $19.37 -
Blue Sea ST CLB 6 Position Circuit Breaker Block with Negative Bus - 5052
$102.78 -
33% offBlue Sea ATO/ATC-Style Low Profile Circuit Breakers
$13.24 - $16.73$10.63 - $16.73 -
Blue Sea Systems COTS Military Grade A-Series Circuit Breaker
$147.58 -
Blue Sea Systems A-Series Restricted Off Flat Rocket Circuit Breaker
$43.98 - $45.38