Welcome to Defender Canada! 
Circuit Breakers
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13% off
Blue Sea Systems A-Series Toggle Circuit Breaker
$19.55 - $56.54$19.55 - $56.54 -
13% off
Blue Sea Systems C-Series Toggle Circuit Breaker
$49.29 - $210.19$49.29 - $210.19 -
14% offBlue Sea Systems Surface Mount 187-Series Thermal Circuit Breaker
$113.09 - $154.02$99.22 - $154.02 -
14% offBlue Sea Systems 285-Series Circuit Breaker Surface Mount
$72.49 - $73.94$62.23 - $73.94 -
14% offBlue Sea Systems 187-Series Thermal Circuit Breaker
$113.09 - $158.13$96.76 - $158.13 -
Blue Sea Systems Push Button Reset-Only Circuit Breaker
$7.06 - $68.14 -
14% offBlue Sea Systems 285-Series Circuit Breaker Panel Mount
$60.89 - $79.74$60.89 - $79.74 -
13% offBlue Sea Systems A-Series Flat Rocker Circuit Breaker
$30.44 - $57.99$30.44 - $57.99 -
Blue Sea A-Series ELCI Main Residual Current Toggle Circuit Breaker - 3106 100
$242.14 -
Blue Sea Systems C-Series Raised Rocker Circuit Breaker
$77.30 - $144.43 -
Blue Sea C-Series Flat Rocker Circuit Breaker
$48.53 - $184.16 -
Blue Sea Marine-Grade Short Stop DC Circuit Breakers
$11.47 - $13.49 -
25% offBlue Sea ATO/ATC-Style Low Profile Circuit Breakers
$12.48 - $16.23$11.93 - $16.23 -
48% offWhitecap Push Button Thermal AC/DC Circuit Breaker
$6.66 - $13.04$6.65 - $8.69 -
Blue Sea A-Series ELCI Main Residual Current Flat Rocker Circuit Breaker - 3102100
$230.54 -
Blue Sea System UL-489 Flat Rocker Circuit Breaker
$47.16 - $69.08 -
SmartPlug ELCI Sensor & 30A Breaker Combo Kit
$958.88 - $1,230.03 -
Blue Sea Systems COTS Military Grade A-Series Circuit Breaker
$95.11 -
Blue Sea System UL-489 Raised Rocker Circuit Breaker
$77.30 -
Blue Sea Systems A-Series Raised Rocker Circuit Breaker
$55.38