Welcome to Defender Canada! 
Circuit Breakers
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19% off
Blue Sea Systems A-Series Toggle Circuit Breaker
$22.19 - $64.82$22.19 - $64.82 -
9% off
Blue Sea Systems C-Series Toggle Circuit Breaker
$61.90 - $245.86$55.77 - $245.86 -
14% offBlue Sea Systems Surface Mount 187-Series Thermal Circuit Breaker
$115.92 - $165.56$102.35 - $165.56 -
14% offBlue Sea Systems A-Series Flat Rocker Circuit Breaker
$34.16 - $67.74$34.16 - $67.74 -
Blue Sea Systems 285-Series Circuit Breaker Surface Mount
$69.20 - $73.58 -
Blue Sea A-Series ELCI Main Residual Current Toggle Circuit Breaker - 3106 100
$492.60 -
Blue Sea C-Series ELCI Main Residual Current Rocker Circuit Breaker
$648.82 - $788.98 -
14% offBlue Sea Systems Push Button Reset-Only Circuit Breaker
$7.78 - $72.12$7.07 - $72.12 -
9% offBlue Sea A-Series ELCI Main Residual Current Flat Rocker Circuit Breaker - 3102100
$472.16$425.01 -
19% offBlue Sea Systems 285-Series Circuit Breaker Panel Mount
$61.90 - $75.04$55.77 - $75.04 -
Blue Sea C-Series Flat Rocker Circuit Breaker
$57.52 - $215.20 -
19% offBlue Sea Systems 187-Series Thermal Circuit Breaker
$114.46 - $169.94$91.69 - $169.94 -
14% offBlue Sea Marine-Grade Short Stop DC Circuit Breakers
$12.15 - $14.56$10.41 - $14.56 -
Blue Sea Systems C-Series Raised Rocker Circuit Breaker
$91.10 - $168.48 -
Blue Sea ST CLB 6 Position Circuit Breaker Block with Negative Bus - 5052
$88.18 -
Blue Sea System UL-489 Flat Rocker Circuit Breaker
$56.06 - $82.34 -
Blue Sea ST CLB 12 Position Independent Circuit Breaker Block - 5051
$114.48 -
33% offBlue Sea ATO/ATC-Style Low Profile Circuit Breakers
$13.78 - $17.42$11.06 - $17.42 -
13% off
Blue Sea Systems Push Button Reset-Only Circuit Breaker Boots
$6.63$5.74 - $6.64 -
Blue Sea Systems A-Series Restricted Off Flat Rocket Circuit Breaker
$37.08 - $38.54 -
Blue Sea Systems A-Series Raised Rocker Circuit Breaker
$66.28 -
Blue Sea ST CLB 6 Position Independent Circuit Breaker Block - 5050
$70.66 -
Blue Sea Systems COTS Military Grade A-Series Circuit Breaker
$111.54 -
Seachoice Mini Push to Reset Circuit Breaker
$8.04 - $9.65 -
Blue Sea System UL-489 Raised Rocker Circuit Breaker
$91.10 -
Blue Sea Systems C-Series Flat Rocker Circuit Breaker
$213.74 - $305.74 -
Seachoice Clear Circuit Breaker Boots - 12371
$9.80 -
Seachoice Circuit Breaker Bracket - 13711
$12.57 -
Seachoice Circuit Breaker
$8.66 -
Seachoice Circuit Breaker for LED Switch Panel
$8.89 - $9.65 -
Seachoice Manual Circuit Breaker
$9.17 - $13.45 -
Seachoice 285 Series Circuit Breaker
$76.50 -
Sierra Mercruiser Circuit Breaker - 60A - 18-15501
$113.00 -
Sierra Volvo/Penta Circuit Breaker - 18-69550
$73.58 -
Sierra 4-Position Weather Resistant Switch Panel with Circuit Breaker - SP21000
$197.68