Welcome to Defender Canada! 
Deals
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Up to 19% off
Blue Sea Systems A-Series Toggle Circuit Breaker
$19.38 - $76.72 -
Up to 9% off
Blue Sea Systems C-Series Toggle Circuit Breaker
$71.65 - $293.86 -
Up to 19% offBlue Sea Systems ANL Fuse
$44.29 - $83.77 -
Up to 14% offBlue Sea Systems A-Series Flat Rocker Circuit Breaker
$40.06 - $80.95 -
Up to 18% offBlue Sea Systems Push Button Reset-Only Circuit Breaker
$6.14 - $80.95 -
Up to 19% offBlue Sea Systems Surface Mount 187-Series Thermal Circuit Breaker
$119.02 - $195.16 -
Up to 19% offBlue Sea Systems ATO/ATC Fuses
$4.50 - $30.19 -
MTI Industries Safe-T-Alert 45 Series Dual Carbon Monoxide/Propane Alarm
$145.81 - $152.86 -
MTI Industries Safe-T-Alert FX-4 Carbon Monoxide Alarm
$121.84 - $209.26 -
Up to 24% off
Blue Sea Systems Contura III Water Resitant Rocker Switch
$12.77 - $35.83 -
MTI Industries Safe-T-Alert 62 Series Carbon Monoxide Alarm
$109.15 -
Up to 16% offBlue Sea C-Series Flat Rocker Circuit Breaker
$68.26 - $90.70 -
MTI Industries Safe-T-Alert 25 Series Dual Carbon Monoxide/Propane Alarm
$121.84 - $292.45 -
MTI Industries Safe-T-Alert SA-340 Sealed Battery Carbon Monoxide Alarm
$104.92 -
MTI Industries Safe-T-Alert Marine Gas Fume/Fire/Bilge Water Alarm - MGD-1XL
$334.75 -
Up to 24% offBlue Sea Systems 187-Series Thermal Circuit Breaker
$110.56 - $195.16 -
Up to 18% offBlue Sea Systems AGC Fuses
$5.90 - $7.70 -
Up to 19% offBlue Sea Systems Contura II Rocker Switch
$22.23 - $31.60 -
MTI Industries Safe-T-Alert 35 Series Dual Carbon Monoxide/Propane Alarm
$145.81 - $279.76 -
Blue Sea Systems m-Series Mini Dual Circuit Battery Switch
$88.00 -
Up to 9% offBlue Sea Systems DC Analog Ammeter
$56.98 - $104.92 -
Up to 18% offBlue Sea Systems AGC Fuse Kit
$9.75 - $42.88 -
MTI Industries Safe-T-Alert 85 Series Dual Carbon Monoxide/Propane Alarm
$103.51 - $107.74 -
9% offBlue Sea Systems e-Series Selector 3-Position Battery Switch with AFD - 11001
$60.23 -
Up to 14% offBlue Sea System UL-489 Flat Rocker Circuit Breaker
$54.52 - $97.87 -
9% offBlue Sea Systems SMS Circuit Breaker Enclosure Panel - 3134
$421.94 -
18% off
Blue Sea Systems Contura Actuator
$7.65 - $9.61 -
19% off
Blue Sea Systems Dual Entry Cable Cap
$13.40 - $16.46 -
Up to 14% off
Blue Sea Systems Terminal Feed Through Connector
$32.94 - $38.65 -
MTI Industries Safe-T-Alert 20 Series Propane Alarm
$85.18 -
MTI Industries Safe-T-Alert 30 Series Propane Alarm
$90.82 - $93.64 -
19% offAquaLock Metric Stackable Tee - 15 mm (9/16") - 81902172
$13.03 -
19% offBlue Sea Systems Powerpost Plus Cable Connector
$32.17 - $40.06 -
Up to 34% offBlue Sea Systems ATM Fuses
$2.67 - $5.05 -
19% offBlue Sea Systems MRBF Surface Mount Fuse Block - Independent Source - 5194
$77.29 -
AquaLock CTS Plastic Stackable Elbow Fitting - 1/2" - 81902941
$11.27 -
Up to 14% offBlue Sea ST-Blade Water-Resistant Fuse Block
$65.30 - $66.85 -
Up to 12% offBlue Sea Systems Toggle Panel Switch
$13.71 - $24.00 -
Up to 23% offBlue Sea ATO/ATC-Style Low Profile Circuit Breakers
$11.28 - $17.54 -
14% offBlue Sea Water-Resistant Accessory Panel - 4367
$32.94 -
9% offBlue Sea Systems 13-Position Backlight System - 8383
$29.77 -
9% offBlue Sea Contura Dual USB Charger - 1039
$70.38 -
AquaLock Plastic Stackable Tee - 1/2" CTS - 81902975
$12.48 -
47% offAquaLock Snap Clip - 1/2" - 0650913
$1.57 -
9% offBlue Sea Systems SMS Circuit Breaker Enclosure Panel - 3128
$699.85 -
14% offBlue Sea Systems V1 DC Square Format Waterproof Labels (30-Pack) - 4215
$18.32 -
14% offBlue Sea Systems 360 Series LED Voltage Conversion Kit - 4113
$11.17 -
9% offBlue Sea Water-Resistant Accessory Panel - 4369
$57.69