Defender US
Free Shipping on orders over $99*

Blue Sea Systems

430 Listed

  1. Blue Sea Fast Charge - Dual USB Charger - 1045

    $54.99
    0

  2. Blue Sea Systems Dual PowerPost Cable Connectors

    $23.99
    0

  3. Blue Sea Systems Mini Add-A-Battery Kit - 7649

    $160.99
    0

  4. Blue Sea Systems 10-Position DC Branch Circuit Breaker Panel - 8082

    $411.99

  5. Blue Sea Systems m-Series Mini Selector Battery Switch

    $40.99 - $49.99

  6. Blue Sea Systems Marine Grade Dual GFCI Receptacle - 1698

    $59.99
    1

  7. Blue Sea Systems Powerpost Cable Connector

    $15.22 - $16.22
    1

  8. Blue Sea Systems CableCap Stud Insulators

    $4.00 - $6.17
    2

  9. Blue Sea Systems Dual Battery Bank Management Panel - 8686

    $192.99
    0
  10. Up to 19% off

    Blue Sea Systems AGC Fuses

    $3.76 - $5.04
    0

  11. Blue Sea Systems Circuit Breaker Enclosure - 3131

    $55.99
    0

  12. Blue Sea Systems M2 OLED Digital Tank Monitor - 1839

    $275.99
    1

  13. Blue Sea Systems MEGA/AMG Fuses

    $11.16
    0

  14. Blue Sea Systems Dash Socket - 12V

    $13.29

  15. Blue Sea Systems ST Blade 6-Fuse Independent Fuse Block

    $42.99 - $49.99
  16. Up to 20% off

    Blue Sea Systems Contura II Rocker Switch

    $15.34 - $21.99
    1

  17. Blue Sea Systems 3-Position AC Branch Circuit Breaker Panel - 8058

    $146.99
    0

  18. Blue Sea Systems 6-Position AC Main Circuit Breaker Panel - 1202

    $346.99
    0

  19. Blue Sea Systems AMI/MIDI Safety Fuse Block - 7720

    $41.99
    0

  20. Blue Sea Systems 4-Position DC Branch Circuit Breaker Panel - 1216

    $187.99
    1

  21. Blue Sea Systems M2 DC Voltmeter - 1833

    $271.99

  22. Blue Sea Systems Contura Water Resistant 5-Position DC Switch Panel with USB Charger - 8121

    $197.99

  23. Blue Sea Systems 8-Position AC Source Selection Circuit Breaker Panel - 8467

    $259.99
    1

  24. Blue Sea Systems e-Series Selector Battery Switch - 9001E

    $46.99
    1

  25. Blue Sea Systems M2 OLED Digital Bilge Meter - 1842

    $301.99
    0

  26. Blue Sea Systems Water-Resistant DC Circuit Breaker Switch Panel

    $45.99 - $58.99

  27. Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch

    $50.99
    1

  28. Blue Sea Systems AC Source Selection Toggle Circuit Breaker Panel - 8032

    $186.99
    0

  29. Blue Sea Systems 8-Position DC Branch Circuit Breaker Panel - 1225

    $322.99
    0

  30. Blue Sea Systems ML-Series Momentary Solenoid Switch

    $170.99 - $196.99
    0
  31. Up to 10% off

    Blue Sea Systems DC Analog Ammeter

    $39.99 - $73.99
    0

  32. Blue Sea Marine-Grade Short Stop DC Circuit Breakers

    $13.16
    0

  33. Blue Sea ST-Blade Battery Terminal Mount Fuse Block - 5023

    $31.99
    1

  34. Blue Sea Systems 3-Position AC Main Circuit Breaker Panel - 8029

    $136.99
    0

  35. Blue Sea Systems 6-Position DC Branch Circuit Breaker Panel - 8096

    $249.99
    0

  36. Blue Sea Systems MIDI/AMI Fuses

    $8.47
    1

  37. Blue Sea Systems 12/24V L-Series Solenoid Switch - 9012

    $246.99
    1

  38. Blue Sea Systems C-Series Raised Rocker Circuit Breaker

    $76.99
    0

  39. Blue Sea Systems AC Source Selection Rotary Switch Panel - 8367

    $213.99
    1

  40. Blue Sea Systems Dual Battery Bank Management Panel - 8080

    $198.99
    0

  41. Blue Sea Systems Extended DC Panel Label Set - 8039

    $35.99

  42. Blue Sea Systems AC Digital Ammeter - 8238

    $245.99

  43. Blue Sea Systems Weather Deck Waterproof Non-Fused Switch Panel

    $35.99 - $94.99
    0

  44. Blue Sea Systems 4 Stud MiniBus Common BusBar

    $14.01 - $17.16
    2

  45. Blue Sea Systems SafetyHub 150 Fuse Block - 7748

    $162.99
    1

  46. Blue Sea Systems DC Square Format Waterproof Labels (120Pack) - 4217

    $20.99

  47. Blue Sea ST CLB 6 Position Circuit Breaker Block with Negative Bus - 5052

    $72.99
    1

  48. Blue Sea Systems L-Series Solenoid - 7765

    $182.99
Previous3 / 9Next

0Filters

Departments
Manufacturer
Price
1.47
1571.99
AWG
More Ways To Shop
Availability
Fulfillment
Amperage (A)
Voltage (V)

Change Locale

United States - English Shop in currency: USD
Canada - English Shop in currency: CAD
Canada - Français Shop in currency: CAD

Explore

Guides
Brands

Helpful Information

Track My Order
Shipping Policy
Return Policy
Outlet Store
Commercial Accounts

Get In Touch

Customer Service
1-800-435-7180
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use
Accessibility Statement

Stay Connected

X
Facebook
Instagram
YouTube
Toggle desktop/mobile version
2026 © Defender. All Rights Reserved.