Blue Sea 50A Thermal Circuit Breaker - BS7139

Brand: Blue Sea
The Blue Sea 50A thermal circuit breaker provides reliable overload protection and waterproofing for marine electrical systems.
Manufacturer part number: BS7139
Vendor: Marine Point
Availability: 1 in stock
€140.84 incl tax
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The Blue Sea 50A thermal circuit breaker is designed to provide maximum protection against overloads and short circuits in marine electrical installations. Its absolute waterproofing makes it the ideal choice for installation in areas exposed to water or bilge vapors.

Technical Features

  • Rated current: 50A
  • Type: Thermal automatic
  • Waterproof rating: Waterproof
  • Brand: Blue Sea
  • Reference: BS7139
  • Resistant to salt fog

Main Advantages

  • Perfect for bilges, engine compartments, and exposed electrical boxes.
  • Allows a simple reset after tripping from overload.
  • Special corrosion-resistant materials selected.
  • Quick and safe installation.

Recommended Applications

  • Protection of main power lines, windlasses, pumps.
  • Suitable for higher power electrical systems on vessels.

Installation and Use Advice

  • Ensure mounting on clean, dry surfaces.
  • Respect indicated polarity and electrical flow direction.
  • Do not exceed the maximum load of 50A.
Rated current50A
Waterproof ratingWaterproof
TypeThermal automatic
ApplicationProtection of main circuits on boats
BrandBlue Sea
ReferenceBS7139

Strengthen your boat's electrical safety with a reliable and highly durable component.

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