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Blue Sea Circuit Breaker 187 Surface Mount 50A

Blue Sea Circuit Breaker 187 Surface Mount 50A



Regular price £99.95
Regular price Sale price £99.95
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Blue Sea Circuit Breaker 187 Surface 50A.

  • Combines switching and circuit protection into a single device
  • All components meet SAE J1171 external ignition protection requirements
  • Clear, single lever operation
  • "Trip Free" design cannot be held "ON" during fault current condition
  • Waterproof
  • Recessed mounting holes for clean appearance
  • Large clearance around terminal studs accept heavy gauge wire lugs
  • Robust 5/16 terminals provide high torque connections
  • Large lever with vertical/horizontal orientation provides indication of trip status
  • Ignition protected - safe for installation aboard gasoline powered boats


  • Circuit Breaker Class Type III - Switchable/Manual Reset - Trip Free
  • Type Thermally Responsive Bi-Metal Blade
  • Case Material Thermoset Polyester
  • Amperage 25-150 Amperes
  • Voltage Rating 48 Volts DC Maximum
  • Interrupt Rating 5,000 Amperes@12 Volts DC
  • 3,000 Amperes@24 Volts DC
  • 1,500 Amperes@42 Volts DC
  • Operating Temperature Range
  • -25C° to +82C°
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