Blue Sea 7143 187-Series Circuit Breaker Surface Mount 90A Switch Marine


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Product Details

New Blue Sea Systems 187-Series Circuit Breaker – Surface Mount 90A. Part number 7143.

  • Combines switching and circuit protection into a single device*
  • 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 M8 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
  • Meets SAE J1171 external ignition protection requirements

  • * Do not use as a switch where high inrush currents are expected.

  • Amperage: 90A
  • Maximum Voltage: 48V DC
  • Mounting: Surface Mount
  • Circuit Breaker Type: Thermally responsive Bi-metal blade
  • Terminal Stud Torque: 75 in-lb (8.47 Nm)
  • Interrupt Capacity: 5000A @ 12V, 3000A @ 24V, 1500A @ 42V
  • Minimum Operating Temperature: -40 degree C
  • Maximum Operating Temperature: 85 degree C
  • Case Material: Thermoset Polyester
  • Circuit Breaker Class: Type III – switchable/manual reset – trip free
  • Mounting Hole: Accept #10 (M5) Screw
  • Terminal Stud Size: 5/16″ – 18
  • Weight: 0.58lb (0.26 kg)

Additional information

Product Specifications
Part Number7143
Shipping Weight0.7 lbs
TypeCircuit Breaker
Shipping Dimensions4" x 3" x 2"
Country of ManufactureMexico
BrandBlue Sea
ModelBlue Sea 7143
WarrantyLimited Lifetime
Item Weight0.6 lbs
Manufacturer Part Number7143
ManufacturerBlue Sea Systems