This product has been discontinued.

We have discontinued this product permanently. Please find alternative products from below section.

DISCONTINUED - NO REPLACEMENT (Circuit Breaker 187 Surface 100A)


  • 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 accecpt 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.



    Maximum Voltage

    48V DC


    Surface Mount

    Circuit Breaker Type

    Thermally responsive Bi-metal blade

    Interrupt Capacity

    5000A @ 12V
    3000A @ 24V
    1500A @ 42V

    Minimum Operating Temperature

    -40° C

    Maximum Operating Temperature

    85° 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

    Terminal Stud Torque

    75 in-lb (8.47 Nm)


    0.58lb (0.26 kg)

    Dimensioned drawing