Circuit Breaker Series 285 Surface Mount 40A

Blue Sea Systems
  • Drop in replacement for 185-Series Circuit Breakers
  • Visible reset lever shows open condition
  • Ignition protected - Safe for installation aboard gasoline powered boats
  • Meets SAE J1171 external ignition protection requirements
  • Weather Resistant
  • Combines switching and circuit breaker function into one unit*
  • "Trip Free" - cannot be held closed after trip


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

Amperage 40A
Maximum Voltage 48V DC
Mounting Surface Mount
Circuit Breaker Type Thermally responsive Bi-metal blade
Terminal Stud Torque 50 in-lb (5.65 Nm)
Interrupt Capacity* 3000A @ 48V**
Minimum Operating Temperature -40° C
Maximum Operating Temperature 85° C
Circuit Breaker Class Type III - switchable/manual reset - trip free
Terminal Stud M6 (accepts 1/4" Ring Terminal)
Weight 0.50lb (0.23 kg)


*The fault current that a device, normally a fuse or circuit breaker is capable of breaking without damage.

**Achieved using SAE J1625