Blue Sea Systems 187-Series Circuit Breaker – Surface Mount 40A (BS7138)

Blue Sea Systems 187-Series Circuit Breaker – Surface Mount 40A (BS7138)

• • 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.

Specifications
Amperage	40A
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 @ 14VDC 3000A @ 28VDC 1500A @ 48VDC
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
Weight	0.58Lb (0.26 Kg)