Blue Sea Systems 7139 187-Series Circuit Breaker - Surface Mount 50A

Blue Sea Systems 7139 187-Series Circuit Breaker - Surface Mount 50A

187-Series Circuit Breaker - Surface Mount 50A, to a maximum of 48V DC. Large lever with vertical/horizontal orientation provides indication of trip status.

Features:

• Combines switching and circuit protection into a single device*
• Clear, single lever operation
• "Trip Free" design cannot be held "ON" during fault current condition
• 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
• Ignition protected - Safe for installation aboard gasoline powered boats
• Meets SAE J1171 external ignition protection requirements

Installation Notes:

• Terminal Stud Torque: 75 in-lb (8.47 Nm)

Why Choose a Resettable Circuit Breaker?

• Resets by hand after a fault, so there are no spare fuses to carry or lose
• Shows the fault instead of hiding it, so a tripped circuit is obvious at the panel
• Sized for marine DC and AC loads rather than an automotive accessory circuit
• Protects the wiring, not just the device on the end of it

Specifications:

• Amperage: 50A
• Maximum Voltage: 48V DC
• Mounting: Surface Mount
• Circuit Breaker Type: Thermally responsive Bi-metal blade
• 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)