New Blue Sea Systems 187-series surface-mount 50A circuit breaker and switch. Part number 7139.

Features

• Combines switching and circuit protection into a single device (do not use as a switch where high inrush currents are expected)
• 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

Specifications

• Amperage: 50A
• 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 degrees C
• Maximum Operating Temperature: 85 degrees 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)

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