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

Description

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

The Blue Sea Systems 187-Series Circuit Breaker – Surface Mount 50A is designed for marine and mobile electrical circuit protection.

• 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

For best results, match the fuse or breaker rating to the protected conductor and load, and confirm voltage, interrupt rating, mounting clearance, and terminal requirements before installation.

Specifications

• Amperage: 50A
• Maximum Voltage: 48V DC
• Mounting: Surface Mount
• Circuit Breaker Type: Thermally responsive bimetal blade
• Terminal Stud Torque: 75 in-lb (8.47 N·m)
• Interrupt Capacity: 5,000A @ 14V DC / 3,000A @ 28V DC / 1,500A @ 48V DC
• 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: 0.58 lb (0.26 kg)
• Product Envelope: Approx. 3.00 in L × 1.75 in W × 2.00 in H (76.2 mm × 44.5 mm × 50.8 mm); verify mounting from Blue Sea drawing for final panel layout
• Manufacturer: Blue Sea Systems
• Part Number: 7139