Blue Sea 5183 MRBF Terminal Fuse – 100A

The Blue Sea Systems 5183 MRBF Terminal Fuse – 100A is a high-performance fuse designed for marine and automotive applications, ensuring reliable circuit protection in demanding environments.

🔧 Key Features

• Amperage Rating: 100A

• Ignition Protected: Safe for installation aboard gasoline-powered boats

• Maximum Voltage: 58V DC

• Interrupt Capacity:

  • 10,000A @ 14V DC

  • 5,000A @ 32V DC

  • 2,000A @ 58V DC

• Ingress Protection: IP66-rated, ensuring resistance to dust and water

• Visual Indicator: Clear window for easy identification of blown fuse

• Color-Coded: Yellow for 100A

• Weight: 0.06 lb (0.03 kg)

• Mounting: Requires Terminal Fuse Blocks PN 5191 or PN 2151; not suitable for direct battery terminal mounting

⚙️ Specifications

• Material:

  • Fuse Body: Ceramic

  • Housing & Cover: UL-rated 94V0 Thermoplastic

  • Ring Terminals: Tin Plated

• Terminal Stud: M8 (5/16″)

• Maximum Torque: 75 in-lb (8.47 Nm)

• Operating Times:

  • 200% Rating: > 100 hours

  • 135% Rating: 900 seconds max

  • 350% Rating: 60 seconds minimum

  • 600% Rating: 0.1–1 second max, <0.2 seconds

🛠️ Applications

Ideal for:

• Main and auxiliary circuit protection in marine and automotive systems

• Alternator outputs

• Starter motor inputs

• Accessory circuits requiring high-current protection in confined spaces

Additional information