CBI Solar Red Deer

MRBF Terminal Fuse - Blue Sea

$16.30

The Blue Sea Systems MRBF Terminal Fuse provides high-capacity DC circuit protection for marine, RV, and battery-based electrical systems. Designed for compact installation, these fuses help protect batteries, wiring, and connected equipment against excessive current and short circuits.

With ratings from 30A to 300A, the MRBF fuse series is suitable for a range of DC applications, including battery banks, inverters, and other high-current circuits. Its ignition-protected design makes it suitable for installation aboard gasoline-powered boats when installed according to manufacturer requirements.

Key Features

  • Available amperage ratings from 30A to 300A

  • Designed for high-current DC circuit protection

  • Ignition-protected design for marine applications

  • High interrupt capacity for battery circuit protection

  • Clear inspection window for identifying a blown fuse

  • Colour-coded ratings for easy identification

  • Compact terminal-mounted design

  • Compatible with Blue Sea Systems MRBF terminal fuse blocks, including models 5191 and 2151

Specifications

Specification

Details

Brand

Blue Sea Systems

Product

MRBF Terminal Fuse

Fuse Type

Marine Rated Battery Fuse (MRBF)

Available Ratings

30A, 40A, 50A, 60A, 75A, 80A, 90A, 100A, 125A, 150A, 175A, 200A, 250A, 300A

Maximum Voltage

58V DC

Interrupt Capacity

10,000A at 14V DC; 5,000A at 32V DC; 2,000A at 58V DC

Ignition Protected

Yes

Compatible Fuse Blocks

Blue Sea Systems 5191 and 2151

Typical Applications

  • Marine battery systems

  • RV and camper electrical systems

  • Battery bank protection

  • Inverter power circuits

  • Off-grid electrical installations

  • High-current DC distribution systems

Installation note: This fuse must be installed using a compatible terminal fuse block. Blue Sea Systems specifically warns against mounting the fuse directly to the battery terminal. Select the appropriate amperage based on the connected equipment, conductor size, and system requirements.

Need compatibility or sizing help?Contact CBI Solar before ordering and we can help verify the application.