A 40-amp terminal fuse for RV DC circuits, this compact MRBF-format fuse meets ABYC standards for main circuit protection. Its ignition-protection rating makes it suitable for gasoline-engine RV electrical systems. A clear window lets you see instantly if the fuse has blown without removing it.

• 40 Amp capacity
• MRBF terminal format
• Ignition-protected design
• Not slow-blow
• Marine-rated