BLUE SEA 5251 MIDI/AMI FUSE 40 AMP (Sold per each) - Fuse MIDI/AMI 40A - Compact fuse with 40A amperage - Tin-plated copped for corrosion resistance - Clear cover offers visible indication of blown fuses - Color-coded for easy amperage identification - Ignition protected to SAE J1171 when used with Blue Sea Systems SafetyHub family of products -