The Quick TFH3 is a heavy-duty marine fuse holder designed for thruster and high-current electrical systems. Rated to 300A with DIN-standard CNN/CNL fuses, it delivers reliable circuit protection in demanding marine environments. Key Features Model: TFH3 Fuse Type: CNN/CNL DIN Maximum Fuse Size: 300A Type of Use: Intermittent — 6 minutes on, 42 minutes rest Operating Temperature: -20°C to +40°C Terminals: M10 Protection Rating: IP00