PHOTOVOLTAIC FUSE: This solar fuse is a great added protection for your solar panel, solar controller and other appliances of your photovoltaic system. It will quickly interrupt the circuit once the fuse's rated amperage is exceeded, which can avoid the damage to the photovoltaic appliances..EASY INSTALL and STABLE: Suitable for most solar connector, plug and play. With the built-in lock on the male connector, this solar inline fuse connector can keep stable work outdoors. Made with quality PPO, this solar fuse connector is resistant to UV and aging..WATERPROOF: With a IP67 protection degree waterproof ring on the male connector, this solar fuse connector can keep you worry free for rainy days..DEDICATED PV FUSE: Certified by TÜV and CE, this solar fuse connector is a great choice to protect against power surge. With the solar connector on two ends, there is the ceramic fuse tube in the middle, it is suitable for solar panel, solar cable and solar controller..WARRANTY: BougeRV is dedicated to provide customers with high quality product through constant improvement and also promise an 18 months warranty of each product. Please feel free to contact us if you have any question about the product.