A solar PV fuse holder is a device used to hold and protect fuses in a solar photovoltaic (PV) system. Fuses are used in PV systems to protect against overcurrent and short circuits, and the fuse holder holds the fuse securely in place. The fuse holder is typically made of durable materials that can withstand outdoor conditions and is designed to be easily installed and maintained. It usually consists of a housing or enclosure that holds the fuse, as well as terminals or connectors for electrical connections. When a fault occurs in the PV system, such as an overcurrent or short circuit, the fuse in the holder will blow or open, interrupting the flow of electricity and protecting the system from damage. The fuse holder allows for easy replacement of the fuse when necessary. It is important to choose a fuse holder that is compatible with the voltage and current rating of the PV system, as well as the type of fuse being used. Proper sizing and selection of the fuse holder is essential for the safe and efficient operation of the solar PV system.