The development of solar-powered fuse technology is closely linked to the expansion of the photovoltaic industry, which in turn places higher demands on circuit protection components.
The working principle of solar-powered fuses is to quickly disconnect the circuit by utilizing the melting characteristics of the fusible material at high temperatures. When the current exceeds a set value, the fusible element inside the fuse heats up and melts due to Joule heating, instantly disconnecting the power supply. This process is extremely rapid, typically completed within milliseconds.
The fuse's interior is usually filled with chemically treated high-purity quartz sand or other arc-extinguishing media for rapid cooling and arc extinguishing, ensuring safe and reliable disconnection.
