Fuse 6.3 a time-delay -5x- (5 ps) De Dietrich 7879926

The fuse 6.3 a time-delay -5x- is a slow-blow fuse rated at 6.3 amps, designed to handle temporary inrush currents in heating equipment. It protects sensitive electronic components like control boards from overcurrent conditions while allowing brief surges during startup. This fuse is commonly used in boiler and burner systems where time-delay characteristics are required. Its compact 5x20mm size fits standard fuse holders, making it a convenient spare part for maintenance.