Fuse 4at 5x20 De Dietrich 300008241

The fuse 4AT 5x20 is a standard electrical fuse used in many heating systems to protect circuits from overcurrent. With a rating of 4 amps and a time-delay characteristic, it is suitable for applications with moderate inrush currents. This 5x20mm glass fuse is a common spare part for boilers, burners, and control panels. Replacing a blown fuse with the correct type is essential for restoring operation and preventing further damage to your heating equipment.