Unbreakable and self-extinguishing fuse holder for standard fuses 8,5x31,5 or 8,5x32 up to 20 Amp. It’s easy to install it thanks to the DIN rail coupling by the micromechanism. PF can be assembled for ISIWAY M3, M2, M1 and/or on any other fuse boxes or electrical boards provided with the standard DIN rail.