Hardwired engine compartment electrical appliance box

The utility model relates to a hardwired engine compartment electrical appliance box, which comprises a box cover, a box body and an integrated mainboard, wherein the box cover and the box body are connected to form an accommodating space for installing the integrated mainboard, and 34 miniature double-pin fuses, 18 slow-blow fuses, 13 ISO miniature relays, 11 ISO standard relays and a joint-row high-current fuse are arranged on the integrated mainboard. Compared with the prior art, the hardwired engine compartment electrical appliance box realizes the modular arrangement of the fuses and the relays, is integrated with the joint-row high-current fuse, and has the advantages of complete function, small size, convenient installation and the like.