For heavy duty circuits, we have this dual fuse/relay box. Holds 70 amp SPST relays and up to 80 amp fuses.

 

Add terminals and seals (6 each of Lear MAK 8 for fuses, Delphi Ducon 9.5 for relay contacts, and Delphi Metri-pack 630 18-20 gauge for relay coils) for $20.

 

Add 2 70-amp relays and 2 fuses for $10.

 

Type fuse sizes desired in box.

Heavy duty dual fuse/relay box

$40.00Price