Dear, I want to recommend our new Blade fuse block for u with negative bus bar, &indication light &sticker labels Input terminal rating:100A, 32V DC; M5 threaded studs Input wire size:#4~6 AWG Output terminal rating: 30A max Per Circuit Output wire size:#12~16 AWG Red LED indicated when fuse is broken Single blister packing, with mounting screws &40pcs sticker label. If u interested, please let us know. We'd like to provide samples for your testing quality. Looking forward to your reply. Misty