Up for sale is a used ATC/ATO Circuit Breaker
for various Navistar / International Truck models.

It also fits a variety of other makes and/or models.

It is made by Bussmann. This breaker has a manual reset button.
The Navistar / International part number is 3529688C1. The Bussmann part number is 22320-303.
The pinout is identical with the ATC/ATO-Fuse standard.

Rating: 12 - 24 VDC, 20 Amps
Pin out: Blade, 9/16" (14.3mm) outside to outside
Foot print: 3/4" x 1/4" (19mm x 6mm)
Height: 1-3/4" (44.5mm) overall (including blades)

Please see photo.
Questions welcome. Thanks for looking.