Up for sale is a used Automotive Circuit Breaker.

It is made by Bussmann.
The part number is CB211-30 or 21130-00.

The pin out is identical with the ATM mini fuse standard.
However, the housing of this breaker has a somewhat larger footprint and is considerably taller than a standard ATM blade fuse (see last photo).

Rating: 14 Volts DC, 30 Amps
Pin out: Mini Fuse, 5/16" (8mm) center to center
Foot print: 3/8" x 1/4" (10mm x 6.5mm)
Height: 1-1/8" (28mm) without pins

Please see photos.
Questions welcome. Thanks for looking.