3AG Fuse 4/10 (0.4) Amp 250V Slow Blow

3AG glass cartridge fuse, 4/10 Amp slow blow, 250V rating.

Dimensions: 1.25"  x 0.25" 

We stock both Buss and Littelfuse.  If you have a brand preference, let us know in the order notes and we will try to accommodate your request.