5 pcs. MDA 20A Slow-Blow Time Delay Fuse Ceramic 1/4 in x 1.25 in Sold in sets of 5. If you add 20 to cart, that will be a box (100 pcs.) Series: MDA Rated Current (amp): 20A Blow Characteristic: Slow Blow (Time Delay) Body Diameter: 1/4 in (6.35 mm) Body Length: 1-1/4 in (30 mm) Part Type: Electric Ceramic Fuse Rated Voltage: 250v, 250 volts (also replaces 125v) Interrupt rating: 1500A @ 250v AC Terminal Shape: End Cap Certifications: CE Cross List: MDA20, MDA20A MDA-20A, BK-MDA 20 R MDA 20R, BKMDA20R BK MDA20 Blowing Time (Fast Blow): None @ 100% of rating 1 hour Max @ 135% of rating 120 sec Max @ 200% of rating