Littelfuse 0215020.MXP is a 20A, 250VAC slow blow ceramic cartridge fuse in a 5x20mm package. It offers a 400A breaking capacity and is approved by UL, SEMKO, and PSE.
Littelfuse 0326020.MXP is a 20A, 250VAC/60VDC slow-blow ceramic cartridge fuse in a 3AB (1/4" x 1-1/4") package. It offers a high breaking capacity of 400A AC and 500A DC.