Threading Dies | Ductile | Eaton’s HFA fuse holders are in-line waterproof fuse holders for 1/4" x 1-1/4" ferrule fuses. It is a UL recognized fuse holder for up to 20A and 250V with an IP64 rating for exposed locations. This is a RoHS compliant fuse accessory. | Line protecion, small contol transformers, industril control, branch circuits | Specialized circuits and industrial contol