From the ManufacturerMersen OT10 250V 10A 2X9/16 K5 Fuse, UL Power Fuse, Class K5, One Time Characteristics, 250 Vac, 10 Ampere, Interrupting Rating 50 Kiloampere, Ferrule Terminal, Diameter 9/16 Inch, Length 2 Inch, Approval Ul 248-9, Csa C22.2, Ot Model
