Ul Power Fuse, Class RK5; 10 Sec Time Delay (At 500 Percent Rated Load), Dual Element Characteristics; 250 Vac/125 VDC; 150 Ampere; Interrupting Rating 200000 Ampere (Symmetrical), 20000 Ampere (DC); Approval Ul 248-12, Csa C22.2, Ce; Dura-Lag[T] Brand