Mersen TRS250R 600V 250A 11 5/8X2 9/16 Time Delay Fuse,Schaedler Yesco Distribution, Inc.,TRS250R" /> Optional solid state SmartSpot blown fuse indicator Time-delay for motor start-ups and transformer inrush currents without nuisance opening Current-limiting for low peak let-thru current Rejection-style design prevents replacement errors Easy-to-read label for quick brand recognition and replacement Class Rk5 Time Delay Characteristics 600 Vac/Vdc 250 Ampere Interrupting Rating 200 Kiloampere (Ac), 100 Kiloampere (Dc)