COOPER BUSSMANN KTQ-1 Fuse, 1A, Nonindicating, KTQ, 600VAC. More details: Fuse, 1 Fuse Amps, Nonindicating, KTQ Series, 600VAC Voltage Rating, Single Element, Body Material Fiberglass, Nonrejection, Body Style Cylindrical, Interrupt Rating 10kA at 600VAC, Length 1-3/8 In., Diameter 13/32 In., Standards CE, UL Std. 248-14, 4-6A/Guide JDYX2/File E19180