gmt-1a 1 amp buss fuse equal to littelfuse 481001 0481001 bk/gmt-1a gmt1a specialty fuses 125vac/60vdc white 051712576734 3005171257690 bk-gmt-1a body material thermoplastic color gray current rating 1 a gmt indicating fuses are designed for telecommunications, computer and control circuit applications. features visual spring indication and alarm circuit activation. thermoplastic body, tin-plated beryllium copper terminals ul recognized 125 vac/60 vdc mount with cooper Bussmann fuse holder dimensions 0.81 x 0.688 height 0.688" (17.5mm) (max.) length 0.78" (19.812mm) mounting type clip primary type single use fuses speed fast acting standards ul recognized termination plug-in type telecom fuses upc code 051712576901 3005171257690