Amp-Trap 2000 Time-Delay Ajt Fuses Provide IEC Type "2" (No Damage) Protection to Main, Feeder, and Branch-Circuits, For All Types Of Loads - Yet, They Require Only Half The Mounting Space Needed For 600V Ul Class RK Fuses. Time-Delay Characteristics Handle Motor In-Rush Currents Without Nuisance Trips. Its Current-Limiting Ability and Wide Range Of Ratings Provide Excellent Overcurrent Protection For All Your Applications. An Optional Mechanical Blown Fuse Indicator and Microswitch Is Available On Blade-T