Mersen Amp-Trap 2000 SmartSpot A2D-R fuses feature a visual open fuse indicator and provide IEC Type 2 No Damage protection to main, feeder, and branch circuits for all types of loads. With time-delay characteristics for handling harmless in-rush currents, current-limiting ability, A2D-R fuses give excellent protection for all your applications. Solid state SmartSpot visual blown fuse indicator. 600VAC and 600VDC dual rated Easy 2-to-1 selectivity for prevention of nuisance shut downs and "black outs" Rejection-style design prevents replacement errors (when used with recommended fuse blocks) High-visibility orange label gives instant brand recognition Reduced inventory by taking the place of class RK5, K, and H fuses Metal-embossed date and catalog number for easier traceability and lasting identification Fiberglass body provides dimensional stability in harsh industrial settings Applications: Motors, safety switches, transformers, branch circuit protection, disconnects, control panels, and all general-purpose circuits. 30 ampere current rating. Measure 13/16-inches diameter by 5-inches length Approvals: UL listed to standard 248-12 file E2137, DC listed to UL standard 248, CSA certified to standard C22.2 No. 248.12.