Time delay for motor starting and transformer inrush currents without nuisance openingExtremely current limiting for low peak let through currentEasy 2 to 1 selectivity for prevention of nuisance shutdowns and "blackouts"Rejection style design prevents replacement errorsHigh visibility orange label gives instant recognitionReduced inventory by taking the place of class RK5, K and H fusesMetal embossed date and catalog number for easier traceability and lasting identificationFiberglass body provides dimensional stability in harsh industrial settingsHigh grade silica filler ensures fast arc quenchingA2D-R fuses will open fast enough under extreme fault conditions for maximum shortArc flash mitigatingPlated terminalsTin plated copper contactSolid state SmartSpot® indicator