Time-delay cylindrical fuses, sometimes called slow-blow fuses, are current protection devices that tolerate brief spikes from short events such as motor starts or equipment startups. Their bodies are tube-shaped and have conductive metal caps that allow them to be easily installed or removed from clip-style holders.
BrandBUSSMANNManufacturer Part NumberFRS-R-40SeriesFRS-REquivalent Fuse SeriesFLSR | FRS | TRS-RAC Voltage Rating600 V ACBody MaterialFiberglassCompatible Fuse Block SeriesHM600; RM600Current Rating40 AElementDualFuse Block StyleRejectionFuse Body StyleCylindricalFuse Class or TypeRK5Interrupt Rating - AC200 kAInterrupt Rating - DC20 kAOverall Diameter1-1/16 inOverall Length5-1/2 inSpeedTime-DelayVisual IndicationNon-IndicatingCountry of OriginMexico (subject to change)