ECSR200 is a 200 A, 600 V AC current-limiting, dual-element time-delay fuse from the Edison/Bussmann ECSR RK5 family, designed for feeder and branch protection in industrial electrical systems. It uses a knife-blade cartridge body and measures about 1.61 x 9.63 inches (40.9 x 244.6 mm), making it suitable for inline protection in control panels and power-distribution circuits. The device is UL Listed (UL file E162363) and CSA certified (CSA file 700489), confirming compatibility with common safety standards. Typical applications include protecting feeders and motor circuits where inrush tolerance is required without triggering nuisance trips.
