The Fuse Cutout are connected with the incoming feeder of the distribution transformer or distribution lines. These are primary used to protect transformers or lines from short circuits and overloads and switching currents. The drop out fuse unit is composed of insulator supports and a fuse tube, static contacts is fixed on two sides of insulator support and moving contact is installed on two ends of fuse tube. The interior of the fuse tube is the extinguishing tube, the exterior is made of phenolic compound paper tube or epoxy glass.
Rated break current
power frequency withstand voltage(Dty)
lighting impulse withstand voltage
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