Author name: Brina

1.Cable Cutter Professional cable shears can be used. Cable shears are suitable for high-voltage PE, IV cable and telephone lines, which can be cut off quickly.   Cable scissors are a kind of scissors specially used for cutting cables. The two blades are interlaced and can be opened and closed.  Cable scissors belong to large …

What tool can be used to cut the cable quickly? Read More »

In FIG. 13, when the short circuit line fails, the KA1—KA3, short circuit current through the current transformer TA is greater than the current relay rectification value, the current relay starts. Because the three current relay contacts are in parallel, as long as one current relay contacts close, the start time relay KT, follows the …

Schematic diagram of overcurrent protection for line fixed time limit Read More »