On behalf of YUANKY, I sincerely invite you to visit the South African International Consumer Electronics Exhibition to be held at the Thornton Convention Center in Johannesburg, South Africa from September 23-25, 2025, and visit our booth 3D 122 for guidance and exchanges. Read More

01 Working Principle of Drop-Out FusesThe core working principle of drop-out fuses is to utilize overcurrent to heat up and melt the fuse element, thereby breaking the circuit and protecting electrical equipment from damage.When an overload or short circuit occurs in the circuit, the fault current c Read More

A relay is an electronic component that uses electromagnetic principles or other physical effects to achieve the "automatic on/off" of circuits. Its core function is to control the on-off of large current/high voltage circuits with small current/signals, while also achieving electrical isolation bet Read More