分类: smart switch
A smart switch is a combination of mechanical and electronic components. It has functions such as overvoltage, undervoltage, overcurrent, short circuit, automatic closing, phase loss, lack of zero, and an LCD display.
A smart switch is a combination of mechanical and electronic components. It has functions such as overvoltage, undervoltage, overcurrent, short circuit, automatic closing, phase loss, lack of zero, and an LCD display.
