To open a circuit automatically in case of an earth leakage fault between phase and earth and/ or neutral greater or equal to 10mA, 30mA, 100mA, 300mA or 500mA. In is used in domestic, commercial and....
Huangshan Safety Electric Technology Co., Ltd. is on the foot of the world famous Mountain Huangshan, which is one of the leading manufacturer and exporter in the field of low-voltage electric....