Introduction FHXL-63 series is the current-limiting fire alarm protector（current limiting protector）, and it is a comprehensive protector with multiple protection functions for overvoltage, undervoltage, overcurrent, leakage, temperature and smoke detection. The product has the advantages of modularization, intelligence, visualization and so on. At the same time, it supports the standard Modbus485 communication protocol. All protection parameters

1、Introduction      Selective power limit protector JGXZ-63 is a selective power limit protector, mainly used to limit the power consumption of individual electrical appliances with excessive power, and an intelligent power limit protector for exceeding the total power limit. At the same time, the product has multiple protection functions such as overvoltage, undervoltage, short circuit,