ASJ series residual current action relay
The ASJ series residual current action relay can be combined with a low-voltage circuit breaker or a low-voltage contactor to form a combined residual current protection device. It is mainly suitable for TT and TN system distribution lines with AC 50Hz and rated voltage 400V and below. It is used to conduct electrical circuit maintenance. Ground fault protection prevents equipment damage and electrical fire accidents caused by ground fault current. It can also be used to provide indirect contact protection against personal electric shock hazards.