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Home » Solutions » SOLUTIONS » Residual Current Operated Relay

Residual Current Operated Relay

Views:7     Author:Site Editor     Publish Time: 2021-03-18      Origin:Site

Application



● Subway


● Large gymnasium


● Power plant


● Petrochemical industry


● Pharmaceutical industry


● Mining industry 


● Photovoltaic new energy  


Structure





Collect switch signals by PLC, and upload to monitoring system


RS485 connection


Main Functions



1) AC contactor or circuit breaker, earth fault protection and fire protection.


2) Adjustable range: 0.03A to 30A.


3) Adjustable range: 0 to 10s.


4) 2DO (warning and alarm)


5) Manual, auto and remote reset 


Product Selection






1) ASJ10-LD1C Residual Current Relay


● Monitoring of Type AC leakage current;

● Warning at 50% I△n and alarm at I△n;

● Adjustment of I∆n from 0.03 to 0.5 A;

● Adjustment of time delay 0.1 to 0.5s;

● One warning relay, one alarm relay;

● Local and remote “TEST”, “RESET”.







2) ASJ10-LD1A Residual Current Relay


● The measurement of A-type after-current;

● The streamer display of current percentage;

● The setting of rated residual action current;

● The setting of non-driving time of limitation;

● Two-pair relay output;

● Possessing the function of on-the-spot and long-distance testing and resetting.








3) ASJ10L-LD1A Residual Current Relay


● Monitoring of Type A leakage current;

● Adjustment of I∆n from 0.03 to 30 A;

● Adjustment of time delay 0 to 10 s;

● 2 configurable relays;

● Settable torrid disconnect alarm;

● Adjustment of pre-alarm value;

● Adjustment of auto rest value;

● RS485 Optional function;

● SOE fault record

● Local and remote “TEST”, “RESET”.





4) ASJ20-LD1C Residual Current Relay


● Monitoring of Type AC leakage current;

● Warning at 50% I△n and alarm at I△n;

● Adjustment of I∆n from 0.03 to 0.5 A;

● Adjustment of time delay 0.1 to 0.5s;

● One warning relay, one alarm relay;

● Local and remote “TEST”, “RESET”.








5) ASJ20-LD1A Residual Current Relay


● The measurement of A-type residual current;

● The streamer display of current percentage;

● The setting of rated residual action current;

● The setting of non-driving time of limitation;

● Two-pair relay output;

● Possessing the function of on-the-spot and long-distance testing and resetting. 





Accessories: AKH-0.66/L series residual current transformer




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