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General ARD3T motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 380V and integrates protection, measurement, control, communication, operation and maintenance. Its perfect protection function ensures the safe operation of the motor, with logic programmable function, can meet a variety of control methods. Features ① […]
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General
ARD3T motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 380V and integrates protection, measurement, control, communication, operation and maintenance. Its perfect protection function ensures the safe operation of the motor, with logic programmable function, can meet a variety of control methods.
Features
① Protective Function
② Control Function: A variety of control methods, programmable input and output
③ Measurement, Monitoring: Three-phase voltage, current, active power, electric energy, leakage current, power factor, PTC/NTC
④ SOE
⑤ Communication: RS485 Modbus RTU or Profibus-DP
Technical parameters
Technical parameters
Index
Protector auxiliary power supply
AC/DC110/220V or AC380V, power comsumption 15VA
Rated working voltage of the motor
AC380V / 660V, 50Hz / 60Hz
Rated operating current of the motor
1 (0.1A-5000A)
Adopt measurement module
5 (0.1A-5000A)
25（6.3A-25A）
100（25A-100A）
250（63A-250A）
Adopt outlay current tansformer and measurement module
800（250A-800A）
Leakage
50mA-1A or 3A-30A
Adopt measurement module and leakage current transformer
Relay output contact capacity
Impedance load
AC250V; 6A; DC24V; 6A
Master switching input and output
4DI/4DO
Switching value module
4DI/3DO
Temperature module
Type of external sensor: PT100、PT1000、Cu50、PTC、NTC
