ARD3T Motor Protection Controller
ARD3T Motor Protection Controller
● U, I, P, S, PF, F, EP, Leakage, PTC/NTC/PTC100/PT100/CU50
● Start control function
● 8 programmable DI
● 7 programmable DO
● Modbus-RTU or Profibus-DP communication
● 1 DC4-20mA analog output
● SOE
● Anti-shaking 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
03 Network
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Technical parameters |
Technical indicators |
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Protector auxiliary power supply |
AC/DC110/220V or AC380V, power comsumption 15VA |
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Rated working voltage of the motor |
AC380V / 660V, 50Hz / 60Hz |
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Rated operating current of the motor |
1 (0.1A-5000A) |
Adopt measurement module |
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5 (0.1A-5000A) |
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25（6.3A-25A） |
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100（25A-100A） |
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250（63A-250A） |
Adopt outlay current tansformer and measurement module |
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800（250A-800A） |
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Leakage |
50mA-1A or 3A-30A |
Adopt measurement module and leakage current transformer |
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Relay output contact capacity |
Impedance load |
AC250V、6A；DC24V、6A |
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Master switching input and output |
4DI/4DO |
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Switching value module |
4DI/3DO |
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Temperature module |
Type of external sensor: PT100、PT1000、Cu50、PTC、NTC Sensor’s corresponding measurement range : PT100/PT1000：-50°C～+500°C Cu50：-50°C～+150°C PTC/NTC：100Ω～30kΩ |
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Analog module |
2-channel 4-20mA input and 2-channel 4-20mA output |
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Master communiction |
RS485 Modbus_RTU |
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Communication module |
double RS485 Modbus_RTU, Profibus_DP |
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Environment |
Working temperature |
-10ºC～55ºC |
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Storage temperature |
-25ºC～70ºC |
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Relative humidity |
≤95﹪No condensation, no corrosive gas |
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Altitude |
≤2000m |
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Pollution levels |
Class 3 |
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Protection grade |
Main body IP20, split display module IP45 (installed on the cabinet panel) |
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Installation category |
Level III |
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