● 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
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.
Characteristic
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● Analog: 2M2 |
● Rated U and I: 660V, 800A |
● Switch: 10DI/6DO
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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
Dimension
Application
Typical Connection
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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 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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