ARD2 smart motor protector
ARD2 smart motor protector terminal
ARD2 smart motor protector with CT

Low Voltage Motor Protector ARD2(L)

ARD2 smart motor protector can protect the motor during running and provide the SOE fault event recorder. It is equipped with the RS485 remote communication interface and the DC4-20mA analog output, which is convenient to form a network system together with control machines like PLC and PC.

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Feature of Low Voltage Motor Protector ARD2(L)

  • Suitable for motors with a rated voltage of AC380V/660V;
  • Optional leakage protection, RS485 communication, analog output, etc.
  • 2 channels DI passive dry node input, signal power supply with built-in DC24V power supply;
  • 4 channels DO output.
  • Communication: RS485 (Modbus-RTU)
  • Display: 4 digitals LED display
  • Rated U and I: AC380/660V, rated current up to 800A

 

Specification of Motor Protector ARD2(L)

Parameter Technical specification
Auxiliary power supply AC85-265V/DC100-300V, power consumption≤7VA
Rated voltage AC380V/660V, 50Hz/60Hz
Rated current 1A（0.1-999.9A） Specific current transformer
5A（0.1-999.9A）
1.6A（0.4-1.6A）
6.3A（1.6-6.3A）
25A（6.3-25A）
100A（25-100A）
250A（63-250A）
800A（250-800A）
Relay output contactor
Rated negative capacity		 4 channels, AC250V, 3A
Switching input 2 channels, optocoupler isolation
Communication Standard RS485（Modbus-RTU）
Option（choose one） 1 or 2 channels Profibus DPV1
1 channel Profinet
Ethernet（Modbus TCP）
Environment Operation temperature -10℃~+55℃
Storage temperature -20℃~+65℃
Relative humidity ≤95%（No condensation）
Altitude ≤2000m
Class of pollution Level 2
Protection level Main module IP20
Installation category Class III

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