● Suitable for motors with 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
General
ARD2 smart motor protector can protect the motor during the 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.
Function
ARD2
ARD2L
Model
Type
LED
LCD
Additional features
Code
RS485(Modbus-RTU)
C
Leakage protection
L
4～20mA analog output
M
2 switch input; 1 relay output (programmable 3)
L
SOE record
SR
Alarm (programmable 2)
J
● Accuracy: Class 0.5
● Frequency Range: 45-65Hz
● Auxiliary power supply: AC85V~265V/DC100V~350V
● Pulse output: 1600-160000imp/kWh
● Power consumption≤10VA
● Installation: Panel mounted
● Dimension(L*W*H): 96*78.5*48mm
● Communication: RS485 (Modbus-RTU)
Front Panel
Installation Dimension
Installation dimensions of protector(Unit: mm)
Installation dimensions of transformer
Description of LED display
When install the meter, loosen the locking screw of the fixing bracket, remove the fixing bracket, insert the instrument into the mounting hole, install the fixing bracket and tighten the screw to make the instrument be firmly installed without loosening.Shape for clamp reed squeeze installation.
Typical Connection
|
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 |
4 channels, AC250V, 3A |
|
|
Switching input |
2 channels，opto-coupler isolation |
|
|
Communication |
Standard |
RS485（Modbus-RTU） |
|
Option（choose one） |
1 or 2 channels Profibus DPV1 |
|
|
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 |
|
