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
Function
| Model | Type |
| ARD2 | LED |
| ARD2L | 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)
Specification of
| 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，opto-coupler 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 | |
