| Brand | Rw Energy |
| Model NO. | ARD2F Motor Protection Controller |
| Rated frequency | 50/60Hz |
| Series | ARD2F |
General
ARD2F intelligent motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 660V 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.
Functional features
Protective function
Control function：A variety of control methods, programmable input and output
Measurement, monitoring：Three-phase voltage, current, active power, electric energy, leakage current, power factor, PTC/NTC
Operation and maintenance records
Communication
Human-computer interaction
Parameters
Technical parameters |
Technical indicators |
|
Protector auxiliary power supply |
Support two power modules, AC 220V power module (AC85-265V/DC100-300V) default, AC 380V power module (AC/DC100-415V) optional |
|
Rated working voltage of the motor |
AC220V / 380V / 660V，50Hz / 60Hz |
|
Rated operating current of the motor |
1 (0.1A-5000A) |
External current transformer |
5 (0.1A-5000A) |
||
1.6 (0.4A-1.6A) |
||
6.3 (1.6A-6.3A) |
||
25（6.3A-25A） |
||
100（25A-100A） |
||
250（63A-250A） |
||
800（250A-800A） |
||
Relay output contact capacity |
Impedance load |
AC250V、10A |
Switching input |
10 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional) |
|
Communication |
MODBUS RTU communication,PROFIBUS_DP communication |
|
Environment |
Working temperature |
-10ºC～55ºC |
Storage temperature |
-25ºC～70ºC |
|
Relative humidity |
≤95﹪No condensation, no corrosive gas |
|
Altitude |
≤2000m |
|
Pollution levels |
Class 3 |
|
Protection grade |
Main body IP20, split display module IP54 (installed on the cabinet panel) |
|
Installation category |
Level III |
|
Dimensions
Yes, ARD2F supports both Modbus RTU and Profibus DP industrial communication protocols, making it easy to integrate with PLC, DCS, or SCADA systems for remote monitoring and control.
ARD2F provides 10 passive dry contact digital inputs (optional active DC110V/220V or AC220V inputs) and multiple programmable relay outputs. With its programmable logic function, it can flexibly implement various start stop, interlock, and alarm control logics.
Support！ ARD2F can be equipped with leakage current detection function and supports the connection of PTC/NTC temperature sensors for motor winding overheating protection, improving overall safety and intelligence level.
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