Technical Specifications
Overview
Comprehensive Smart Motor Protection
The ARD series intelligent motor protector is a sophisticated solution designed to safeguard industrial motors from a wide range of operational faults including overload, phase failure, and short circuits. It features real-time monitoring of electrical parameters and an SOE fault event recording function to simplify on-site maintenance and troubleshooting. With integrated RS485 communication and multiple starting modes, it is ideal for demanding sectors such as petrochemical, smelting, and power generation.
Technical Performance
Measurement Accuracy
1.5 Class
Voltage & Current Accuracy
- Frequency Range
- 45 45-65Hz
Power Supply
Auxiliary Power Supply
- AC 85V - 265V
- DC 100V - 350V
Protection Functions
- Fault Protection Suite
- Start TimeoutOverloadPhase FailureUnbalanceUnderloadGround/LeakageBlockageShort CircuitOvervoltageUndervoltageTemperature
I/O & Connectivity
Communication Protocols
Modbus-RTUProfibus-DPRS485DC 4-20mA Analog
- Digital Inputs
- 9-channels DI passive dry node (built-in DC24V power supply)
- Relay Outputs
- 5 Channels
Control Modes
Supported Starting Modes
- Direct Start
- Star-Delta Start
- Autotransformer Start
- Soft Start
Maintenance & Diagnostics
- Fault Event Recording
- Records up to 8 SOE fault messages for maintenance analysis
Applications
- Target Industries
- CoalPetrochemicalSmeltingElectric PowerShipsCivil Construction
