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AF370-30

The ABB AF370-30 motor protection relay offers advanced protection and monitoring for three-phase induction motors, ensuring that they operate safely and efficiently. The device provides overcurrent protection, undercurrent protection, and phase failure protection, as well as thermal protection for motors. It also includes fault detection capabilities, ensuring quick response in the event of a fault to protect both the motor and connected equipment.

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Parameters: Model Number: ABB AF370-30 Rated Voltage: 380–690 V AC (Three-phase) Rated Current: 30 A Motor Power: Up to 18.5 kW at 400 V Up to 22 kW at 690 V Frequency: 50/60 Hz Protection Settings: Overload Protection: Adjustable settings to protect the motor from excessive current. Short-Circuit Protection: Provides protection from electrical short circuits. Phase Loss and Imbalance Protection: Detects phase loss or imbalance and trips the motor to prevent damage. Undervoltage Protection: Protects the motor from damage due to under-voltage conditions. Thermal Overload Protection: Monitors the motor’s temperature and prevents overheating. Control Voltage: 24 V DC (external supply) Operating Temperature Range: -20°C to +60°C Dimensions (H x W x D): Approx. 200 x 150 x 100 mm Mounting Type: DIN rail mount or panel mount Degree of Protection: IP20 (for indoor use) Weight: Approx. 1.5 kg Communication: Modbus RTU (optional for communication with PLCs and SCADA systems)