ABB REM620A

Description

Technical Parameters ABB REM620A

Product Advantages and Features ABB REM620A

1. Comprehensive motor protection, zero dead-zone coverage

   ABB REM620A covers all core fault types of motors, including overload, locked rotor, phase loss, and earth fault. It adopts adaptive protection algorithms that can adjust the protection threshold according to the motor’s actual operating status, avoiding misoperation during motor startup and ensuring timely action when faults occur. Compared with traditional motor protection relays, its fault recognition accuracy is improved by 30%.

2. High-precision multi-parameter measurement, data-driven maintenance

   The device can accurately measure motor current, voltage, power, power factor, and operating time, and upload the data to the upper monitoring system in real time. This data supports predictive maintenance strategies, allowing maintenance personnel to identify potential motor faults such as insulation degradation and bearing wear in advance, reducing unplanned downtime by up to 40%.

3. IEC 61850 compliance, intelligent system integration

   ABB REM620A supports the IEC 61850 communication protocol, which is the international standard for smart grids and industrial automation. It can realize seamless data interaction with upper-level PLC and SCADA systems, enabling remote parameter setting, fault diagnosis, and motor start/stop control. This feature greatly simplifies the integration process of intelligent motor control systems.

4. Strong environmental adaptability, reliable operation in harsh conditions

   ABB REM620A is designed with anti-electromagnetic interference and wide-temperature adaptation capabilities. It can stably operate in harsh industrial environments such as high humidity, high dust, and strong electromagnetic interference, with a mean time between failures (MTBF) of more than 80,000 hours, fully meeting the long-term continuous operation requirements of industrial motors.

Application Cases ABB REM620A

1. Steel plant rolling mill motor protection

   In a large steel plant’s hot rolling mill project, ABB REM620A is configured for each main rolling mill motor. It provides locked rotor and overload protection for the high-power motors (500kW and above), and monitors the motor’s operating temperature and power in real time. When a motor’s bearing is worn and causes overload, the device acts within 20ms, cutting off the power supply and preventing motor burnout, which saves maintenance costs of over $50,000 per year.

2. Water treatment plant pump motor control

   In a municipal water treatment plant project, the device is used to protect and control the water supply and sewage pump motors. It realizes remote start/stop control of the pumps through the Modbus TCP protocol, and provides phase imbalance protection to avoid pump damage caused by three-phase voltage imbalance. The system’s operation efficiency is increased by 25%, and the manual operation workload is significantly reduced.

3. Cement plant fan motor protection

   In a cement plant’s kiln exhaust fan motor project, ABB REM620A adapts to the dusty and high-temperature environment of the cement plant. It provides earth fault protection for the fan motors, and the predictive maintenance data helps the maintenance team replace the motor insulation in advance, avoiding unexpected shutdowns of the cement kiln, which ensures the continuous production of the plant.

Competitor Comparison

Selection Suggestions

1. For high-power motors in industrial plants, water treatment facilities, and cement plants, ABB REM620A is preferred for its comprehensive protection functions and adaptive algorithm.
2. If the project involves intelligent motor control system construction or needs to comply with the IEC 61850 protocol, this device is more suitable than products that only support traditional communication protocols.
3. For motors operating in harsh industrial environments, the device’s strong anti-interference and wide-temperature adaptability have obvious advantages over competitors.

Precautions

1. During installation, ensure the correct connection of the CT secondary side, and avoid open-circuit of the CT secondary side, which may cause high voltage and device damage.
2. When setting protection parameters, input the motor’s rated power, rated current, and startup time accurately, and perform a simulation test to verify the protection action reliability.
3. Regularly check the communication connection status, back up the protection configuration parameters, and update the device firmware according to ABB’s official guidance to optimize performance.
4. During maintenance, cut off the operating power supply first, and avoid touching the live parts of the terminal block to prevent electric shock or device damage.

ABB 57160001-K/2
ABB SDCS-FEX-2A
ABB 3ADT220090R0019
ABB CI854AK01
ABB 3BSE030221R1
ABB CI625-E2
ABB 3BHT300038R1
ABB CI625-E2
ABB 3BSC980006R213