Product Overview

The ABB REM611 is a compact motor protection and control relay designed specifically for small to medium-sized motors in industrial and utility environments. It offers reliable protection, monitoring, and control, making it ideal for both new installations and retrofit projects. The REM611 simplifies deployment in digital substations and smart grids, thanks to its IEC 61850 communication support and preconfigured settings.

This relay provides comprehensive motor protection, including overload, earth fault, phase imbalance, and locked rotor detection. It seamlessly integrates with circuit breakers or contactors, offering flexible mounting and installation options. The modular design and intuitive interface streamline commissioning and improve operational efficiency.

Moreover, the REM611 supports advanced GOOSE messaging and remote configuration via web-based tools, making it an excellent choice for smart grid applications and digital substation environments.

Technical Specifications

Typical Applications

The REM611 is widely used in industrial motor control systems, particularly in sectors where motor protection and control are critical. Some typical applications include:

1. Water Treatment Plants:

• Protecting and controlling pump motors to ensure reliable water flow and treatment operations.

2. Manufacturing Lines:

• Safeguarding conveyor drives to maintain consistent production line performance.

3. Mining Operations:

• Monitoring and controlling fan motors to ensure proper ventilation and environmental safety.

4. Chemical Processing:

• Protecting mixers and other equipment to maintain efficient and safe operation of chemical processes.

Its compact footprint and preconfigured settings make it especially suitable for space-constrained installations in control panels. The REM611 also supports digital substation architectures, enabling real-time data exchange and remote diagnostics, which is crucial for modernizing legacy systems and ensuring uptime in mission-critical applications.

FAQ

Q: What types of motors does the REM611 support?
A: The REM611 is designed for small to medium-sized asynchronous motors commonly used in industrial applications.

Q: Can REM611 be used with contactor-controlled motors?
A: Yes, the REM611 is compatible with both circuit breaker and contactor-based motor control schemes.

Q: Does REM611 support IEC 61850 communication?
A: Yes, the REM611 supports IEC 61850 Edition 1 and 2 communication, including GOOSE messaging and remote access for efficient integration into digital substations.

Q: Is REM611 suitable for retrofit projects?
A: Yes, its modular design and preconfigured settings simplify integration into both new and legacy systems, making it ideal for retrofit projects.

Q: What protection functions are included?
A: The REM611 offers comprehensive motor protection, including overload, earth fault, locked rotor, phase imbalance, and thermal protection.