The ABB REF620E is a versatile and advanced protection and control relay used primarily in electrical substations.

Product Name:

ABB REF620E

Product Description:

The ABB REF620E is a member of the Relion® protection and control family by ABB. It combines protection, control, measurement, and supervision functions in one device, designed for use in medium-voltage and high-voltage electrical networks. It provides comprehensive protection for generators, motors, transformers, busbars, and feeders.

Product Parameters and Specifications:

Functionality: Protection, control, measurement, supervision
Applications: Substation automation, feeder protection, motor protection, generator protection
Communication Protocols: IEC 61850, Modbus, DNP3.0, IEC 60870-5-103
Inputs/Outputs: Multiple digital and analog inputs/outputs
Power Supply: DC and AC options available
Operational Environment: Suitable for harsh environments (temperature, humidity, etc.)

Product Use:

The ABB REF620E is used in various applications within electrical substations:
Feeder Protection: Protects distribution and transmission feeders from faults and abnormalities.
Generator Protection: Ensures the safe operation of generators by detecting faults and abnormal conditions.
Motor Protection: Provides protection to motors against overload, short circuit, and other faults.
Transformer Protection: Monitors and protects transformers from faults to ensure reliable operation.
Busbar Protection: Protects busbars by detecting faults and ensuring proper operation of electrical networks.

This relay is known for its reliability, flexibility, and advanced features, making it a preferred choice in the power utility sector for ensuring the safe and efficient operation of electrical networks.