Description

REC670 is an interval layer measurement and control protection device from the ABB Relion® series, integrating control, protection, monitoring, and communication functions. It is suitable for power systems of various voltage levels. The following are the detailed product specifications:

1. Product Type: Inter-phase Layer Measurement and Protection Device (Bus Differential Protection Module Optional)

2. Rated Voltage: Control Power Supply: 24 VDC (Basic Module); 24-250 VDC ±20% (Power Supply Module); Main Circuit Rated Voltage: 690V

3. Rated Current: Rated Input Current: 1A or 5A; Main Circuit Rated Current: 33A

4. Operating Frequency: 50/60Hz, Frequency Allowable Deviation ±5%5. Analog Measurement Accuracy: Voltage and Current Error ≤0.25%; Power Value Error ≤0.5%

REC670, with its multifunctional integrated features, is widely used in:

1. Power systems: substation automation, transmission line protection, and low to medium voltage distribution network management;

2. Industrial sector: plant power distribution systems, motor and transformer protection in chemical, pharmaceutical, food processing, and manufacturing industries;

3. New energy sector: inverter protection and grid-connected control for solar and wind power systems;

4. Infrastructure: power management in building automation and transportation systems, etc.