REA 101|Allen-Bradley| PROTECTION RELAY 26-60VDC

Description

ABB REA 101 ARC PROTECTION RELAY 26-60VDC

The ABB REA 101 is an advanced arc protection relay designed for use in electrical systems, particularly in facilities where electrical arcs can pose significant safety risks. This relay is part of ABB’s family of protection relays and is specifically tailored for detecting and responding to the occurrence of electrical arcs in medium and low voltage applications.

### Key Features of the ABB REA 101 Arc Protection Relay:

1. **Arc Detection Technology:**
– The REA 101 utilizes advanced detection algorithms and sensors to identify the presence of an electrical arc. This can include both light and current detection methods to ensure rapid and accurate identification of arc faults.

2. **Power Supply:**
– The REA 101 operates with a DC power supply in the range of 26 to 60 volts, making it versatile for various installations while ensuring compatibility with different system requirements.

3. **Fast Response Time:**
– Designed to be responsive, the REA 101 can react very quickly to arc detection to help prevent damage to equipment and enhance overall safety by initiating countermeasures such as tripping a circuit breaker.

4. **User-Friendly Interface:**
– The relay typically features a user-friendly interface, which may include LED indicators, buttons, and display options for easy monitoring and configuration. This helps operators understand the status of the system more effectively.

5. **Communication Capabilities:**
– The REA 101 may offer communication interfaces that allow it to be integrated into larger monitoring and control systems, enabling remote monitoring and providing data for analysis and reporting.

6. **Programmable Settings:**
– The relay generally has programmable settings that allow users to customize detection parameters according to the specific requirements of their installations or to accommodate different levels of sensitivity based on the application.

7. **Fault Recording:**
– Some versions of the REA 101 are equipped with the capability to record fault events, providing valuable data for post-incident analysis and assisting in root cause investigations.

8. **Compact Design:**
– Its compact design allows for easy installation within control panels or enclosures, optimizing space in an electrical room or cabinet.

### Applications:
– **Industrial Environments:** Often used in factories, processing plants, and other industrial environments where equipment failure due to arc faults could lead to significant risks.
– **Commercial Facilities:** Triggered in office buildings, shopping malls, and other infrastructures where electrical safety is paramount.
– **Medium and Low Voltage Networks:** Suitable for applications across various voltage levels, ensuring widespread applicability.

### Maintenance and Support:
Regular maintenance is essential to ensure optimal performance and reliability. This may include checking sensor calibration, ensuring firmware is up to date, and verifying that the relay is functioning as intended. ABB provides detailed documentation and support services for assistance with installation, maintenance, and troubleshooting.

### Conclusion:
The ABB REA 101 arc protection relay is a crucial safety device designed to protect electrical systems from the dangers of arc faults. Its advanced detection capabilities, combined with user-friendly features and robust performance, make it an important component in enhancing electrical safety. If you have more specific inquiries about its operation, installation, or applications, please feel free to ask!