ABB REA101 Arc Protection Relay Module – 26–60VDC / 110–250VDC Versatile Voltage Protection Relay Modular Design: Expandable configuration for

Modular Design: Expandable configuration for scalable system integration

the resistive touchscreen of the 6181P-15C2SW71AC allows precise control even when the operator is wearing protective gloves

Output Voltage Maximum: 20

NVRAM: 64 MB

ABB REA101 Arc Protection Relay Module – 26–60VDC / 110–250VDC Versatile Voltage Protection Relay Modular Design: Expandable configuration forABB REA101 Arc Fault Protection Main Module Product Overview The ABB REA101 is the main module of the ABB REA Arc Protection System, designed to provide fast and reliable detection of arc faults in medium and low voltage switchgear. With a trip response time of less than 2. 5 ms, the REA101 enhances operational safety, protects critical equipment, and minimizes downtime after fault events. This module can work independently or be expanded with REA103