ABB REA101 Arc Protection Relay Module – 26–60VDC / 110–250VDC Versatile Voltage Protection Relay Output Voltage Maximum: 20

Output Voltage Maximum: 20

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NVRAM: 64 MB

Wide monitoring range: Accommodates a broad spectrum of vibration severities for versatile use

Advanced Communication: Facilitates seamless data exchange and remote monitoring through advanced communication protocols

ABB REA101 Arc Protection Relay Module – 26–60VDC / 110–250VDC Versatile Voltage Protection Relay Output Voltage Maximum: 20ABB 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