ABB REA101-AAA ARC PROTECTION RELAY

ABB REA101-AAA Arc Protection Relay

ABB REA101-AAA is a high-speed Arc Flash Protection Relay designed to detect and isolate arc faults in low- and medium-voltage switchgear. The relay provides ultra-fast fault clearing to minimize equipment damage and improve personnel safety. It can operate as a standalone unit or as part of the ABB REA Arc Protection System.

Key Specifications:

• Arc Flash Detection Protection

• Optical Fiber Sensor Technology

• Trip Operation Time: < 2.5 ms

• 2 High-Speed IGBT Trip Outputs (HSO1 & HSO2)

• 1 Heavy-Duty Relay Output (TRIP3)

• Overcurrent Supervision Function

• Fiber Optic Communication Link

• Expandable with REA103 / REA105 / REA107 Modules

• Auxiliary Supply: 110–240 VAC, 110–250 VDC

• Frequency: 50/60 Hz

• Origin: Sweden / ABB

Application: Low & Medium Voltage Switchgear, Power Distribution Systems, Industrial Plants, Utilities, and Substations