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标题: Arc Suppression Relay: Enhancing Electrical System Safety and Reliability An Arc Suppression Relay (ASR) is a specialized protection device designed to improve the safety and reliability of electrical systems, particularly in ungrounded or high-resistance grounded networks. In many industrial, commercial, and utility applications, electrical faults can cause significant damage, disrupt operations, or even pose safety hazards. The ASR plays a crucial role in mitigating one of the most subtle yet dangerous types of electrical faults: single-phase ground faults that generate electrical arcs.