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标题: Understanding Relay Safety Features: Ensuring Reliable and Safe Electrical Systems Relays are fundamental components in electrical systems, serving as switches that control high-power circuits using low-power signals. While their basic function is straightforward, modern electrical systems demand more than mere switching. Safety is paramount, and relay safety features play a critical role in protecting both equipment and personnel from potential hazards. Understanding these features helps engineers, technicians, and system designers implement more reliable and robust systems. One of the most essential relay safety features is overload protection. Electrical devices, particularly motors, can be damaged if exposed to currents exceeding their rated capacity for extended periods. Overload relays are designed to monitor the current flowing through a circuit and interrupt it when it surpasses a predetermined threshold. By preventing overheating, these relays reduce the risk of equipment damage, fire, and unscheduled downtime. Overload protection is especially critical in industrial environments, where motors and machinery operate continuously and under variable loads.