Industrial relays are essential components in the realm of electrical control systems, particularly within automation, protection, and switching circuits. These electromagnetic switches are used to control electrical devices and protect sensitive equipment by opening or closing electrical contacts. Understanding the fundamentals, types, and various applications of industrial relays is critical for industries involved in automation and electrical engineering.
What is an Industrial Relay? An industrial relay is an electrically operated switch that uses an electromagnet to open or close contacts in an electrical circuit. The device consists of two key components： a coil (electromagnet) and one or more sets of contacts that control the current flow. When current passes through the coil, it generates a magnetic field that activates the relay and causes the contacts to either close or open, depending on the relay type. This simple mechanism allows the relay to perform complex tasks such as switching high-power circuits using low-power control signals.
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