In industrial systems, most of the facilities require high voltage to operate. This can be dangerous to operate directly. Relays are electromagnetic devices that are used to remotely actuate conditions of electric current that runs other devices. They are designed with a number of input terminals that can help to either run single or multiple signals safely. Relays were first utilized for actualizing long-distance telegraph types of circuits to facilitate signal repetition. Unlike the old model relays that used electromagnets to open or close contacts, the modern models are more advanced and rely on semiconductors for enhanced efficiency. In some cases, relays are designed with calibrated operating systems that feature more coils to help protect electrical circuits from current surges. In industrial facilities, relays are very common. For example, they are mainly fitted in operational areas to turn the motors
on and off. In most of the cases, they use photoelectric sensors
to turn on motors that run conveyor belts for evacuating finished products or feeding your processing units. Therefore, it is crucial to identify the right relay and have it installed and timed well to sync with your facility.