A relay is an electrical control device that can be given a defined input quantity and held long enough to cause a predetermined step change in the controlled quantity in the electrical output circuit. When the input quantity is reduced to a certain level and held for a long enough time, it is then restored to its initial state.
View More >Low and medium voltage distribution
Low voltage appliances are usually those that operate at voltages below 1200V AC or 1500V DC. Common low voltage appliances include switches, fuses, contactors, earth leakage protection switches and relays.
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