Contactor - Wikipedia A contactor is a type of relay (electrically operated switch) with high power rating (current rating and voltage rating) Contactors usually refer to devices switching more than 15 amperes or in circuits rated more than a few kilowatts
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Basics of Contactors: Comprehensive Guide | c3controls However, the basic difference between the relay and contactor is that the contactor is used in applications with higher current carrying capacity, whereas the relay is used for lower current applications
Electrical Contactors: Types, Functions Uses Explained An electrical contactor is an electrically controlled switch used to manage and control high-current circuits It operates by opening and closing contacts to switch the power on or off