How to wire a contactor single phase.First let's start with the common question what is a contactor?a contactor is an electrically controlled switch used for switching an electrical power circuit.relays thend to be of lower capacity and are usually designed for both normally closed and normally open applications. Devices switching more than 15 amperes or in circuits rated more than a few kilowatts are usually called contactor.unlike a circuit breaker a contactor is not intended to interrupt a short circuit current.contactors are used to control electric motors, lighting, heating,capacitor banks,thermal evaporator, and other electrical loads.A contactor has 3 components power contacts,auxiliary contacts and contact springs and coil rated A1 A2.@NoSkillsRequired
1 сен 2022
