Which of the following statements represents the main difference between a relay and a contactor?()

A . Contactors control current and relays control voltage B . A relay is series connected and a contactor is parallel connected C . Contactors can handle heavier loads than relays D . Contactors are made from silver and relays are made from copper

时间:2022-09-10 22:52:41 所属题库:船舶电气与船舶安全题库

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