Mercury relay

A mercury relay (mercury displacement relay, mercury contactor) is a relay that uses mercury as the switching element.

They are used as high-current switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts.

单词	Mercury relay
释义	Mercury relay 英语百科 Mercury relay A mercury relay (mercury displacement relay, mercury contactor) is a relay that uses mercury as the switching element. They are used as high-current switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts.
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