Meaning of the word contactor in English

What does contactor mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

contactor

US /kənˈtæktər/
UK /kənˈtæktər/

Noun

1.

a person or company that undertakes a contract to provide materials or labor to perform a service or job

Example:
We hired a contactor to build our new house.
The electrical contactor finished the wiring yesterday.
2.

an electrically controlled switch used for switching a power circuit, similar to a relay but with higher current ratings

Example:
The motor is controlled by a large industrial contactor.
A faulty contactor can cause a machine to malfunction.