contactor

[ kon-tak-ter, kuhn-tak-ter ]

noun

, Electricity.

1. a mechanically operated switch for continuously establishing and interrupting an electric power circuit.

contactor

/ kɒnˈtæktə /

noun

1. a type of switch for repeatedly opening and closing an electric circuit. Its operation can be mechanical, electromagnetic, or pneumatic

Word History and Origins

Origin of contactor¹

First recorded in 1905–10; contact + -or ²

Example Sentences

It is Home Depot’s largest acquisition in its history and with it, it steps more aggressively into the fast growing professional builder and contactor business.

From Seattle Times

Ford's recall fix was software updates to monitor contactor temperature and reduce battery power to prevent damage to the contactor, and to monitor contactor resistance to identify an overheated contactor and reduce vehicle power to prevent further damage.

From Reuters

Rheinmetall said it would be providing the new 900-volt generation of electrically powered vehicles with a new type of contactor to a premium German automaker.

From Reuters

"The guys are executing their right to be an independent contactor," McDowell reflected.

From BBC

Last week, project officials told the board it paid Capital Rail Constructors, the contactor responsible for building the rail line, an additional $4 million for its continued oversight of the line, which will continue until Metro is ready to move to the next phase in the project’s completion.

From Washington Post