“contactor”的英文意思_释义_用法

单词

contactor

释义

contactor|kənˈtæktə(r)|
[agent-n. in L. form, from L. contingĕre to contact.]
A device for making and breaking an electrical circuit. Also attrib.
1910Hawkins' Electr. Dict. 88/1 Contactors, in the multiple-unit system of electric railway control, the devices which serve to operate the various resistances, to make and break the main circuit between trolley and motors, and to change from series to parallel connection. They consist of movable arms tipped with copper for making contact with a corresponding fixed copper tip when actuated by current by the master controller.1930Engineering 31 Jan. 129/2 A push-button operated starter of the contactor type.1937Times 13 Apr. p. xvi/3 The first units to be made..with the contactor panel and resistances mounted at the rear of the chassis.

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