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contactor

[kon-tak-ter, kuh n-tak-ter] /ˈkɒn tæk tər, kənˈtæk tər/
noun, Electricity.
1.
a mechanically operated switch for continuously establishing and interrupting an electric power circuit.
Origin of contactor
1905-1910
First recorded in 1905-10; contact + -or2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for contactor

contactor

/kɒnˈtæktə/
noun
1.
a type of switch for repeatedly opening and closing an electric circuit. Its operation can be mechanical, electromagnetic, or pneumatic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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