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trip switch

British  

noun

  1. an electric switch arranged to interrupt a circuit suddenly and disconnect power from a running machine so that the machine is stopped

"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

Example Sentences

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Future single Trip Switch featured on the soundtrack to Fifa 16, gaining them a whole new audience; while their second LP, Broken Machine, was named one of the best rock albums of 2017 by the Independent.

From BBC

He need never fix a trip switch again.

From The Guardian

Kerton and Prodromou were especially interesting because their names had been linked to two other BHA investigations into suspicious betting patterns, involving Trip Switch and Timeteam.

From The Guardian