inertia switch

inertia switch

[i′nər·shə ‚swich]
(electricity)
A switch that is actuated by an abrupt change in the velocity of the item on which it is mounted.

inertia switch

An electrical switch that is actuated by the sudden acceleration of an aircraft. Inertia switches are used in emergency locator transmitters, which get activated when the aircraft decelerates rapidly during crash landings.
References in periodicals archive ?
Tenders are invited for Inertia Switch As Per List 3
In addition, there are features like the inertia switch and an auto engine immobilizer.
For safety, there are 4-channel ABS with EBD, disc brakes on all wheels, a new rack-and-pinion steering system, rigid ladder frame construction with hydro-formed long members, crumple zones, side intrusion beams on all doors, collapsible steering column, dual SRS airbags, inertia switch and an auto engine immobiliser.
For an electrically reset BDS, the battery disconnect switch receives an electric pulse from an inertia switch, the engine control unit or the service control unit when they determine independently, based on certain parameters, that parts of the circuit need to be disconnected.
First Inertia Switch, A Division of First Technology
Some manufacturers use an inertia switch or valve,(16) while others use electronic switches.