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It is safe practice to include inertia cut-off switches on all EVs. In the event of an EV being involved in a sudden impact such as a crash, the switch can be used to shut disable a regenerative braking controller or on traction only contollers to down the 12V power supply to the main contactor which in turn will cut-off the power from the main battery pack.
This inertia cut-off switch is suitable for use in low current control wiring. Use a it to control a realy for higher current wiring such as in series with the 12V feed to the main line or cut-off contactor in a traction only controlled EV's auxiliary circuit.
It should be mounted upright with the red button cover at the top. Two mounting holes are provided. It comes with normally open (NO), normall closed (NC) and common (C) miniature spade terminals and is supplied complete with suitable push-on connectors.