Completely sealed breakaway switch
Automatically set trailer brakes in case of accidental trailer breakaway
Required by law in some states
Emergency use only, not to be used to lock brakes when parked or stored
All metal parts and a brass pin assembly Product Description
Breakaway switches help provide a safe towing experience by automatically engaging your trailer brakes in case of accidental trailer breakaway. Required by law in some states, these are for emergency use only and not to be used to lock brakes when parked or stored