The one stipulation of a breakaway kit is that it does require the trailer to be equipped with electric brakes. This is done using an onboard battery attached to the trailer and a switch system connected to both the trailer and the vehicle.
Trailer Break Away Engager SM Breakaway System Kit 12v Battery Charger & Switch
Trailer Break Away Separation Runaway Electric Brake System Kit w/LED Indicator
Trailer Break Away Kit Engage Electric Brake Lockup Seperation Runaway + Battery
Trailer Break Away Kit Engage Electric Brake Lockup Seperation Runaway W/Battery