It’s the switch which determines when the breakaway system is activated.
The breakaway switch is the brains of the operation. Some batteries can be recharged from the tow vehicle itself whereas others require an electric or solar charger. Keep in mind that after the pin is pulled from the breakaway switch, an activated system can drain the breakaway battery supply quickly. The battery will need to be charged fully before it’s first use and has an average life of two years. These are usually housed in a black plastic case.
Most trailer breakaway systems are powered off a 12 volt battery. A breakaway battery monitor is mandatory for trailers registered in NSW. This would trigger the switch, which would use the attached breakaway battery power to activate the electric brakes on the trailer, bringing it to a stop.Īn optional component is a breakaway battery monitor, to ensure that the breakaway battery has enough power to operate while towing. In the event of the trailer uncoupling the cable will pull out the pin. The pin-end of the cable is inserted into the breakaway switch and the other end of the cable is attached to the tow vehicle. They are also wired to the electric brakes. The battery and the switch are attached to the trailer and wired together. These are: a battery, a switch and a cable connected to a pin. There are three main components to a trailer breakaway system. How does a trailer breakaway system work?
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