Breakaway Brake Kit and Parts

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Description

Last updated on January 18th, 2020 at 06:55 pm

The Breakaway Trailer Brake Kit is mandatory for all trailers over 2000 kg GTM. Should the tow vehicle and trailer separate accidentally, the breakaway kit engages the electric brakes, at full power for a minimum of 15 minutes.

The breakaway system provides a total solution to the Australian Design Rule requirements.

Important Note: Adjust the lanyard to be shorter than the safety chain at full stretch. Test after installation.

Click this link to learn how to adjust a breakaway switch lanyard.

Shipping: We are unable to send this product via Express Post services due to the battery not being accepting by airlines. 

Caravan and Trailer on-board Battery Kit

Note; it is essential to note that there is no requirement for an independent, designated or separate breakaway battery system.

In other words, the caravan or camper onboard 12v battery is the breakaway battery provided it can apply 12vdc to your electric brakes.

Further, the onboard caravan battery will be larger than the minimum requirement and have the same or larger capacity than the smaller unit.

The breakaway switch activates the trailer brake system for 15 minutes in cases where the trailer was detached from the vehicle when travelling.

Additionally, included in the price is a rubber boot that fits over the breakaway switch. The rubber boot reduces or prevents water ingress.

The following equipment is necessary when using the caravan battery as a breakaway kit.

Remote breakaway Kit Monitor

Remote Breakaway Kit Monitor for trailer breakaway battery. (NSW Only)

The remote monitor fits all Breakaway Kits except RV Electronics.

Mount the Remote Breakaway Kit Monitor in clear view of the driver either in the Cab or mounted to the side of the trailer or caravan in clear view of the driver.

Installing Breakaway Battery Magnetic Monitor.

  • Connect the battery indicator cable directly to the breakaway battery, insert the 10 amp fuse inline and close to the battery.
  • If the battery indicator flashes RED, only the breakaway battery is low on amp hour.
  • If the Battery indicator does not illuminate, recharge or replace the breakaway battery.
  • The battery indicator will switch off when the battery is lower than 11 to 9 volts.
  • The battery indicator draws low milliamps and will pulsate different flashing colour continually on a battery for 12 months.
  • Recharge the battery using a battery charger if the breakaway battery is flat.

Warning

Disconnect the trailer plug when testing the breakaway kit. Failure to do so may result in severe damage to Vehicles Electric brake controller.

NSW RTA Bulletin NO.06

Testing the breakaway battery system refer to RTA Vehicle Inspector Bulletin No 06 April 1998. Requirements for large caravans and trailers equipped with Electrically Operated Brakes.

Click this link to read the NSW RTA bulletin

Furthermore, during a trailer inspection, the towing vehicle must be equipped with a compatible charging system connected to the trailer’s breakaway battery.

Finally, install a label affixed to all-electric braked trailers stating that an acceptable charging/warning circuit in any tow vehicle.

Breakaway kit testing.

  • Connect the wires to the terminals. In a fully charged state, a green light will glow
  • Remove the pin and notice a sound coming from your magnets
  • You may hear a hum or a tick as the electric magnet sticks to the inside of the drum
  • When energised, check the voltage at the battery
  • If the Voltage is under 12 volts then either the battery is putting out less than 12v, or you have a voltage loss
  • If voltage loss exists, increase the size of the cable to the brakes to 4mm or 5mm.

Increasing the size of the cable removes voltage loss and restores voltage to 12vdc.

Wiring Diagram for Breakaway Kit.

Breakaway Trailer Brake Kit for Hydrastar

Electric / Hydraulic controllers use a 17 Amp Hour battery because the hydraulic motor uses more power than an electric magnet.

Standard 1200 psi and 1600psi Hydrastar actuators use a 5ah Breakaway Kit battery,

An excellent read about Caravan and Trailer breakaway kits article.

Breakaway replacement wire and pin

Replacement wire and plastic pins are now available. Broken plastic pins occur during testing can now be replaced without purchasing the entire breakaway switch.

The plastic-coated wire is 1.1 meters long and requires adjusting to the correct pull length.

5A – 12V Replacement Battery to suit Breakaway Kit.

5A means five amps or 5 x 12 = 60 watts for one hour

The battery should be large enough to power four magnets @ 3.2Amp each for 15 minute

How do I tell when the battery requires replacement?

Your breakaway battery will require replacement when you cannot get a green light on your control panel.

In Australia, the test button must indicate

  • Full Battery Power Available.
  • Battery Charging.
  • Battery flat

As opposed to America, where there is no requirement for test lights.

If your battery will not take charge, then it needs replacing.

While you are changing your battery, Read this handy article about the correct Lanyard Length.

Breakaway Switch Kit includes Waterproof Rubber Cover

Breakaway switch incl waterproof rubber cover helps prevent water ingress into your breakaway switch.

Water and dirt enter the switching mechanism making it inoperable. As a result, replace the switch.

Shorten the breakaway switch lanyard for effective braking when your caravan is on its safety chains.

Finally, all trailers over 2000kg require a breakaway switch.

Breakaway Kit Incl 5ah Battery | Switch | 12v/5A Battery | Rubber Boot

Couplemate Trailer Parts sells only the best quality Breakaway Brake Kit and Parts and caravan spare parts throughout Australia. Customers are welcome to either pickup or take advantage of our low freight rates. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart. We also ship products to New Zealand via Australia Post Air Express.

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