Couplemate Express Trailer Parts

10-inch Electric Brake Magnets

SKU: MAGNET-10 Category: Tags: , , , , , Brand:

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$18.50 Inc.GST

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(1 customer review)

10-inch Electric Brake Magnets to suit all Australian Backing Plates

Caravan standard 10-inch Electric Brake Magnets are suited to all-electric brake systems except for older round magnet brake systems.

Loose magnets have been removed from the backing plates that have had off-road magnets installed.

These 10-inch Electric Brake Magnets create a magnetic field that pushes against the drum when an electric current is passed through them.

This, in turn, engages the trailer brakes, stopping the vehicle.

What maintenance checks should I perform on my electric brakes?

Magnet Wear: How to check 10-inch Electric Brake Magnets

  • Check the four small holes on top of the magnet.
  • These holes are warning indicators that display magnet wear.
  • Extreme magnet wear occurs if there are no holes or fewer than four holes.
  • When the magnet’s face is worn, it is time to replace the magnet.

Electric Brake Magnet in our Range of Products

Magnet Wear Key Features: 10-inch Electric Brake Magnets

  • Wear holes are at 3 pm, 6 pm, 9 pm and 12.
  • Magnets draw approximately 3.2 amps each.
  • You can connect wires either positively or negatively.

Once worn, copper becomes exposed. Subsequently, an open electric circuit will render the brakes inoperable.

Braking Tips

  • Bed new magnets into position to achieve 100% braking efficiency.
  • The magnet face has a shiny finish.
  • This finish must be scuffed up during the initial stages of braking before your magnets become 100% captive.

Why can’t I run the electric cable across my axle?

Voltage drop increases exponentially with cable length. Longer or shorter cable lengths can affect the voltage drop.

  • Rundown each chassis rail = 6mtr @ 6.4 Amps per pair of magnets = 5.62mm cable size
  • Run down the chassis trailer (inside) = 6 meter + 2 mete (8mtr) @ 6.4 Amps per pair of magnets = 7.5mm cable size

To avoid voltage drop, run the cabling down the chassis rail.

Frequently Asked Questions: 10-Inch Electric Brake Magnets

What are the advantages of a 10-inch electric brake magnet?

10-inch electric brake magnets offer key performance benefits for trailers and caravans:

  • Consistent Pressure: Delivers smooth, even pressure across the entire brake shoe surface for predictable stopping power.
  • Efficient Heat Dissipation: Built to actively reduce the risk of brake fade during long downhill descents.
  • Non-Polarity Wiring: The wires have no set positive or negative orientation, making installation simple and forgiving.
  • Optimised Power Draw: Standard units draw a predictable 3.2 amps each, preventing excessive strain on your towing setup.
  • Wear-Indicator System: Equipped with indicator holes at the 3, 6, 9, and 12 o’clock positions for effortless visual maintenance checks.

What are the disadvantages of a 10-inch electric brake magnet?

While highly effective, users should consider the following limitations:

  • Friction Wear Component: By design, magnets ride directly against the drum face and typically require replacement every 30,000 to 50,000 km.
  • Wiring Sensitivity: Improper installation (such as using undersized cabling or daisy-chaining across axles) can cause dangerous voltage drops.
  • Short-Circuit Potential: If worn past the indicator holes, the exposed internal copper core can short-circuit the braking system.
  • Terrain Wear: Standard magnets wear faster in corrugated off-road conditions, so harsh terrain requires specialised off-road variants.

Additional information

Weight 0.4 kg
Dimensions 8 × 5 × 3 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

1 review for 10-inch Electric Brake Magnets

  1. Justin allen

    All good

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