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Ark Electric Brake Trailer Coupling 50mm Tow Ball – 3.5T with Folding Ratchet Handle (SKU: EC35RZ)
$125.00 $171.74
Heavy-duty 3.5T electric brake trailer coupling with folding ratchet handle and park brake system. Suits all 50mm tow balls. Built to AS4177.3 standard.
In stock
Ark 3.5T Electric Brake Trailer Coupling with Folding Ratchet Handle (SKU: EC35RZ)
The ARK EC35RZ is a premium electric brake trailer coupling designed to handle up to 3500kg of ATM. Featuring a built-in park brake ratchet system and a foldable handle for easier storage, this coupling fits standard 50mm tow balls and is made from high-strength cast steel for long-lasting durability.
Features:
- 3.5T rated electric brake trailer coupling
- Integrated park brake with ratchet mechanism
- Folding handle for compact storage and safety
- Suits all standard 50mm tow balls
- Robust cast steel and plate construction
- Complies with Australian Standard AS4177.3
Combining power and precision—secure, smooth, and easy to operate under pressure.
Ratchet Handle vs Standard Handle
| Feature | EC35Z (Standard Lever) | EC35RZ (Ratchet Handle) |
|---|---|---|
| Park brake style | Traditional lever | Foldable ratchet handle |
| Storage position | Sticks out | Folds flat |
| Locking positions | Limited | More precise |
| Ease of operation | Manual push/pull | Easier with clicks |
| Price | Lower | Slightly higher |
Choose the handle style that suits your towing setup and comfort needs.
Frequently Asked Questions
Q: Is this coupling compatible with electric brakes?
A: Yes! It’s designed specifically for use with trailers equipped with electric braking systems.
Q: Does it have a park brake?
A: Absolutely. It features a built-in ratchet park brake system with a folding handle for easy use and storage.
Q: What kind of tow balls does it fit?
A: It suits all standard Australian 50mm tow balls.
Q: What’s the load rating?
A: This coupling is rated for trailers up to 3500kg ATM.
Q: Is it compliant with Australian standards?
A: Yes, it meets AS4177.3 – the Australian standard for trailer couplings.
There are three common types of trailer braking systems:
Mechanical Override systems use a cable to apply brakes when the trailer pushes forward. Simple, affordable, and perfect for light trailers.
Hydraulic Override systems activate fluid pressure when the trailer surges, offering smoother stopping for heavier loads.
Electric Brakes are controlled by a dash-mounted brake controller in your vehicle, offering the most precise and adjustable braking for caravans and large trailers.
Not sure what you need? The weight of your trailer and how often you tow will decide.
Trailer Brake System Comparison
| Type | How it Works | Best For | Needs Controller? |
|---|---|---|---|
| Mechanical Override | Towball pushes coupling → cable pulls brake | Light trailers, boat trailers | ❌ |
| Hydraulic Override | Towball pressure activates hydraulic brake fluid | Heavier boat trailers, off-road | ❌ |
| Electric Brake | Brake controller sends current to brake magnets | Caravans, heavy-duty trailers | ✅ |
Choose based on your trailer weight, road use, and how much control you want over braking.
| Weight | 7.5 kg |
|---|---|
| Dimensions | 50 × 19 × 15 cm |
| Location | F-5-1 |
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