The ECZL Electric Trailer Coupling is a heavy-duty towing component designed for compatible boat, caravan and utility trailers rated up to 3500kg. Featuring a 50mm towball connection, zinc-coated steel construction and quick-release locking mechanism, it provides secure and convenient trailer attachment. An integrated handbrake lever allows operation of a compatible parking brake system, while the adjustable coupling head and padlock facility provide additional convenience and security.
Couplings
Electric Trailer Coupling 50mm Towball – 3500kg Zinc Finish
SKU: SR-ECZL
$106.70
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Key benefits
Key Benefits
- - 3500kg Rated Capacity: Suitable for compatible trailers up to 3.5 tonnes.
- - 50mm Towball Connection: Fits standard Australian 50mm towballs.
- - Electric Brake Compatibility: Suitable for trailers equipped with compatible electric braking systems.
- - Integrated Handbrake Lever: Allows manual operation of a correctly connected mechanical parking brake.
- - Quick Release Paddle: Convenient attachment and removal.
- - Adjustable Coupling Head: Allows adjustment to maintain correct towball fit.
- - Zinc Finish: Helps resist corrosion and weather exposure.
- - Padlock Facility: Additional coupling security.
- - ADR Approved: Australian Component Type Approval CTA-061100.
Specifications & Dimensions
- - Part Number: ECZL
- - Product Type: Electric brake compatible trailer coupling
- - Rated Capacity: 3500kg (3.5 tonnes / 7,716lb)
- - Towball Diameter: 50mm (1.97")
- - Material: Steel
- - Finish: Zinc painted
- - Coupling Type: Fixed, non-override
- - Brake Compatibility: Electric trailer brakes
- - Parking Brake: Integrated handbrake lever
- - Coupling Mechanism: Quick-release paddle
- - Towball Adjustment: Adjustable screw
- - Security: Padlock facility
- - Mounting Configuration: 4-bolt
- - Mounting Hole Spacing: 185mm × 55mm (7.28" × 2.17")
- - Recommended Mounting Bolts: 4 × 1/2" high-tensile bolts, 1½" long, or compatible M12 grade 8.8 bolts
- - Compliance Marking: AS4177.3
- - Component Type Approval: CTA-061100
Trailer & Brake Compatibility
- Suitable for correctly rated and configured
- - Electric-braked boat trailers
- - Aluminium boat trailers
- - Fibreglass boat trailers
- - Tandem-axle boat trailers
- - Caravan trailers
- - Camper trailers
- - Box trailers
- - Utility trailers
- - General-purpose trailers
- Important: The coupling is compatible with electric braking systems but does not itself activate the trailer's service brakes. A correctly installed electric brake controller and compliant braking system are required where applicable.
Suitable Applications
- - Replacing worn electric trailer couplings
- - Boat trailer maintenance and refurbishment
- - Caravan and camper trailer repairs
- - Trailer coupling upgrades
- - Trailers requiring a mechanical parking brake lever
Important Fitment Information
- - Confirm the trailer's ATM does not exceed the 3500kg coupling rating.
- - Verify the towing vehicle uses a 50mm towball.
- - Check the mounting hole spacing of 185mm × 55mm.
- - Confirm the drawbar is suitable for four-bolt installation.
- - Use correctly rated high-tensile mounting bolts.
- - Ensure the handbrake lever is connected to a compatible parking brake mechanism.
- - Check the coupling latch locks securely onto the towball.
- - Adjust the coupling head according to the manufacturer's instructions.
- - Confirm the trailer's electric braking system and breakaway equipment meet applicable Australian requirements.
- Safety Note: Trailers over 2000kg GTM require a compliant breakaway braking system. The handbrake lever is not a substitute for the service brakes or breakaway system.
Signs the Coupling Needs Replacing
- - Excessive movement around the towball
- - Worn or damaged locking mechanism
- - Bent or cracked coupling body
- - Excessive corrosion
- - Damaged mounting holes
- - Seized or damaged handbrake lever
- - Difficulty engaging the quick-release paddle
- - Coupling failing to lock securely
- - Excessive wear around the towball socket
Shipping
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