CURT Soft-Trac 2 Breakaway Kit with Charger Trailer BrakeCURTOriginal price was $93.95. Current price is $78.35.In Stock
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Includes lockable battery case, 12V 5-amp rechargeable battery, nylon breakaway switch, battery charger and mounting hardware
Includes lockable battery case, 12V 5-amp rechargeable battery, nylon breakaway switch, battery charger and mounting hardware
Warranty: One-Year Limited Warranty
Installation Time Exact (Minutes): 0
For any and all types of trailers with electric trailer brakes, a CURT breakaway kit provides you with the equipment you need to be prepared. We offers three different complete breakaway systems to accommodate various trailer sizes and meet your specific towing needs. All of our breakaway kits are tested for your safety and meet DOT requirements for holding and breakaway situations. The CURT Soft-Trac 1 breakaway system comes with a 12-volt, 5-amp battery and a nylon breakaway switch for reliable activation. The battery is designed to be rechargeable for long-term use, and the breakaway switch comes with a 48" lanyard to fit most vehicle-trailer combinations. This particular kit also includes a 12-volt battery charger. To keep the battery well-protected from the elements and tampering, this Soft-Trac 1 breakaway kit also comes with a lockable top-load battery case. The case is made from durable plastic to be rust-free and features a screw-tight lid with rubber gaskets to maintain good wiring connections. Nobody hitches up a trailer expecting a breakaway, but that doesn't mean you should tow unprepared. Be ready for anything with a CURT breakaway kit.
CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
The CURT 52040 is a breakaway kit designed to activate a trailer's electric brakes if the trailer disconnects while towing, bringing the trailer to a safe stop. It is required when towing trailers of 3,000 lbs. GTW or greater. The kit includes a breakaway switch, 12V 5Ah gel cell battery, battery charger, and mounting hardware.
Your trailer must be equipped with electrical brakes to use the CURT 52040 kit. The kit is required when towing trailers of 3,000 lbs. GTW or greater. The breakaway switch mounts on the trailer tongue and connects to the trailer's electric brake system via the blue wire.
The kit includes: 4 self-tapping screws with hex head washer (1/4"-14 x 3"), 4 flat washers (5/16"), 4 nylock nuts (5/16"), and 2 U-bolts (5/16"). These fasteners are used to mount the breakaway switch and battery case to the trailer frame.
Yes. You must disconnect the trailer connector from the tow vehicle prior to testing the breakaway system. This prevents severe damage to the tow vehicle's electric brake controller during testing.
Position the breakaway switch on the tongue of the trailer so that the cable can reach the tow vehicle's trailer hitch safety chain eyelets. This positioning is critical for proper engagement of the switch. Choose a suitable mounting location and drill a 9/32" hole in the trailer frame. Do not over-tighten the bolt so the breakaway switch can pivot.
Find a suitable location on the trailer frame to mount the battery case. The location must not interfere with the switch's lanyard. The manual does not specify additional mounting details beyond this requirement.
Drill a 9/32" hole in the trailer frame to mount the breakaway switch. Use caution when drilling to ensure there are no wires or other objects behind the drilling surface.
Connect one black wire to the breakaway battery's positive (+) terminal. Splice the other black wire to the blue wire leading to the trailer brakes. The blue wire should show 12V positive when the vehicle brakes are applied. Splice the yellow wire on the breakaway box to the trailer 12V auxiliary power lead. Splice the white wire of the breakaway box to the white ground wire coming from the trailer side connector.
The blue wire connects to the trailer's electric brakes. One black wire from the breakaway box is spliced to this blue wire. The blue wire should show 12V positive when the vehicle brakes are applied.
The yellow wire on the breakaway box is spliced to the trailer's 12V auxiliary power lead to provide power to the system.
The white wire of the breakaway box is spliced to the white ground wire coming from the trailer side connector to complete the electrical ground connection.
No. Do not use this kit as a parking brake. The breakaway system is designed only to activate the trailer's electric brakes if the trailer disconnects while towing.
Do not attach the breakaway switch cable to mounting hooks, trailer safety chains, or the trailer ball. The cable should be positioned to reach the tow vehicle's trailer hitch safety chain eyelets for proper engagement.
Never exceed the vehicle manufacturer's recommended towing capacity. The CURT 52040 is required for trailers of 3,000 lbs. GTW or greater, but you must always follow your vehicle manufacturer's specifications.
Prior to each use, check the system's battery for operating voltage. Check that the breakaway switch cables are not damaged from dragging on the ground and that they can move freely. Ensure the battery is charged prior to each use. Periodically check the breakaway system to ensure proper and secure connections.
Test the breakaway by pulling firmly on the cable of the breakaway switch. The battery will activate the brakes. However, you must disconnect the trailer connector from the tow vehicle prior to testing to avoid severe damage to the tow vehicle's electric brake controller.
When battery voltage is under 6V, relay K1 will not activate when switch S1 is activated. The whole tester circuit will have no power and will not activate either the green or red LED. This indicates a dead battery that needs to be charged.
If the system measures voltage less than 14V, the charging circuit provides maximum charging current to the 12V 5Ah gel cell battery until it is fully charged to 14V. During operation, the system provides a trickle charge to maintain battery voltage. Do not hook the 12V battery directly to the tow vehicle's charge circuit, as direct connection can damage the battery.
The CURT 52040 includes a 12V 5Ah gel cell battery. A battery charger is also included with the kit.
The CURT 52040 requires a trailer equipped with electrical brakes and is designed for trailers of 3,000 lbs. GTW or greater. Verify your trailer has electric brakes before purchasing.
Yes. You must drill a 9/32" hole in the trailer frame to mount the breakaway switch. Use caution to ensure no wires or objects are behind the drilling surface.
The manual states that proper tools will improve installation quality and reduce time required, but does not specify which tools are needed. A drill for the 9/32" hole and standard fastening tools are implied.
Yes. Disconnect the trailer connector from the tow vehicle prior to testing the breakaway system to prevent damage to the tow vehicle's electric brake controller.
Check the battery for operating voltage, ensure the breakaway switch cables are not damaged and move freely, and verify the battery is fully charged. Test the breakaway by pulling the cable firmly (with trailer connector disconnected from tow vehicle).
Splice one black wire to the battery positive terminal, the other black wire to the blue trailer brake wire, the yellow wire to the 12V auxiliary power lead, and the white wire to the trailer ground wire.
If the breakaway system does not activate when you pull the cable, the battery voltage may be under 6V (dead battery). Check the system's battery for operating voltage. If voltage is under 6V, relay K1 will not activate and neither the green nor red LED will light. Charge the battery fully to 14V before attempting to use the system again.
If neither the green nor red LED activates when you test the system, the battery voltage is likely under 6V (dead battery). Relay K1 will not activate when the battery is critically low. Charge the battery fully to 14V and test again.
Open and/or short circuits in the breakaway system may result in a no-brake situation. Check the breakaway system periodically to ensure proper and secure connections. Verify all wire splices are secure and that the blue wire to the trailer brakes shows 12V positive when vehicle brakes are applied.
| Part # | Loads From | Includes | Replacement Part # |
|---|---|---|---|
| Push-to-Test Breakaway Kits | |||
| 52044 | Top | Push-to-test, lockable battery case 12-volt 5-amp rechargeable battery Built-in battery charger Nylon breakaway switch Mounting hardware |
-- 52023 -- 52010 -- |
| 52042 | Side | Includes the same parts as 52044 | -- |
| Soft-Trac 1 Breakaway Kits | |||
| 52040 | Side | Lockable battery case 12-volt 5-amp rechargeable battery Nylon breakaway switch Battery charger Mounting hardware |
-- 52023 52010 52025 -- |
| 52041 | Side | Includes the same parts as 52040 Battery charger not included |
-- |
| Soft-Trac 2 Breakaway Kits | |||
| 52028 | Top | Lockable battery case with bracket 12-volt 5-amp rechargeable battery Nylon breakaway switch Battery charger |
52029 52023 52010 52025 |
| 52026 | Top | Includes the same parts as 52028 Battery charger not included |
-- |
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