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        Major Tech | Custom Engraved MC4 Solar Crimping Tool 2.5 to 6mm² | Ratchet with Pressure Adjustment

        The Major Tech SD-CUSTOM-CTR0334 is an MC4 solar crimping tool with custom text engraved by Sparky Direct. One line of up to 12 characters is cut into the tool before it ships. The CTR0334 crimps MC4 contacts in 2.5mm², 4.0mm² and 6mm², using a ratchet with pressure adjustment. The jaw is drop forged, and the release is automatic with a manual override.

        One MC4 crimper looks much like another once it is out of the box and in a shared van. A name written on the handle in paint pen wears off with use and cleaning. The SD-CUSTOM-CTR0334 carries one engraved line of 12 characters, cut in before it ships. It reads as part of the tool rather than something added later.

        The tool works in either the left or right hand, so an engraved name settles ownership rather than fit. Engraving the body changes nothing about the jaw, the ratchet or the pressure setting.

        Features

        • Custom engraved to order — Sparky Direct engraves the text you supply before the SD-CUSTOM-CTR0334 is dispatched.
        • One line, 12 characters — a name, a business or an initial and a number, inside a twelve character limit.
        • Ratchet mechanism — the ratchet runs the jaw through a full cycle so each crimp closes the same way.
        • Pressure adjustment — crimping pressure is set on the tool rather than judged by hand.
        • Automatic release — the jaw releases on its own once the crimp cycle is complete.
        • Manual override — the release can be triggered by hand, which matters when a contact goes in wrong.
        • Left or right handed — the CTR0334 is made to be worked from either side.
        • Drop forged jaw — the jaw is drop forged rather than cast or pressed.
        • Three terminal sizes — the tool covers 2.5mm², 4.0mm² and 6mm² MC4 terminals.

        Where to use

        • Rooftop and ground mount PV — the tool is made for MC4 contacts on solar panel PV cable, which is most of a string termination.
        • Shared solar crews — the engraved line puts a name on a tool that moves between vans and installers.
        • Either hand on a roof — working from the left or the right suits a position where the tool cannot be approached from one side.
        • Repeat terminations — the ratchet closes the same way on every contact across a run.

        The CTR0334 crimps MC4 contacts only, in 2.5mm², 4.0mm² and 6mm². Other connector systems and conductor sizes outside that range need a different tool. Engraving cannot be altered once cut, so check the spelling before ordering, and no change of mind returns apply to customised products.

        (SD-CUSTOM-CTR0334)

        The SD-CUSTOM-CTR0334 is a standard Major Tech CTR0334 MC4 solar crimping tool with your own wording engraved on it by Sparky Direct. It crimps MC4 solar contacts using a ratchet jaw with adjustable pressure.

        One line of up to 12 characters. Engraved text size and position can shift a little depending on the characters supplied, so check the wording before ordering. The engraving is cut in, not printed, so it does not wear off the handle.

        MC4 terminals in 2.5mm², 4.0mm² and 6mm². Those three sizes cover standard solar PV cable. Anything outside that range, or a connector system other than MC4, needs a different tool.

        Yes. The ratchet has a pressure adjustment, so the force applied is set on the tool rather than judged by feel. The ratchet also carries the jaw through a full cycle, which keeps repeat crimps consistent across a run.

        The release is automatic at the end of the cycle, but there is a manual override to open the jaw part way through. That lets a misplaced contact or a damaged terminal come back out without finishing the crimp.

        Yes. The CTR0334 is made for left or right hand operation, so it can be worked from either side. That is worth knowing on a roof where the termination cannot always be approached from the same direction.

        No. The engraving is cut to order, so change of mind refunds and returns do not apply. Warranty runs two years for both domestic and commercial use from the invoice date, claimed by returning the tool to Sparky Direct. Report faulty or damaged goods within 24 hours.

        The Major Tech SD-CUSTOM-CTR0334 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Domestic Use: 2 Year
        Commercial Use: 2 Year
        Warranty Method: Return to Sparky Direct

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand Major Tech
        SKU SD-CUSTOM-CTR0334
        Model # SD-CUSTOM-CTR0334
        Barcode # 2000000014043
        Package Weight 0.574kg
        TYPE VALUE
        Type Crimping Tool
        Brand Major Tech

        Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.

        Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.

        Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.

        Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.

        For website terms and conditions https://www.sparkydirect.com.au/terms-of-use

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