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        SolaX X1-BOOST-5K-G4 | 5kW X1-BOOST G4 Solar Single-Phase Inverter | MPPT

        The SolaX X1-BOOST-5K-G4 is a 5kW single-phase grid-tied inverter built for modern residential solar systems. With dual independent MPPTs and support for up to 200% PV oversizing, it's designed to get the most from today’s high-power panels. Each tracker supports 16A input current, making it ideal for flexible string layouts with larger modules.

        Delivering up to 98% efficiency and a wide 40–560V MPPT range, it performs reliably across varied conditions. Housed in an IP66-rated enclosure with natural convection cooling, it’s quiet and built to last outdoors. It also includes integrated DC isolation, residual current monitoring, Type II surge protection, optional AFCI, and rapid shutdown support for added safety.

        With smart features like export control, CT/smart meter compatibility, and live SolaX Cloud monitoring, installers can deliver compliant, connected solar systems tailored for Australian homes.

        SolaX X1-BOOST-5K-G4 Features

        • 5kW single-phase output: 5000VA rated AC power for standard residential grid connections
        • Dual MPPT with 16A input: Two trackers (2 × 16A, Isc 22A) for flexible string design and high-current modules
        • 200% DC oversizing: Supports up to 10kW of PV to maximise yield within a 5kW export limit
        • High efficiency: Up to 98% max efficiency with wide 40–560V MPPT voltage range
        • Integrated protection: Built-in DC isolator, RCM, Type II SPD on AC and DC, grid protection and optional AFCI / rapid shutdown support
        • Outdoor rated enclosure: IP66 housing with natural convection cooling for external wall mounting
        • Smart monitoring: RS485 and WiFi / LAN / 4G options for SolaX Cloud, including live data and remote diagnostics
        • Export control ready: CT / meter interface for export limiting and energy management with smart loads

        Where to Use this SolaX X1-BOOST-5K-G4

        • New residential single-phase solar installs: Up to 5kW AC with high-power modules
        • System upgrades: Replacing older inverters while adding extra PV capacity using 200% oversizing
        • Sites requiring export limiting: With remote monitoring and integration with smart energy devices
        • Outdoor wall-mounted inverter positions: Needing IP66 protection and quiet, fanless operation

        (X1-BOOST-5K-G4)

        Yes. Each MPPT accepts up to 16A input current, making it well suited to today’s larger-format, high-current modules.

        The inverter can take up to 200% DC oversizing, allowing significantly more panel capacity than the AC rating to maximise generation throughout the day.

        Absolutely. With dual, independent MPPTs, it can run two strings on different pitches or orientations with optimal tracking on each.

        It supports SolaX Cloud via WiFi, LAN, or 4G (depending on the communicator), offering live data, IV-curve tools, and remote diagnostics.

        It comes with an integrated DC isolator, residual current monitoring, Type II surge protection on both AC and DC, and optional AFCI/rapid shutdown support.

        Yes, Sparky Direct stocks the X1-BOOST-5K-G4 and provides fast, Australia-wide shipping. Bulky surcharges apply.

        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.

        5-Year Standard Warranty

        Your product is covered for 5 years from the earlier of:

        • The date it is first installed; or

        • Six (6) months after the manufacturing date shown on the product.

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

        Brand SolaX
        SKU X1-BOOST-5K-G4
        Model # X1-BOOST-5K-G4
        Package Weight 12.000kg
        Package Width 0.275m
        Package Height 0.146m
        Package Length 0.404m
        View Datasheet
        View Manual
        TYPE VALUE
        Type PV Inverter
        Brand SolaX
        Colour White
        IP Rating IP66
        Nominal Output Power (W) 5000
        Max PV Input Voltage (V) 600
        0.0

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