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        Learn more by watching our NLS 30798 | 20 amp 6KA Single Pole RCBO * NEW A TYPE * video.

        NLS | Single Pole 20A 6kA RCBO Type A | 240V DIN Rail

        The NLS 30798 is a single-pole residual current breaker with overcurrent protection (RCBO) rated 20A at 240V with a 6kA breaking capacity and 30mA earth-leakage sensitivity. Compliant with Australian Standards AS/NZS 61009:1 and ESV-approved for sale and installation in Victoria, the 30798 combines MCB and RCD functionality into one compact unit, simplifying switchboard design and reducing installation time. The 30798 is Type A classified, meeting new legislation requirements across Australia.

        Electricians routinely specify RCBOs on domestic and light-commercial work where both overcurrent and earth-leakage protection are needed on the same circuit. A single-pole RCBO uses less board space than separate MCB and RCD units, simplifies terminal connections, and cuts the risk of installing the wrong component in the wrong position. The 30798 accepts load from either the top or the bottom, so you can fit it to your board layout without reworking cables.

        Licensed electricians choose the NLS 30798 for its compact size and quick setup on switchboards. At 18mm wide and 81mm tall, the unit fits into standard boards without moving existing breakers or rewiring. Type A approval means your job meets current safety rules without checking multiple RCD versions. The 30mA earth-leakage trip protects residential circuits from child contact with water and from shock risk if someone touches an active bare conductor.

        Features

        • Dual protection in one unit — combines MCB (Miniature Circuit Breaker) and RCD (Residual Current Device) functionality, eliminating the need for separate breaker and safety switch components on individual circuits.
        • 20A rated current at 240V — suitable for general-purpose domestic circuits including power points, lighting, and small appliance loads within the 20A maximum demand envelope.
        • 6kA breaking capacity — interrupts fault currents up to 6000 amperes, meeting the fault-level requirements of typical domestic and light commercial installations in Queensland and Victoria.
        • 30mA earth-leakage sensitivity — detects dangerous leakage to earth and trips instantly, protecting against indirect contact hazards and wet-environment shock risk on circuits serving bathrooms, kitchens, and outdoor areas.
        • Type A RCD classification — compliant with the latest legislative requirements for new electrical work in Australia; automatically meets 2024+ regulations without version uncertainty.
        • 4000 electro-mechanical cycles — rated for high-cycle environments; the 30798 maintains performance across multiple test cycles and operational switching events on the job.
        • DIN rail mounting — standard 35mm DIN rail fixture; installs quickly on vertical or horizontal rails in surface and recessed switchboards with no special fixings required.
        • Top or bottom load terminals — flexible termination from either end of the device, reducing the need to rework cable runs and adapt to existing board configurations.
        • Non-polarised design — 1P+N (single pole plus neutral) configuration does not require phasing specification; install on any available pole without risk of incorrect polarity.
        • AS/NZS 61009:1 and ESV compliant — certified to Australian Standards and approved under Victorian Essential Services Commission safety certification, assuring compliance on domestic installations across all states and territories.
        • 3-year replacement warranty — NLS warranty covers manufacturing defects; covers fault replacement or refund within three years of invoice date for domestic and commercial applications.
        • Not suitable for load shedding or remotely controlled circuits — the 30798 is designed for manual switching and fixed-installation protection only; do not use on tariff switching or electronic remote-control circuits where control signals require bypass protection.

        Where to use

        • Domestic kitchen circuits — protect high-load benchtop circuits where multiple appliances (microwave, kettle, toaster) run simultaneously and wet splash risk is present; the 30mA earth-leakage trip adds safety to the 20A load limit.
        • Bathroom and wet-area protection — the 30798 is specified on bathroom lighting and exhaust-fan circuits where water splash or wet-floor contact is foreseeable; provides dual protection against both overload and dangerous leakage.
        • Domestic renos and additions — replace older single-function MCBs on existing circuits during renovation work; the single-unit design speeds installation and reduces enclosure clutter compared to retrofitting separate RCDs.
        • New residential construction — install on all light-load circuits (power, lighting, heating) in new homes and townhouses; Type A classification removes uncertainty about version compliance and future inspection disputes.
        • Rental properties and holiday homes — dual protection meets the safety expectations of property-management compliance audits; reduces liability from inadequate earth-leakage protection on circuits exposed to tenant wear.
        • Switchboard upgrade projects — consolidate the MCB/RCD layer in existing boards during planned upgrades; the 30798 clears space for additional circuits and simplifies future maintenance.
        • Light commercial and hospitality fit-outs — suitable for power circuits in cafes, shops, and small offices where 20A is the appropriate load limit and mixed wet and dry environments need coordinated protection.
        • Garage and workshop circuits — protect portable-tool circuits and equipment outlets at 20A; the 6kA fault rating handles the upstream load level on residential sub-circuits feeding work areas.

        The NLS 30798 is not suitable for industrial three-phase switchboards, high-fault-level commercial installations exceeding 6kA, or circuits requiring selective (delayed) RCD tripping. Do not use the 30798 on load-shedding tariff circuits or remote-control switching schemes where the device must remain powered during control signal pulses. The 30798 is rated for 240V single-phase domestic supply only; it is not a three-phase or 415V device and cannot be adapted for industrial use.

        IMPORTANT: This product is Type A and compliant with the new legislation.

        Verified Sparky Direct customer reviews: NLS 30798 (p30798)

        Fits well no issues on install. — Scott

        We use them all the time and never had an issue. — John

        Good quality and great value. — Matt

        (30798)

        An RCBO like the 30798 combines both overcurrent and earth-leakage protection in a single unit that mounts on a DIN rail. A separate MCB and RCD take up two mounting positions on the board and require two distinct switching operations to fully isolate a circuit. The 30798 saves space, simplifies installation, and reduces the risk of installing the RCD in the wrong position or rating.

        No, the 30798 is designed for manual-only circuits and fixed-load protection. Do not install it on tariff-switching circuits, remotely controlled circuits, or circuits requiring the device to remain powered during control signal pulses. For load-shedding applications, use a standard MCB on a separate tariff switching device upstream of the RCBO.

        Yes. The 30798 is classified as Type A and complies with Australian Standard AS/NZS 61009:1. It is approved by the Essential Services Commission (ESV) for sale and installation in Victoria and meets current national legislative requirements for new electrical work. Type A classification removes the need to verify RCD version against evolving regulations.

        The 6kA breaking capacity means the 30798 can safely interrupt a fault current of up to 6000 amperes. For domestic installations in Queensland and Victoria, a 6kA rating is appropriate for circuits fed from a 20A general-purpose sub-board. Check upstream fault levels with your local distribution authority if the installation is on a 40A or 63A sub-circuit; a 10kA-rated device may be required for higher fault levels.

        Yes. The 30798 supports termination from either the top or the bottom, so you can connect the active and neutral incoming supplies to whichever pair of terminals suits your board layout. This flexibility reduces the need to rework cable runs to fit the device into the switchboard.

        No. The 30798 is a single-phase 240V device and is not rated for three-phase or 415V supply. It is designed for domestic and light commercial single-phase circuits only. For three-phase RCBO protection, you will need a dedicated three-phase RCBO model; NLS offers separate models for three-phase applications.

        The NLS 30798 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: 3 Year
        Commercial Use: 3 Year
        Warranty Method: Return to Sparky Direct

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

        Brand NATIONAL LIGHT SOURCES
        SKU 30798
        Model # 30798NLS
        Barcode # 9336700016265
        Package Weight 0.115kg
        View Datasheet
        TYPE VALUE
        Type Circuit Protection
        Brand National Light Sources
        Rated Current (A) 20
        Height (mm) 81
        Width (mm) 18
        Depth (mm) 75
        Standards AS/NZS 61009:1
        Mounting DIN Rail
        Voltage (V) 240V
        Number of Poles 1P+N
        IP Rating IP20 ( IP40 Enclosed )
        Breaking Capacity 6kA
        Box increments (This item is sold individually) 12
        Earth Leakage Sensitivity 30mA
        Earth Leakage Protection Class Type A
        Curve C

        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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