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        Learn more by watching our NLS 30823 | 32Amp 6kA | 4 Pole RCBO | Type A video.

        National Light Sources | 4-Pole RCBO 32A 6kA Type A | DIN Rail

        The NLS 30823 is a 32A four-pole RCBO (Residual Current Circuit Breaker with Overcurrent Protection) rated 240V/415V, Type A, for DIN rail mounting in switchboards and distribution boards. The 30823 provides combined protection against residual earth faults and overcurrent conditions in three-phase circuits with neutral. It complies with AS/NZ 61009-1 and is rated for a 6kA breaking capacity, suitable for intermediate-load three-phase installations.

        Three-phase switchboards and distribution boards require space-efficient protection that combines earth leakage detection with circuit overcurrent safeguards. The NLS 30823 eliminates the need for separate RCD and circuit breaker devices by housing both functions in a single DIN rail module, reducing switchboard complexity and cutting installation time. Multi-phase circuits on commercial and industrial installations frequently specify RCBOs at 32A to match intermediate load demands and standard modular board layouts.

        Electricians and contractors value the NLS 30823 for its practicality and straightforward operation across repair, upgrade, and new-build projects. The 32A rating suits three-phase submains distribution without oversizing, and the Type A earth leakage class detects standard sinusoidal faults within its 30mA sensitivity band. Stock rotation is simple since the 30823 is part of NLS's established RCBO range, with proven field performance and consistent availability through electrical wholesalers.

        Features

        • 32A rated current — handles intermediate three-phase loads, sized between 20A and 40A alternatives to match standard switchboard distribution requirements.
        • Combined RCD and overcurrent protection — single device detects earth faults and circuit overload, replacing the need for separate RCD plus circuit breaker on the same circuit.
        • Type A earth leakage class — detects standard sinusoidal alternating residual currents; 30mA sensitivity meets general-purpose installation standards for homes, light commercial, and industrial use.
        • 6kA breaking capacity — capable of safely interrupting faults up to 6000 amps, suitable for distribution boards fed from smaller transformer outputs or long cable runs.
        • 4-pole configuration (3P+N) — protects all three active phases and neutral in a single unit, essential for balancing three-phase loads on switchboards and ensuring neutral monitoring.
        • DIN rail mounting — standard snap-on profile integrates with modular switchboard designs; installation requires no special fixings or tools beyond a flat-blade screwdriver for terminal connections.
        • Lockable toggle switch — mechanical lever with lock provision prevents accidental trips during testing or maintenance, a practical feature on boards in operational installations.
        • Terminals accept up to 25mm² cable — accommodates standard sizing for switchboard mains and sub-circuit feeders without requiring cable downsizing or lug adapters.
        • Complies with AS/NZ 61009-1 — certified to the Australian/New Zealand combined RCD and overcurrent protection standard, mandatory for use in domestic and commercial switchboards.
        • Curve C characteristic — responds to instantaneous and short-circuit faults with no delay, standard for distribution circuits and general-purpose loads rather than inductive or motor circuits.
        • Compact modular size — 84mm height, 71mm width, 80mm depth allows three or more units to fit within standard switchboard width constraints, maximising protection density on crowded boards.
        • Interior use only — not weatherproof or rated for outdoor, damp, or immersion installations; the NLS 30823 is designed for dry enclosed switchboard environments only.

        Where to use

        • Three-phase switchboards — the NLS 30823 is specified on submains and distribution switchboards where 32A three-phase protection is required, including new builds and retrofit upgrades.
        • Industrial and commercial installations — light industrial workshops, commercial kitchens, small manufacturing facilities, and office building electrical rooms commonly use 32A RCBOs on phase distribution circuits.
        • Upgrade and repair work — the 30823 suits jobs where existing RCD/circuit breaker combinations are being replaced with a single modern RCBO module to simplify board architecture.
        • Multi-phase renovation projects — major domestic renovations with three-phase power available (increasingly common in regional areas) use RCBOs to protect new circuits wired at upgrade time.
        • Solar inverter protection circuits — where three-phase solar installations require failsafe RCBO protection on the grid-connect switchboard, separate from single-phase GPO protection.
        • Sub-board distribution — secondary distribution boards fed from a main RCBO use 32A units to protect distinct load groups (lighting, power, water heating) on large three-phase installations.

        The NLS 30823 is not suitable for single-phase circuits, outdoor or wet-area installations, or locations where rapid automatic reclosure is required. It is not designed for use in caravan parks, marinas, or splash-zone applications where higher IP ratings are mandatory.

        Verified Sparky Direct customer reviews: NLS 30823 | 32Amp 6kA | 4 Pole RCBO | Type A

        "Works perfectly. Trips every time. Good value." — Y

        "Sturdy and practical, cheap enough too." — Neil

        "Great product, great price." — Chris R

        (30823)

        The NLS 30823 is a four-pole (3P+N) RCBO designed exclusively for three-phase circuits with neutral. It is not suitable for single-phase installations. For single-phase protection, specify a single-pole RCBO such as the NLS 30810 or 30815 series.

        The NLS 30823 at 32A sits between the 20A (NLS 30821) and 40A (NLS 30824) variants. The 32A rating suits intermediate three-phase loads on distribution boards; choose 20A for smaller sub-circuits and 40A for heavier loads such as large air conditioning or manufacturing equipment.

        Installation of the NLS 30823 must be carried out by a licensed electrician. The device connects to the mains switchboard and requires compliance with AS/NZS 3000 and local electrical standards. Switchboard work is restricted to qualified persons.

        Type A means the NLS 30823 detects standard sinusoidal alternating residual currents at its 30mA sensitivity threshold. Type A is the most common earth leakage class for general-purpose installations including homes, offices, shops, and light industrial use. It does not detect DC components or pulsating DC faults (those require Type B devices).

        Breaking capacity is the maximum fault current the RCBO can safely interrupt without sustaining damage. The NLS 30823's 6kA rating means it can handle fault currents up to 6000 amps. This suits most domestic and light commercial switchboards; larger industrial installations may require 10kA or higher.

        The NLS 30823 should be tested monthly using the integral test button, a simple press-and-release that simulates an earth fault. Annual professional inspection is recommended on commercial and industrial boards. The device itself has no scheduled replacement interval if operation is normal, though some jurisdictions require RCBOs to be replaced every 10–15 years as a precaution.

        The NLS 30823 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: 1 Year
        Commercial Use: 1 Year
        Warranty Method: Return to Sparky Direct

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

        Brand NATIONAL LIGHT SOURCES
        SKU 30823
        Model # 30823NLS
        Barcode # 9336700016531
        Package Weight 0.430kg
        TYPE VALUE
        Type Circuit Protection
        Brand National Light Sources
        Rated Current (A) 32
        Height (mm) 84
        Width (mm) 71
        Depth (mm) 80
        Standards AS/NZ 61009-1
        Mounting DIN Rail
        Voltage (V) 240/415
        Number of Poles 3P+N
        IP Rating IP20 ( IP40 Enclosed )
        Breaking Capacity 6kA
        Box increments (This item is sold individually) 1
        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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