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        The Hager ALM4xxT Series 3P+N RCBO offers combined over‑current and earth leakage protection in a compact three‑phase plus neutral format — ideal for modern three‑phase installations requiring both fault‑current and residual‑current protection in one device. With a 6 kA breaking capacity and 30 mA trip sensitivity, this range is designed for commercial, industrial or larger residential switchboards where discrimination, space efficiency and full compliance are critical.

        Key Features

        • 3P+N RCBO Combination – Provides MCB and RCD protection in one unit
        • 30mA Trip Sensitivity – Personal protection against electric shock and earth faults
        • 6kA Breaking Capacity – Suitable for a wide range of switchboard environments
        • Wide Current Range – Available in 10A, 16A, 20A, 25A, 32A, 40A, 50A and 63A models
        • Type A RCD – Detects both AC and pulsating DC residual currents
        • C Curve Trip Characteristic – Ideal for general lighting, power and motor protection
        • 3 Module Width – Space-efficient DIN-rail installation
        • Fully Switched Neutral – Enhances safety in three-phase systems
        • AS/NZS 61009 Compliant – Meets Australian standards for RCBOs
        • Compatible with Hager Busbar Systems – Fast and clean switchboard integration

        Specifications (typical for 3P+N ALM4xxT series)

        • Rated Voltage (Ue): 400 / 415 V AC (three‑phase circuits)
        • Rated Impulse Withstand Voltage (Uimp): typically 6 kV or 10 kV depending on breaking capacity variant.
        • Rated residual operating current (IΔn): 30 mA
        • Breaking capacity (Icn): 6 kA standard
        • Number of modules width: 3 modules wide (3M) in DIN‑mounted system.
        • Tripping characteristic: C‑curve (standard)
        • Range of rated currents: 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A
        • Standards Compliance: AS/NZS 61009 (and relevant IEC/EN equivalents) for RCBO devices.

        Applications

        • Three‑phase commercial installations where combined over‑current and earth‑leakage protection is required (e.g., small industrial boards, apartment building distributors)
        • Switchboards servicing workshops, plant rooms, or multi‑unit residential with 3‑phase supplies
        • Circuits with mixed loads (motor, general power, lighting) where space‑efficient protection devices are preferred
        • Upgrade or retrofit scenarios where board space is at a premium and modular protection devices simplify wiring

        Whether you're upgrading a distribution board, specifying protection for three-phase loads, or ensuring AS/NZS 61009 compliance, the Hager ALM4xxT Series delivers smart protection in a sleek, compact form. Trusted by electricians and contractors across Australia, it’s the reliable choice for modern switchboard designs.

        Q. Does this series fully switch the neutral conductor?
        A. Yes — the ALM4xxT series provides 3 P + N switching so the neutral conductor is also switched, ensuring full circuit isolation when tripped.

        Q. Are there different breaking capacity options?
        A. Yes — there are standard 6 kA breaking capacity models and higher fault‑level (10 kA) models for more demanding environments.

        Q. Can these RCBOs be used for motor loads?
        A. Yes, depending on the load. The availability of both C‑curve and D‑curve variants gives flexibility. Check motor inrush current and select appropriate curve.

        Q. What size board space do they occupy?
        A. These devices are 3‑module (3M) wide in the Hager modular system — meaning three standard DIN modules wide per device.

        Q. Are all current ratings covered in this series?
        A. Yes — the ALM4xxT series covers 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A and 63 A, providing a wide selection to match most three‑phase circuit requirements.

        All products must be installed by a licensed electrican. DIY electrical work is illegal and very dangerous.

        Change of Mind
        All products purchased from MJS Electrical Products & Supplies are backed by a thirty (30) day Peace of Mind Return Policy. All products returned must be in perfect unused condition, with all components, complete with original packaging. We will not allow returns on damaged or incomplete products. Proof of purchase is required. Should the product not be in original condition, please contact us before returning it as this may save you some unnecessary costs.

        Damaged / Faulty Goods
        If you find that the goods were damaged in transit or were faulty in some manner, please contact us within 24 hours of receiving the goods. We will organise for the return of the goods and arrange a credit towards your next purchase or send a replacement product. Customer will incur the cost of return postage and be credited the purchase price only. We recommend that you return your unwanted items using registered post or trackable courier. We can not be held responsible if returned items are lost in transit.

        Warranties
        Product warranties are governed by the respective manufacturers and / or suppliers warranty terms and conditions (available on request). We will not be liable to you or any third party for any loss suffered due to product failure. We will process product warranty claims through the respective manufacturers and/or suppliers. All warranties are void if the product is not installed by a licensed electrician.

        Type RCBO
        Mounting Din Rail
        Trip Current 6 kA
        Trip Curve C Curve
        PRODUCT INFO
        SKU HAALM4T
        Model # ALM4xxT
        Brand Hager
        SHIPPING INFO
        Shipping Weight 0.5000kg
        Shipping Width 0.053m
        Shipping Height 0.115m
        Shipping Length 0.075m