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        Clipsal MX9MN340 | MAX9 40A MCB 6kA 3P+N | C Curve

        The Clipsal MX9MN340 is a 40A miniature circuit breaker (MCB) with a 3P+N configuration, built for 415V AC three-phase circuit protection in industrial, commercial, and heavy-load applications. It features a C curve tripping profile (5–10x In) for reliable protection against overloads and short circuits in circuits with moderate inrush currents.

        With a 6kA breaking capacity, it meets AS/NZS 60898 requirements and comes equipped with a toggle control, contact position indicator, and ON/OFF status display. Engineered for performance, it delivers 20,000 mechanical and electrical cycles, and is rated IP20 for internal protection.

        Its compact 54mm-wide body integrates easily into tight switchboard layouts, and tunnel-type terminals support 1–10mm² flexible and 1–16mm² rigid cables. Like the rest of the range, it’s MAXBAR compatible for fast, clean busbar installation.

        Clipsal MX9MN340 Features

        • 40A C Curve, 3P+N: Suited for heavy-duty three-phase protection with neutral switching.
        • 415V AC Rated: Ideal for industrial and commercial circuit distribution.
        • 6kA Breaking Capacity: Certified to AS/NZS 60898 for fault protection.
        • Compact 54mm Width: Space-saving solution for multi-pole installs.
        • MAXBAR Compatible: Supports streamlined connection with MAX9 DBs.

        Where to use this Clipsal MX9MN340

        • Industrial switchboards requiring 40A three-phase load protection.
        • Commercial machinery circuits with moderate startup inrush.
        • High-demand installations using MAX9 MCBs with neutral switching.

        (MX9MN340)

        Clipsal MAX9 MX9MN 3P+N circuit breakers are used to protect three-phase electrical circuits from overloads and short circuits in commercial and light industrial switchboards.

        The range is available in sizes from 6 amp through to 40 amp, covering a wide range of three-phase lighting and general power circuit requirements.

        3P+N means the breaker protects all three phases and switches the neutral at the same time for safer isolation.

        They are designed for three-phase lighting, appliances, and general power circuits where a C Curve tripping characteristic is suitable.

        Yes. They are commonly used in commercial switchboards requiring compact and reliable three-phase circuit protection.

        Yes. Sparky Direct stocks Clipsal MAX9 MX9MN 3P+N circuit breakers with fast dispatch and fast Australia-wide delivery.

        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: 7 Year
        Commercial Use: 7 Year
        Warranty Method: Clipsal in home warranty

        Specification Details
        SKU MX9MN340
        Type Miniature Circuit Breaker (MCB)
        Poles Description 3P + N
        Rated Current 40 A at 30 °C
        Voltage Rating 415 V AC, 50/60 Hz
        Curve Type C Curve
        Breaking Capacity 6000 A at 415 V AC
        Impulse Withstand Voltage 4 kV
        Insulation Voltage 400 V
        Mounting DIN rail
        Dimensions (H x W x D) 85 mm x 54 mm x 71 mm
        Connection Capacity 1–10 mm² flexible, 1–16 mm² rigid
        Tightening Torque 2 N·m
        IP Rating IP20

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

        Brand Clipsal by Schneider Electric
        SKU MX9MN340
        Model # MX9MN340
        Barcode # 3606487401568
        Package Weight 0.356kg
        Package Width 0.053m
        Package Height 0.071m
        Package Length 0.053m
        View Datasheet
        View Brochure
        TYPE VALUE
        Type Circuit Protection
        Brand Clipsal by Schneider Electric
        Rated Current (A) 40A
        Height (mm) 85mm
        Width (mm) 53mm
        Depth (mm) 71mm
        Voltage (V) 415V AC
        Number of Poles 3P+N
        Breaking Capacity 6kA
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