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        NLS 30873 | Changeover Switch 3 Pole | 63A Surface Mount IP55

        The NLS 30873 Changeover Switch 3 Pole 63A provides safe power transfer between the grid and an alternate source such as a generator. Its surface mount design supports straightforward installation, while the switch mechanism prevents backfeeding for reliable isolation. Housed in a durable grey enclosure, it carries an IP55 rating for protection against dust and water exposure.

        Designed for long-term performance in commercial and industrial environments, this changeover switch offers a practical solution for managing backup power systems.

        NLS 30873 Features

        • 3-Pole 63A Changeover Switch supports safe transfer between main and backup power sources.
        • Surface Mount Design enables quick, secure installation on solid surfaces.
        • Backfeed Prevention ensures safe isolation between power supplies.
        • Durable Grey Enclosure suited for commercial and industrial conditions.
        • IP55 Rating protects against dust and water from all directions.

        Where to use this NLS 30873

        • Generator changeover setups requiring safe power selection.
        • Industrial and commercial premises needing reliable backup power switching.
        • Installations where a surface-mounted changeover solution is preferred.
        • Locations exposed to weather or dust where IP55 protection is required.

        (30873)

        It safely transfers supply between the grid and an alternate source, such as a generator, using a three-pole switching mechanism.

        It’s rated 63A, suitable for medium-load commercial and industrial backup systems.

        Yes, the mechanism isolates sources to prevent dangerous backfeeding.

        The IP55 rating protects against dust and water from all directions.

        Yes, the surface-mount enclosure supports quick installation on solid substrates.

        Yes, Sparky Direct stocks NLS 30873 and offers quick delivery depending on warehouse availability and your location.

        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 Sparkydirect

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

        Brand NATIONAL LIGHT SOURCES
        SKU 30873
        Model # 30873NLS
        Barcode # 9336700017248
        Package Weight 1.017kg
        Package Width 0.175m
        Package Height 0.206m
        Package Length 0.106m
        View Datasheet
        View Manual
        TYPE VALUE
        Type Isolators & Switches Weatherproof
        Brand National Light Sources
        Range Industrial
        Colour Grey
        Rated Current (A) 63
        Mounting Surface Mount
        Voltage (V) 500
        Material Poly Carbonate
        Switch Type Changeover
        Number of Poles 3
        IP Rating IP55
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