{"product_id":"16-5w-350ma-constant-current-dimmable-led-driver-knightsbridge","title":"16.5W 350mA Constant Current Dimmable LED Driver - Knightsbridge","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge 1W210DA is a 16.5W constant current LED driver delivering 350mA at up to 40V DC output, designed to power LED downlights, panel lights and other constant-current LED fittings. The driver converts 230V 50Hz mains input to stable DC output, maintaining a consistent current across the connected load regardless of small voltage fluctuations or LED forward voltage variation.\u003c\/p\u003e\n\u003cp\u003eRated for indoor use at IP20 and carrying Class II double-insulation (no earth connection required), the driver fits into ceiling voids, false ceilings and joists in residential, office and retail installations. The polycarbonate housing measures 125mm x 41mm x 29mm, making it small enough to sit inside most downlight back-boxes or behind LED panel frames. The driver is compatible with Knightsbridge UNDKxx downlight fittings and other constant-current LED products requiring 350mA drive current.\u003c\/p\u003e\n\u003cp\u003eThe 1W210DA supports trailing-edge (reverse-phase) dimming, which is the preferred dimmer type for LED drivers as it reduces inrush current and electromagnetic interference compared to leading-edge dimmers. Dimmer compatibility varies by manufacturer and model, so checking the specific dimmer against the driver before installation is recommended to avoid flicker or limited dimming range. The white polycarbonate finish blends into most ceiling voids without additional finishing.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e29 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e41 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Voltage\u003c\/td\u003e\n\u003ctd\u003e230V 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimmable\u003c\/td\u003e\n\u003ctd\u003eTrailing-edge only*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Type\u003c\/td\u003e\n\u003ctd\u003eConstant Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDownloads\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/products_3553398_datasheet.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/manual_896142.pdf\" target=\"_self\"\u003eProduct Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat dimmer type is compatible?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis driver requires a trailing-edge (reverse-phase) dimmer. Leading-edge dimmers are not compatible and may cause flicker, buzzing or failure to dim smoothly. Check the dimmer manufacturer's specifications for compatibility with constant-current LED drivers before pairing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fittings does this driver power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1W210DA powers constant-current LED fittings rated at 350mA, including Knightsbridge UNDKxx downlights and other LED panels or modules requiring 350mA drive current. It does not suit constant-voltage (12V\/24V) LED strip or fittings designed for mains-voltage input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be installed in bathrooms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IP20 rating means the driver is not protected against moisture ingress. It must be installed outside bathroom zones (typically outside the room itself, or in a ceiling void above a non-bathroom space) where it remains dry and dust-free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does Class II mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClass II double-insulation means the driver does not require an earth connection. This simplifies wiring in older properties where earth cables may not be present in ceiling voids, though a qualified electrician should always verify the installation meets current wiring regulations.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":45293732823307,"sku":"1W210DA","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/439912_b59d2ca7-1777-48d9-9833-b586e7c2c037.jpg?v=1714663446","url":"https:\/\/niori.co.uk\/products\/16-5w-350ma-constant-current-dimmable-led-driver-knightsbridge","provider":"Niori","version":"1.0","type":"link"}