{"product_id":"abb-bw440tpsn-enclosed-isolator-40a-4-pole-grey","title":"ABB BW440TPSN Enclosed Isolator 40A 4-Pole Grey","description":"\u003ch2\u003eABB BW440TPSN Enclosed Isolator 40A 4-Pole Grey\u003c\/h2\u003e\u003cp\u003eThe ABB BW440TPSN is a 40A 4-pole enclosed modular isolator in a grey plastic enclosure for surface-mounting in UAE buildings. It provides main incoming isolation for three-phase + neutral circuits in a self-contained IP-rated enclosure, suitable for residential, commercial, and light industrial applications.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e40A 4-pole isolator in a compact grey enclosed housing\u003c\/li\u003e\n\u003cli\u003eSelf-contained enclosure — no separate enclosure required\u003c\/li\u003e\n\u003cli\u003eSuitable for three-phase + neutral main incoming isolation\u003c\/li\u003e\n\u003cli\u003eSurface-mounting for walls and panels\u003c\/li\u003e\n\u003cli\u003eGenuine ABB quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBW440TPSN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eGrey Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e415V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSurface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMain incoming isolation for three-phase residential and commercial boards\u003c\/li\u003e\n\u003cli\u003eSurface-mounted isolation switches in buildings\u003c\/li\u003e\n\u003cli\u003eSub-main isolation in commercial facilities\u003c\/li\u003e\n\u003cli\u003eConsumer unit and DB main switching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this an MCB or an isolator?\u003c\/strong\u003e\u003cbr\u003eIt's an isolator (switch-disconnector), not an MCB. It has no overload or short-circuit protection — it only provides a manual on\/off disconnect, and should be paired with separate MCBs or RCCBs for circuit protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does 4-pole mean for this isolator?\u003c\/strong\u003e\u003cbr\u003e4-pole means it switches all three phases plus neutral, for supplies where the neutral must also be isolated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere should this isolator be installed?\u003c\/strong\u003e\u003cbr\u003eTypically as the main incoming switch or a local isolation point ahead of the MCBs\/RCCBs in a distribution board, so the whole board (or a section of it) can be isolated for maintenance without needing to trip individual breakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I install this myself?\u003c\/strong\u003e\u003cbr\u003eNo. This is trade-only distribution board equipment and must be installed and connected by a licensed electrician in accordance with local wiring regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this isolator be used to switch a live circuit under load?\u003c\/strong\u003e\u003cbr\u003eIsolators rated for on-load switching can do this within their utilisation category, but check the specific AC rating in the Technical Specifications table — an isolator is not a protective device and should not substitute for a circuit breaker.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44140748865635,"sku":"BW440TPSN","price":255.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/6570\/1475\/files\/9PAA00000380212_400x400_9b725e67-fd00-494a-bd1f-bfb707883a9f.png?v=1786966282","url":"https:\/\/www.deluxeuae.com\/products\/abb-bw440tpsn-enclosed-isolator-40a-4-pole-grey","provider":"Deluxe Electricals","version":"1.0","type":"link"}