{"product_id":"abb-mccb-xt5n-400-tma-400-4000-3-pole-50-c","title":"ABB MCCB XT5N 400 TMA 400-4000 3-Pole 50°C","description":"\u003ch2\u003eABB MCCB XT5N 400 TMA 400-4000 3-Pole 50°C\u003c\/h2\u003e\u003cp\u003eThe ABB XT5N 400 TMA 400-4000 3P 50°C is a 3-pole MCCB with TMA 400–4000A trip, 36kA breaking capacity, and 50°C ambient temperature rating for UAE high-ambient industrial main incoming and primary distribution protection applications. Its 50°C rating ensures rated performance even in the hottest UAE switchroom environments.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3-pole MCCB with 400–4000A TMA trip\u003c\/li\u003e\n\u003cli\u003e36kA breaking capacity at 415V\u003c\/li\u003e\n\u003cli\u003e50°C ambient rating for UAE high-temperature installations\u003c\/li\u003e\n\u003cli\u003eMain incoming switchgear duty\u003c\/li\u003e\n\u003cli\u003eGenuine ABB Tmax XT5N 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\u003eXT5N 400 TMA 400-4000 3p F F 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd\u003e1SDA100349R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Unit\u003c\/td\u003e\n\u003ctd\u003eTMA 400–4000A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaking Capacity\u003c\/td\u003e\n\u003ctd\u003e36kA @ 415V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Rating\u003c\/td\u003e\n\u003ctd\u003e50°C\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 protection in high-ambient UAE switchgear rooms\u003c\/li\u003e\n\u003cli\u003ePrimary distribution incoming for large commercial buildings\u003c\/li\u003e\n\u003cli\u003eIndustrial substation main incoming protection\u003c\/li\u003e\n\u003cli\u003eCritical infrastructure and data centre main MCCB\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's the difference between an MCB and an MCCB?\u003c\/strong\u003e\u003cbr\u003eAn MCB (miniature circuit breaker) is typically rated up to 100A with a fixed, non-adjustable trip and lower breaking capacity, used for final circuits. An MCCB (moulded case circuit breaker) is built for higher currents and fault levels, and is used for main incomers, sub-mains, and feeder protection where an MCB's rating or breaking capacity would be insufficient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen do I need an MCCB instead of an MCB?\u003c\/strong\u003e\u003cbr\u003eUse an MCCB where the prospective fault current or load current exceeds what an MCB is rated to handle safely — typically at the main incomer or major sub-main level of a commercial or industrial distribution board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many poles do I need?\u003c\/strong\u003e\u003cbr\u003eThis is a 3-pole device, sized for the corresponding single or three-phase supply arrangement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this MCCB have an adjustable trip setting?\u003c\/strong\u003e\u003cbr\u003eCheck the specific trip unit type in the Technical Specifications table above — thermal-magnetic MCCBs may have a fixed or adjustable trip range depending on the model; an electronic trip unit typically offers configurable protection curves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I install this myself?\u003c\/strong\u003e\u003cbr\u003eNo. MCCBs are installed in distribution boards and panels by a licensed electrician, in line with UAE wiring regulations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44140750635107,"sku":"1SDA100349R1","price":1100.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/6570\/1475\/files\/9IBA261444_400x400_6f916da6-6837-46a9-8246-351dc624e4f7.png?v=1786966405","url":"https:\/\/www.deluxeuae.com\/products\/abb-mccb-xt5n-400-tma-400-4000-3-pole-50-c","provider":"Deluxe Electricals","version":"1.0","type":"link"}