{"product_id":"abb-xt3n-250-tmd-250-2500-3-pole-mccb-fixed","title":"ABB MCCB XT3N 250 TMD 200-2000 3p FF","description":"\u003ch2\u003eABB Tmax XT3N 250 3-Pole Moulded Case Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eThe XT3N 250 TMD is a fixed, three-pole moulded case circuit breaker from ABB's Tmax XT range, fitted with front terminals and a TMD thermomagnetic release offering an adjustable current setting range of 175-250A. Rated at 690V AC with a short-circuit performance level N, it provides robust protection for main distribution and sub-main applications in commercial and industrial UAE facilities, backed by a wide range of ABB accessories for customisation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-pole fixed MCCB rated at 250A with adjustable TMD thermomagnetic release (175-250A setting range)\u003c\/li\u003e\n  \u003cli\u003eRated ultimate breaking capacity (Icu) of 36kA at 380-440V AC, suitable for demanding commercial and industrial fault levels\u003c\/li\u003e\n  \u003cli\u003eFront terminal bolt-type connections rated for busbar cross-sections of 85-192 mm²\u003c\/li\u003e\n  \u003cli\u003eHigh mechanical durability of 25,000 cycles and electrical durability of 8,000 cycles for long service life\u003c\/li\u003e\n  \u003cli\u003eGenuine ABB quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \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\u003eXT3N 250 TMD 250-2500 3p F F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e3P\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Current (In)\u003c\/td\u003e\n\u003ctd\u003e250A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSetting Range (Thermomagnetic)\u003c\/td\u003e\n\u003ctd\u003e175-250A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRelease Type\u003c\/td\u003e\n\u003ctd\u003eTMD (Thermomagnetic)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Instantaneous Short-Circuit Setting (Ii)\u003c\/td\u003e\n\u003ctd\u003e2500A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Operational Voltage\u003c\/td\u003e\n\u003ctd\u003e690V AC \/ 500V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Insulation Voltage (Ui)\u003c\/td\u003e\n\u003ctd\u003e800V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Impulse Withstand Voltage (Uimp)\u003c\/td\u003e\n\u003ctd\u003e8 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Ultimate Breaking Capacity (Icu)\u003c\/td\u003e\n\u003ctd\u003e50kA (220-240V) \/ 36kA (380-440V) \/ 5kA (690V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTerminal Connection Type\u003c\/td\u003e\n\u003ctd\u003eFront, Bolt Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eFixed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent Type\u003c\/td\u003e\n\u003ctd\u003eAC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMain and sub-main distribution board protection in commercial and industrial UAE buildings\u003c\/li\u003e\n  \u003cli\u003eTransformer and generator protection requiring adjustable thermomagnetic settings\u003c\/li\u003e\n  \u003cli\u003ePower distribution circuit protection in panel builder switchboard assemblies\u003c\/li\u003e\n  \u003cli\u003eMotor and feeder circuit protection where a compact, fixed 250A MCCB is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\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\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":44346921517155,"sku":"1SDA068058R1","price":759.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/6570\/1475\/files\/9IBA255129_400x400_37ff7a0c-228a-4384-a57c-808ee7eb6678.png?v=1787498883","url":"https:\/\/www.deluxeuae.com\/products\/abb-xt3n-250-tmd-250-2500-3-pole-mccb-fixed","provider":"Deluxe Electricals","version":"1.0","type":"link"}