{"product_id":"abb-xt3n-250-tmd-3-pole-250a-36ka-mccb","title":"ABB MCCB XT3N 250 TMD 250-2500 3p F F","description":"\u003ch2\u003eABB XT3N 250 TMD 3-Pole 250A Moulded Case Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eThe ABB XT3N 250 TMD is a fixed three-pole moulded case circuit breaker from the SACE Tmax XT series, fitted with front terminals and a thermomagnetic (TMD) release adjustable across 175-250A. Rated for 690V AC operation with a 36kA breaking capacity at 415V, it is well suited for main and distribution protection duties in UAE commercial and industrial low voltage panels.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable thermomagnetic TMD release with rated current setting range of 175-250A for flexible protection coordination\u003c\/li\u003e\n  \u003cli\u003eRated ultimate short-circuit breaking capacity (Icu) of 36kA at 415V AC and 50kA at 220-240V AC, suitable for high fault-level UAE installations\u003c\/li\u003e\n  \u003cli\u003eFront terminal bolt connection with fixed mounting, designed for compact panel and switchboard installation\u003c\/li\u003e\n  \u003cli\u003eAC\/DC current type rated up to 690V AC or 500V DC, supporting a wide range of distribution and industrial applications\u003c\/li\u003e\n  \u003cli\u003eGenuine ABB quality — manufactured to IEC 60947-2 standard\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\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\u003eBreaking Capacity (Icu at 415V AC)\u003c\/td\u003e\n\u003ctd\u003e36kA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBreaking Capacity (Icu at 690V AC)\u003c\/td\u003e\n\u003ctd\u003e5kA\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\u003e8kV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd\u003eFront, Bolt type\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\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eIEC 60947-2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\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 incomer protection in low voltage distribution boards for commercial buildings\u003c\/li\u003e\n  \u003cli\u003eFeeder and sub-distribution protection in industrial panels and switchboards\u003c\/li\u003e\n  \u003cli\u003eMotor and installation protection in facilities with high fault-current levels\u003c\/li\u003e\n  \u003cli\u003ePanel builder projects requiring adjustable thermomagnetic protection settings\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":44346934591587,"sku":"1SDA068059R1","price":759.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/6570\/1475\/files\/9IBA255129_400x400_1.png?v=1787498883","url":"https:\/\/www.deluxeuae.com\/products\/abb-xt3n-250-tmd-3-pole-250a-36ka-mccb","provider":"Deluxe Electricals","version":"1.0","type":"link"}