{"product_id":"miniature-circuit-breaker-mcb-nb1-63-dc-4p-32a-1000v","title":"CHINT Two Pole DC Circuit Breaker","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cb\u003eCHINT NB1-63DC DC Circuit Breaker\u003c\/b\u003e\u003cspan\u003e provides dependable overload and short-circuit protection for DC systems up to 1000 V and 63 A. Compact and efficient, it is ideal for photovoltaic, energy storage, and communication power applications. With 6 kA breaking capacity and C-curve tripping characteristics, the NB1-63DC ensures fast, stable protection. Built to IEC\/EN 60947-2 and RoHS standards, it features dual connection capability for cables or busbars, a long mechanical life, and easy DIN-rail installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"unifiedTitle\"\u003eProduct Information\u003c\/h2\u003e\n\u003cul class=\"nav nav-tabs ScorllLeftBox\"\u003e\n\u003cli data-section=\"Overview\" class=\"ScorllLeftItem active ScorllLeftItemActive\" data-offset-left=\"148.5\"\u003e\u003ca data-toggle=\"tab\" href=\"https:\/\/www.chintglobal.com\/global\/en\/products\/low-voltage\/iec\/final-power-distribution\/nb1-63dc.html#menu1\"\u003eOverview\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section=\"Catalog\" class=\"ScorllLeftItem\" data-offset-left=\"296.46875\"\u003e\u003ca data-toggle=\"tab\" href=\"https:\/\/www.chintglobal.com\/global\/en\/products\/low-voltage\/iec\/final-power-distribution\/nb1-63dc.html#menu2\"\u003eCatalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section=\"Manual\" class=\"ScorllLeftItem\" data-offset-left=\"429.171875\"\u003e\u003ca data-toggle=\"tab\" href=\"https:\/\/www.chintglobal.com\/global\/en\/products\/low-voltage\/iec\/final-power-distribution\/nb1-63dc.html#menu3\"\u003eManual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section=\"Certificate\" class=\"ScorllLeftItem\" data-offset-left=\"559.078125\"\u003e\u003ca data-toggle=\"tab\" href=\"https:\/\/www.chintglobal.com\/global\/en\/products\/low-voltage\/iec\/final-power-distribution\/nb1-63dc.html#menu4\"\u003eCertificate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section=\"Drawing\" class=\"ScorllLeftItem\" data-offset-left=\"715.828125\"\u003e\u003ca data-toggle=\"tab\" href=\"https:\/\/www.chintglobal.com\/global\/en\/products\/low-voltage\/iec\/final-power-distribution\/nb1-63dc.html#menu5\"\u003eDrawing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"tab-content\"\u003e\n\u003cdiv id=\"menu1\" class=\"tab-pane fade in active\"\u003e\n\u003cdiv class=\"tab-line-text\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eStandards \u0026amp; Certifications\u003c\/b\u003e: IEC\/EN 60947-2 | CCC | CE | CB | TÜV | RoHS \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRated Voltage (Ue)\u003c\/b\u003e: DC 250 V (1P), DC 500 V (2P), DC 1000 V (4P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRated Current (In)\u003c\/b\u003e: 1 A – 63 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePoles\u003c\/b\u003e: 1P \/ 2P \/ 4P\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTripping Curve\u003c\/b\u003e: Type C (7–10 × In)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRated Short-Circuit Breaking Capacity (Icu)\u003c\/b\u003e: 6 kA\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRated Impulse Withstand Voltage (Uimp)\u003c\/b\u003e: 4 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Temperature\u003c\/b\u003e: −35 °C ~ +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAltitude\u003c\/b\u003e: ≤ 2000 m (derating above 2000 m)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMechanical Life\u003c\/b\u003e: 20 000 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical Life\u003c\/b\u003e: 1 500 operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnection Options\u003c\/b\u003e: Lead wire and busbar compatible (dual connection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTightening Torque\u003c\/b\u003e: 2 N·m\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConductor Capacity\u003c\/b\u003e: up to 25 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstallation\u003c\/b\u003e: DIN rail mounting, plug-in structure\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Degree\u003c\/b\u003e: IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Consumption (per pole)\u003c\/b\u003e: up to 16 W (at In ≤ 63 A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: DC distribution systems, PV arrays, energy storage units, EV chargers, and telecom power networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Chint","offers":[{"title":"25 Ampere","offer_id":45622478536889,"sku":null,"price":2550.0,"currency_code":"PKR","in_stock":true},{"title":"63 Ampere","offer_id":45622478569657,"sku":null,"price":2550.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6937\/2345\/files\/NB1-63DCC63A2P-MCB.png?v=1764698989","url":"https:\/\/smartelectric.pk\/products\/miniature-circuit-breaker-mcb-nb1-63-dc-4p-32a-1000v","provider":"Smart Electric","version":"1.0","type":"link"}