{"product_id":"chint-1p-2p-4p-dc250v-dc500v-dc1000v-nb1-63dc-solar-energy-photovoltaic-dc","title":"Chint NB1-63DC DC MCB (1A-63A)","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003eChint NB1-63DC MCB 1-63A 1P\/2P\/4P, DC250V\/500V\/1000V, Solar PV System Overload \u0026amp; Short-Circuit Protection\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-spm-anchor-id=\"a2g0o.detail.1000023.i0.20956lG96lG93C\"\u003e??\u003c\/p\u003e\n\u003ch3\u003e1. ???????????? (Overview)\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe \u003cstrong\u003eChint NB1-63DC Series\u003c\/strong\u003e is a specialized line of DC miniature circuit breakers (MCBs) designed for photovoltaic (solar PV) systems, battery banks, and other DC power distribution applications. With pole configurations in \u003cstrong\u003e1P, 2P, and 4P\u003c\/strong\u003e, rated currents from \u003cstrong\u003e1A to 63A\u003c\/strong\u003e, and voltage ratings up to \u003cstrong\u003eDC1000V\u003c\/strong\u003e, these breakers provide reliable overload and short-circuit protection for DC circuits, ensuring safety and stability in solar installations and industrial DC power systems.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e2. ??????????€? (Key Features)\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Pole \u0026amp; Current Range\u003c\/strong\u003e: Available in 1P, 2P, and 4P configurations with rated currents spanning 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A to match diverse PV system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh DC Voltage Ratings\u003c\/strong\u003e: Supports DC250V, DC500V, and DC1000V operation, ideal for solar string and combiner box applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Protection Mechanism\u003c\/strong\u003e: Combines thermal overload protection (for slow current spikes) and magnetic short-circuit protection (for rapid fault clearing) to safeguard PV panels, inverters, and wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIEC\/GB Certified\u003c\/strong\u003e: Compliant with IEC 60947-2 and GB 10963.1 standards, meeting global safety benchmarks for DC circuit breakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact DIN Rail Design\u003c\/strong\u003e: Standard modular form factor with tool-free DIN rail mounting, simplifying installation in solar combiner boxes and control panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Breaking Capacity\u003c\/strong\u003e: With high short-circuit interrupting ratings, suitable for the high fault currents common in large-scale solar PV systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: Flame-retardant housing and high-grade internal components ensure reliable performance in harsh outdoor and industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3. ???????????? (Model Decoding)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"left\"\u003eCore Interpretation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003ccode\u003eNB1-63DC\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eChint NB1-63 Series DC Miniature Circuit Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003ccode\u003e1P\/2P\/4P\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eNumber of poles (1, 2, or 4 poles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003ccode\u003e1A-63A\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRated operational current (In)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003ccode\u003eDC250V\/500V\/1000V\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRated DC operational voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e??\u003c\/p\u003e\n\u003ch3\u003e4. ???????????? (Applications)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSolar photovoltaic (PV) systems (string combiner boxes, solar panels)\u003c\/li\u003e\n\u003cli\u003eBattery storage systems and off-grid power installations\u003c\/li\u003e\n\u003cli\u003eDC power distribution in industrial and commercial facilities\u003c\/li\u003e\n\u003cli\u003eTelecommunication base station power supply systems\u003c\/li\u003e\n\u003cli\u003eElectric vehicle charging stations and DC charging piles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDATA SHEET\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 333.094px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003eAttribute\u003c\/th\u003e\n\u003cth align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eChint Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eNB1-63DC Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eDC Miniature Circuit Breaker (MCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 39.1875px;\"\u003e\u003cstrong\u003ePole Configurations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 39.1875px;\"\u003e1P, 2P, 4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eRated Current (In)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003e1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eRated DC Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003e250V, 500V, 1000V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 39.1875px;\"\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 39.1875px;\"\u003eOverload Protection, Short-Circuit Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eBreaking Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003e6kA \/ 10kA (Model-Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eDIN Rail Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 39.1875px;\"\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 39.1875px;\"\u003eIEC 60947-2, GB 10963.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 19.5938px;\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 19.5938px;\"\u003eCE, CCC, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd align=\"left\" style=\"width: 22.687%; height: 39.1875px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\" style=\"width: 74.4559%; height: 39.1875px;\"\u003eSolar PV Systems, Battery Storage, DC Power Distribution, Telecommunication, EV Charging 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