{"product_id":"chint-nb1-63d3p40-triple-pole-type-d-mcb-40a-6ka","title":"Chint NB1-63D3P40 Triple Pole Type D MCB 40A 6kA","description":"\u003cp data-start=\"39\" data-end=\"411\"\u003eThe \u003cstrong data-start=\"43\" data-end=\"58\"\u003eNB1-63D3P40\u003c\/strong\u003e is a durable and high-capacity \u003cstrong data-start=\"90\" data-end=\"125\"\u003eminiature circuit breaker (MCB)\u003c\/strong\u003e designed to protect electrical circuits against \u003cstrong data-start=\"174\" data-end=\"211\"\u003eoverload and short-circuit faults\u003c\/strong\u003e. As part of the NB1-63 series, it is widely used in residential, commercial, and light industrial three-phase power distribution systems where reliable protection of higher-load circuits is required.\u003c\/p\u003e\n\u003cp data-start=\"413\" data-end=\"783\"\u003eThis model features a \u003cstrong data-start=\"435\" data-end=\"456\"\u003e40A rated current\u003c\/strong\u003e with a \u003cstrong data-start=\"464\" data-end=\"489\"\u003e6kA breaking capacity\u003c\/strong\u003e, ensuring fast interruption of fault currents to safeguard wiring, equipment, and installations. Its \u003cstrong data-start=\"591\" data-end=\"616\"\u003eType D tripping curve\u003c\/strong\u003e is engineered for circuits with very high inrush currents, making it ideal for heavy inductive loads such as motors, transformers, compressors, and welding equipment.\u003c\/p\u003e\n\u003cp data-start=\"785\" data-end=\"1096\"\u003eWith a \u003cstrong data-start=\"792\" data-end=\"821\"\u003e3-pole (3P) configuration\u003c\/strong\u003e, the NB1-63D3P40 ensures simultaneous disconnection of all three phases, providing balanced and secure protection in three-phase systems. It is designed for \u003cstrong data-start=\"979\" data-end=\"1000\"\u003eDIN rail mounting\u003c\/strong\u003e, allowing quick, safe, and standardized installation in distribution boards and control panels.\u003c\/p\u003e\n\u003cp data-start=\"1098\" data-end=\"1115\"\u003e\u003cstrong data-start=\"1098\" data-end=\"1115\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1116\" data-end=\"1383\"\u003e\n\u003cli data-section-id=\"8llv4b\" data-start=\"1116\" data-end=\"1138\"\u003eModel: NB1-63D3P40\u003c\/li\u003e\n\u003cli data-section-id=\"xxp65k\" data-start=\"1139\" data-end=\"1180\"\u003eType: Miniature Circuit Breaker (MCB)\u003c\/li\u003e\n\u003cli data-section-id=\"4qi9wt\" data-start=\"1181\" data-end=\"1207\"\u003ePoles: 3P (Three Pole)\u003c\/li\u003e\n\u003cli data-section-id=\"10jg9nc\" data-start=\"1208\" data-end=\"1230\"\u003eRated Current: 40A\u003c\/li\u003e\n\u003cli data-section-id=\"yig7j9\" data-start=\"1231\" data-end=\"1257\"\u003eBreaking Capacity: 6kA\u003c\/li\u003e\n\u003cli data-section-id=\"ergjy8\" data-start=\"1258\" data-end=\"1295\"\u003eTripping Curve: Type D (10–20 In)\u003c\/li\u003e\n\u003cli data-section-id=\"18y3xiu\" data-start=\"1296\" data-end=\"1331\"\u003eMounting: DIN rail installation\u003c\/li\u003e\n\u003cli data-section-id=\"i989lo\" data-start=\"1332\" data-end=\"1383\"\u003eFunction: Overload and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BMS Electrical","offers":[{"title":"Default Title","offer_id":56991660900729,"sku":"NB1-63D3P40","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6388\/1337\/files\/NB1-63-3P.jpg?v=1780934043","url":"https:\/\/bmselectricalsupplies.com\/products\/chint-nb1-63d3p40-triple-pole-type-d-mcb-40a-6ka","provider":"Zicam Electrical Supplies","version":"1.0","type":"link"}