{"product_id":"chint-20a-b-curve-rcbo-30ma-1-pole-neutral","title":"Chint 20A B Curve RCBO 30mA 1 Pole + Neutral","description":"\u003cp data-start=\"53\" data-end=\"536\"\u003eThe \u003cstrong data-start=\"57\" data-end=\"75\"\u003eCHINT NB1L-B20\u003c\/strong\u003e is a compact and reliable \u003cstrong data-start=\"102\" data-end=\"173\"\u003eResidual Current Circuit Breaker with Overcurrent Protection (RCBO)\u003c\/strong\u003e designed to provide dual-layer electrical safety by combining the functions of an \u003cstrong data-start=\"256\" data-end=\"291\"\u003eMCB (Miniature Circuit Breaker)\u003c\/strong\u003e and an \u003cstrong data-start=\"299\" data-end=\"332\"\u003eRCD (Residual Current Device)\u003c\/strong\u003e in a single modular unit. It is engineered to protect electrical installations from \u003cstrong data-start=\"417\" data-end=\"479\"\u003eoverload, short-circuit faults, and earth leakage currents\u003c\/strong\u003e, ensuring enhanced safety for both people and equipment.\u003c\/p\u003e\n\u003cp data-start=\"538\" data-end=\"937\"\u003ePart of CHINT’s widely used NB1L series, the \u003cstrong data-start=\"583\" data-end=\"611\"\u003eB20 variant (20A rating)\u003c\/strong\u003e is ideal for standard final circuits such as lighting, socket outlets, and light-duty appliances in residential, commercial, and small industrial environments. Its compact design allows for efficient use of space in distribution boards, making it especially suitable for modern consumer units where DIN rail space is limited.\u003c\/p\u003e\n\u003cp data-start=\"939\" data-end=\"1310\"\u003eThe device features a \u003cstrong data-start=\"961\" data-end=\"986\"\u003eType B tripping curve\u003c\/strong\u003e, which provides fast disconnection for circuits with low inrush current, making it well-suited for general-purpose electrical loads. With a typical \u003cstrong data-start=\"1135\" data-end=\"1172\"\u003e30mA residual current sensitivity\u003c\/strong\u003e, it offers additional protection against electric shock and significantly reduces the risk of electrical fire caused by leakage currents.\u003c\/p\u003e\n\u003cp data-start=\"1312\" data-end=\"1601\"\u003eDesigned according to international safety standards (IEC 61009-1), the NB1L-B20 ensures dependable performance and long service life even under demanding operating conditions. Its thermo-magnetic release mechanism enables precise fault detection and rapid interruption of faulty circuits.\u003c\/p\u003e","brand":"BMS Electrical","offers":[{"title":"Default Title","offer_id":56992176636281,"sku":"NB1L-B20","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6388\/1337\/files\/NB1L-40.jpg?v=1779436475","url":"https:\/\/bmselectricalsupplies.com\/products\/chint-20a-b-curve-rcbo-30ma-1-pole-neutral","provider":"Zicam Electrical Supplies","version":"1.0","type":"link"}