{"product_id":"onesto-din-rail-40a-3ka-circuit-breaker","title":"ONESTO DIN RAIL 40A 3KA 1P CIRCUIT BREAKER","description":"\u003cp data-start=\"200\" data-end=\"559\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"204\" data-end=\"246\"\u003eOnesto 40A 1P 3kA Mini Circuit Breaker\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to provide reliable protection for your electrical circuits against overloads and short circuits. Ideal for residential, light commercial, and higher-load applications, this single-pole breaker is perfect for heavier socket circuits, larger appliances, lighting, and general-purpose power circuits.\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"1033\"\u003eWith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"568\" data-end=\"593\"\u003erated current of 40 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"600\" data-end=\"629\"\u003ebreaking capacity of 3 kA\u003c\/strong\u003e, it safely interrupts overloads and short-circuit events, protecting wiring and connected devices from damage. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"745\" data-end=\"766\"\u003eDIN-rail mounting\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows for quick and secure installation in standard distribution boards, and the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"849\" data-end=\"865\"\u003emanual reset\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeature makes restoring power simple after a trip. Built to meet international safety standards, the Onesto 40A MCB ensures consistent performance and peace of mind.\u003c\/p\u003e\n\u003cul data-start=\"218\" data-end=\"1840\"\u003e\n\u003cli data-start=\"278\" data-end=\"379\"\u003e\n\u003cp data-start=\"280\" data-end=\"379\"\u003e\u003cstrong data-start=\"280\" data-end=\"289\"\u003eType:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMiniature Circuit Breaker (MCB), Single‑Pole (1P)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"380\" data-end=\"588\"\u003e\n\u003cp data-start=\"382\" data-end=\"588\"\u003e\u003cstrong data-start=\"382\" data-end=\"405\"\u003eRated Current (In):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e40 Amps — suitable for medium‑to‑higher‑load single‑phase circuits (e.g. heavier power sockets, larger appliances, light‑industrial circuits).\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"589\" data-end=\"749\"\u003e\n\u003cp data-start=\"591\" data-end=\"749\"\u003e\u003cstrong data-start=\"591\" data-end=\"625\"\u003eBreaking Capacity (Icu \/ Ics):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 kA — designed to safely interrupt overload or short‑circuit current up to 3000 A.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"933\"\u003e\n\u003cp data-start=\"752\" data-end=\"933\"\u003e\u003cstrong data-start=\"752\" data-end=\"787\"\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e240 V \/ 415 V AC (single‑phase supply) — compatible with standard domestic and commercial supply systems.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"934\" data-end=\"1053\"\u003e\n\u003cp data-start=\"936\" data-end=\"1053\"\u003e\u003cstrong data-start=\"936\" data-end=\"959\"\u003eTripping Mechanism:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThermo‑magnetic (overload + short‑circuit protection)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1054\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1056\" data-end=\"1287\"\u003e\u003cstrong data-start=\"1056\" data-end=\"1092\"\u003eTripping Curve \/ Characteristic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically “C‑curve” (or B\/C depending on stock) for general‑purpose circuits — giving a balance between sensitivity and ability to handle inrush currents.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1317\"\u003eMounting \/ Form Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDIN‑rail (standard 35 mm) — easy installation in standard distribution boards \/ breaker panels.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1454\" data-end=\"1633\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1633\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1480\"\u003eProtection Provided:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOverload protection \u0026amp; short‑circuit protection — safeguards wiring and connected appliances\/devices from faults.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1634\" data-end=\"1840\"\u003e\n\u003cp data-start=\"1636\" data-end=\"1840\"\u003e\u003cstrong data-start=\"1636\" data-end=\"1653\"\u003eApplications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eResidential wiring (heavy socket circuits, larger appliances), light‑commercial installations, general power circuits requiring 40 A protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ONESTO","offers":[{"title":"Default Title","offer_id":48114891194597,"sku":"KC3E\/140A","price":45.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/7191\/6261\/files\/ONESTO1P6KA_600x600_61f58647-2d7e-4ead-a1d8-de26f8e0a092.webp?v=1764751612","url":"https:\/\/cajeeslighting.co.za\/products\/onesto-din-rail-40a-3ka-circuit-breaker","provider":"Cajees Lighting and Electrical","version":"1.0","type":"link"}