{"product_id":"onesto-din-rail-50a-3ka-3p-circuit-breaker","title":"ONESTO DIN RAIL 50A 3KA 3P CIRCUIT BREAKER","description":"\u003cp data-start=\"2250\" data-end=\"2694\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2254\" data-end=\"2298\"\u003eOnesto 50 A 3P 3 kA Mini Circuit Breaker\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a heavy‑duty, triple‑pole protective device designed for three‑phase or multi‑phase electrical systems requiring robust current handling and reliable fault protection. With a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2477\" data-end=\"2501\"\u003e50 A rating per pole\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2508\" data-end=\"2534\"\u003e3 kA breaking capacity\u003c\/strong\u003e, this breaker ensures that overloads or short‑circuit events are safely interrupted — protecting wiring, equipment and connected devices from potential damage.\u003c\/p\u003e\n\u003cp data-start=\"2696\" data-end=\"3171\"\u003eIts\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2700\" data-end=\"2724\"\u003e3‑pole configuration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edisconnects all three live conductors at once, providing complete circuit isolation — an essential safety feature when dealing with three‑phase supplies or multi‑phase loads. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2904\" data-end=\"2943\"\u003ethermal‑magnetic tripping mechanism\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides dependable protection against overloads and faults, while the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3015\" data-end=\"3041\"\u003eC‑curve characteristic\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003egives it the flexibility to handle both resistive and inductive loads (such as motors or heavy machinery) without nuisance trips.\u003c\/p\u003e\n\u003cul data-start=\"241\" data-end=\"2195\"\u003e\n\u003cli data-start=\"301\" data-end=\"402\"\u003e\n\u003cp data-start=\"303\" data-end=\"402\"\u003e\u003cstrong data-start=\"303\" data-end=\"312\"\u003eType:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMiniature Circuit Breaker (MCB), Triple‑Pole (3P)\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=\"403\" data-end=\"582\"\u003e\n\u003cp data-start=\"405\" data-end=\"582\"\u003e\u003cstrong data-start=\"405\" data-end=\"428\"\u003eRated Current (In):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50 Amps (per pole) — ideal for heavier 3‑phase circuits or multi‑phase loads requiring 50 A protection per phase.\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=\"583\" data-end=\"762\"\u003e\n\u003cp data-start=\"585\" data-end=\"762\"\u003e\u003cstrong data-start=\"585\" data-end=\"621\"\u003eNumber of Poles \/ Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3‑pole — disconnects all three live conductors simultaneously, providing full three‑phase isolation.\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=\"763\" data-end=\"920\"\u003e\n\u003cp data-start=\"765\" data-end=\"920\"\u003e\u003cstrong data-start=\"765\" data-end=\"799\"\u003eBreaking Capacity (Icu \/ Ics):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 kA — safely interrupts overloads or short‑circuit fault currents 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=\"921\" data-end=\"1119\"\u003e\n\u003cp data-start=\"923\" data-end=\"1119\"\u003e\u003cstrong data-start=\"923\" data-end=\"958\"\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e415 V AC (standard for 3‑phase supply) — suitable for residential, commercial, or light‑industrial three‑phase networks.\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=\"1120\" data-end=\"1278\"\u003e\n\u003cp data-start=\"1122\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1145\"\u003eTripping Mechanism:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThermal‑magnetic (time‑current protection) — provides overload and 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=\"1279\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1281\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1281\" data-end=\"1317\"\u003eTripping Curve \/ Characteristic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommonly “C‑curve” (or similar, depending on batch) — good balance between sensitivity to overloads and tolerance for inrush currents (e.g. motors, inductive loads).\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=\"1524\" data-end=\"1711\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1711\"\u003e\u003cstrong data-start=\"1526\" data-end=\"1553\"\u003eMounting \/ Form Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDIN‑rail mount (standard 35 mm rail) — easy installation into standard 3‑phase distribution boards or 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=\"1712\" data-end=\"1911\"\u003e\n\u003cp data-start=\"1714\" data-end=\"1911\"\u003e\u003cstrong data-start=\"1714\" data-end=\"1738\"\u003eProtection Provided:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOverload protection \u0026amp; short‑circuit protection — safeguards wiring, wiring infrastructure, and connected equipment against 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=\"1912\" data-end=\"2195\"\u003e\n\u003cp data-start=\"1914\" data-end=\"2195\"\u003e\u003cstrong data-start=\"1914\" data-end=\"1939\"\u003eTypical Applications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3‑phase circuits in residential, commercial, or light‑industrial settings; power supply lines for motors, machinery, heavy‑duty outlets, sub‑panels or general 3‑phase equipment requiring 50 A per phase protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ONESTO","offers":[{"title":"Default Title","offer_id":48115095240933,"sku":"KC3E\/350A","price":169.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/7191\/6261\/files\/H1d8e97ddee024b3c84fa30852de11ccev_e3050e78-d126-4470-ae57-508c71d7de58.avif?v=1764758284","url":"https:\/\/cajeeslighting.co.za\/products\/onesto-din-rail-50a-3ka-3p-circuit-breaker","provider":"Cajees Lighting and Electrical","version":"1.0","type":"link"}