{"product_id":"siemens-miniature-circuit-breaker-c-3-pole-400v-10ka-2a-70mm","title":"Siemens Miniature circuit breaker, C, 3-pole, 400V, 10kA, 2A, 70mm","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 5SY4302-7 is a SENTRON 5SY4 miniature circuit breaker (MCB), 3-pole configuration, designed for reliable over-current and short-circuit protection in residential, commercial, or light-industrial electrical installations. It is compact, DIN-rail mountable, and suitable for protecting three-phase circuits with low current demand.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole miniature circuit breaker (3P)\u003c\/li\u003e\n\u003cli\u003eRated current: 2 A\u003c\/li\u003e\n\u003cli\u003eRated AC voltage: 400 V AC (230 V single-phase supply possible)\u003c\/li\u003e\n\u003cli\u003eTripping characteristic: Class C (suitable for general circuits and light inductive loads)\u003c\/li\u003e\n\u003cli\u003eBreaking capacity: 10 kA per EN 60898 \/ up to 35 kA per IEC 60947-2\u003c\/li\u003e\n\u003cli\u003eCompact 3-module width for DIN-rail installation\u003c\/li\u003e\n\u003cli\u003eCombined top and bottom terminals — flexible wiring for conductors\u003c\/li\u003e\n\u003cli\u003eTouch-protected, halogen-free, sealable and silicon-free design\u003c\/li\u003e\n\u003cli\u003eScrew-type terminals for solid, stranded or fine-stranded conductors (with core-end sleeves)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 5SY4302-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SENTRON 5SY4 miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3 (3P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e 400 V AC (230 V single-phase possible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 440 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripping Characteristic:\u003c\/strong\u003e Class C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Capacity (Icn \/ Icu):\u003c\/strong\u003e 10 kA (EN 60898) \/ up to 35 kA (IEC 60947-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Breaking Capacity:\u003c\/strong\u003e 15 kA (per IEC 60947-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Modules (Width):\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN-rail (35 mm) quick-assembly system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Terminals:\u003c\/strong\u003e Screw terminals, conductor cross-section 0.75 … 35 mm² (solid or stranded); finely stranded with end-sleeves up to 25 mm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e ~10,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss per Pole (at rated current):\u003c\/strong\u003e ~1.2 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class (with conductors connected):\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Range:\u003c\/strong\u003e –40 °C … +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight (approx.):\u003c\/strong\u003e 0.466 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConforms to IEC \/ EN 60898-1 for miniature circuit breakers\u003c\/li\u003e\n\u003cli\u003eAlso complies with IEC \/ EN 60947-2 for industrial switching applications\u003c\/li\u003e\n\u003cli\u003eHalogen-free, touch-protected, sealable and silicon-free housing per SENTRON 5SY4 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 5SY4302-7 is ideal for protection of low-current three-phase circuits in distribution boards, control panels, and light industrial installations. Typical applications include control circuits, small motors, lighting or socket-outlet circuits, and general purpose protection where compact MCBs are required. Its 3-pole configuration makes it suitable for three-phase systems and ensures safety even in balanced or unbalanced loads.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775067664448,"sku":"5SY4302-7","price":1135.05,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/5SY4302-7.jpg?v=1764163499","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-miniature-circuit-breaker-c-3-pole-400v-10ka-2a-70mm","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}